Bearings - Single Row Ball - Unflanged– Page19 – Miniature Bearings Australia - MBA Minibearings

ID (d)	OD (D)	Width (B)	Inner Ring Width (Bn)	Flange Diameter (DF)	Flange Width (BF)
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.079 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision Special Low Torque design
Part Number: SMR84-MC3-JP6-AF12 (100 Pcs) Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $395.41 AUD Regular price ~~$474.49 AUD~~ Sale price $395.41 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d)	OD (D)	Width (B)	Inner Ring Width (Bn)	Indicative Image
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.079 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision Special Low Torque design
Part Number: SMR84-MC3-JP6-AF12 (100 Pcs) Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $395.41 AUD Regular price ~~$474.49 AUD~~ Sale price $395.41 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SMR84-MC3-JP6-AF12 (100 Pcs) --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Sale SMR84-MC3-JP6-AF12 (100 Pcs) --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $395.41 AUD Regular price ~~$474.49 AUD~~ Sale price $395.41 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84-MC3-AF12 Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing 166 Available Now \| Further orders can be expected around Mon, Dec 01, 2025 Regular price $4.59 AUD Regular price Sale price $4.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 166 Available Now. Backorder if more than 166.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84-MC3-AF12 Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing 166 Available Now \| Further orders can be expected around Mon, Dec 01, 2025 Regular price $4.59 AUD Regular price Sale price $4.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 166 Available Now. Backorder if more than 166.
SMR84-MC3-AF12 --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing SMR84-MC3-AF12 --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $4.59 AUD Regular price Sale price $4.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 166 Available Now
ID (d) 4.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.040} (Equiv. 0.079 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SMR84-MC4-GR5-AF12 (100 Pcs) Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jan 20, 2026 Regular price $1,083.59 AUD Regular price ~~$1,300.31 AUD~~ Sale price $1,083.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.040} (Equiv. 0.079 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SMR84-MC4-GR5-AF12 (100 Pcs) Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Jan 20, 2026 Regular price $1,083.59 AUD Regular price ~~$1,300.31 AUD~~ Sale price $1,083.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SMR84-MC4-GR5-AF12 (100 Pcs) --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Sale SMR84-MC4-GR5-AF12 (100 Pcs) --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $1,083.59 AUD Regular price ~~$1,300.31 AUD~~ Sale price $1,083.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84-MC3-AF12 (50 Pcs) Single Row Ball Bearings - 4x8x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $268.59 AUD Regular price ~~$322.31 AUD~~ Sale price $268.59 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84-MC3-AF12 (50 Pcs) Single Row Ball Bearings - 4x8x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $268.59 AUD Regular price ~~$322.31 AUD~~ Sale price $268.59 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
MR84-MC3-AF12 (50 Pcs) --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR84-MC3-AF12 (50 Pcs) --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $268.59 AUD Regular price ~~$322.31 AUD~~ Sale price $268.59 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Ceramic Silicon Nitride - PTFE Cage Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: CSN-MR84-TF-DRY (100 Pcs) Single Row Ball Bearings - 4x8x2 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Nov 25, 2025 Regular price $2,521.14 AUD Regular price ~~$3,025.36 AUD~~ Sale price $2,521.14 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Ceramic Silicon Nitride - PTFE Cage Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: CSN-MR84-TF-DRY (100 Pcs) Single Row Ball Bearings - 4x8x2 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Nov 25, 2025 Regular price $2,521.14 AUD Regular price ~~$3,025.36 AUD~~ Sale price $2,521.14 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
CSN-MR84-TF-DRY (100 Pcs) --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage Bearing Sale CSN-MR84-TF-DRY (100 Pcs) --- Single Row Ball Bearings - 4x8x2 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage Bearing Regular price $2,521.14 AUD Regular price ~~$3,025.36 AUD~~ Sale price $2,521.14 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84A-ZZ-MC3 Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing 45 Available Now \| Further orders can be expected around Tue, Nov 25, 2025 Regular price $6.86 AUD Regular price Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 45 Available Now. Backorder if more than 45.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84A-ZZ-MC3 Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing 45 Available Now \| Further orders can be expected around Tue, Nov 25, 2025 Regular price $6.86 AUD Regular price Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 45 Available Now. Backorder if more than 45.
SMR84A-ZZ-MC3 --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing SMR84A-ZZ-MC3 --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $6.86 AUD Regular price Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 45 Available Now
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84A-MC3-JP6-AF12 Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing 59 Available Now \| Further orders can be expected around Fri, Jan 16, 2026 Regular price $5.50 AUD Regular price Sale price $5.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 59 Available Now. Backorder if more than 59.
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84A-MC3-JP6-AF12 Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing 59 Available Now \| Further orders can be expected around Fri, Jan 16, 2026 Regular price $5.50 AUD Regular price Sale price $5.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 59 Available Now. Backorder if more than 59.
SMR84A-MC3-JP6-AF12 --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing SMR84A-MC3-JP6-AF12 --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $5.50 AUD Regular price Sale price $5.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 59 Available Now
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84A-ZZ-MC3-JP6 (100 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $838.77 AUD Regular price Sale price $838.77 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84A-ZZ-MC3-JP6 (100 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $838.77 AUD Regular price Sale price $838.77 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SMR84A-ZZ-MC3-JP6 (100 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing SMR84A-ZZ-MC3-JP6 (100 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $838.77 AUD Regular price Sale price $838.77 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84A-ZZ-T9H-MC3 Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing 1 Available Now \| Further orders can be expected around Tue, Nov 25, 2025 Regular price $4.05 AUD Regular price Sale price $4.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. Backorder if more than 1.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84A-ZZ-T9H-MC3 Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing 1 Available Now \| Further orders can be expected around Tue, Nov 25, 2025 Regular price $4.05 AUD Regular price Sale price $4.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. Backorder if more than 1.
MR84A-ZZ-T9H-MC3 --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing MR84A-ZZ-T9H-MC3 --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing Regular price $4.05 AUD Regular price Sale price $4.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 1 Available Now
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84A-MC3-JP6-L23 (100 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Fri, Mar 27, 2026 Regular price $419.41 AUD Regular price ~~$503.29 AUD~~ Sale price $419.41 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR84A-MC3-JP6-L23 (100 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Fri, Mar 27, 2026 Regular price $419.41 AUD Regular price ~~$503.29 AUD~~ Sale price $419.41 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SMR84A-MC3-JP6-L23 (100 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Sale SMR84A-MC3-JP6-L23 (100 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $419.41 AUD Regular price ~~$503.29 AUD~~ Sale price $419.41 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $268.86 AUD Regular price ~~$322.64 AUD~~ Sale price $268.86 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84A-ZZ-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $268.86 AUD Regular price ~~$322.64 AUD~~ Sale price $268.86 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
MR84A-ZZ-MC3-JP6 (50 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR84A-ZZ-MC3-JP6 (50 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $268.86 AUD Regular price ~~$322.64 AUD~~ Sale price $268.86 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 8.000 mm (Equiv. 0.315 in.)	Width (B) 3.000 mm (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision Ceramic Balls and shields
Part Number: MR84A-CSN-ZZS-ACO-ECO (200 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $840.68 AUD Regular price ~~$1,008.82 AUD~~ Sale price $840.68 AUD Unit price per 200 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 8.000 mm (Equiv. 0.315 in.)	Width (B) 3.000 mm (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision Ceramic Balls and shields
Part Number: MR84A-CSN-ZZS-ACO-ECO (200 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $840.68 AUD Regular price ~~$1,008.82 AUD~~ Sale price $840.68 AUD Unit price per 200 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
MR84A-CSN-ZZS-ACO-ECO (200 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing Sale MR84A-CSN-ZZS-ACO-ECO (200 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing Regular price $840.68 AUD Regular price ~~$1,008.82 AUD~~ Sale price $840.68 AUD Unit price per 200 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 8.000 mm (Equiv. 0.315 in.)	Width (B) 3.000 mm (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84A-ZZS-ECO (5 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 38 units (190 pcs) Available Now \| Further orders can be expected around Tue, Nov 25, 2025 Regular price $4.32 AUD Regular price Sale price $4.32 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 38 units (190 pcs) Available Now. Backorder if more than 38.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 8.000 mm (Equiv. 0.315 in.)	Width (B) 3.000 mm (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84A-ZZS-ECO (5 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 38 units (190 pcs) Available Now \| Further orders can be expected around Tue, Nov 25, 2025 Regular price $4.32 AUD Regular price Sale price $4.32 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 38 units (190 pcs) Available Now. Backorder if more than 38.
MR84A-ZZS-ECO (5 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing MR84A-ZZS-ECO (5 Pcs) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $4.32 AUD Regular price Sale price $4.32 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties 38 Available Now
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84A-ZZ-MC3 Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 242 Available Now \| Further orders can be expected around Mon, Dec 01, 2025 Regular price $4.14 AUD Regular price Sale price $4.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 242 Available Now. Backorder if more than 242.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 8.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.315 in.)	Width (B) 3.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR84A-ZZ-MC3 Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 242 Available Now \| Further orders can be expected around Mon, Dec 01, 2025 Regular price $4.14 AUD Regular price Sale price $4.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 242 Available Now. Backorder if more than 242.
MR84A-ZZ-MC3 --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing MR84A-ZZ-MC3 --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $4.14 AUD Regular price Sale price $4.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 242 Available Now
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 8.000 mm (Equiv. 0.315 in.)	Width (B) 3.000 mm (Equiv. 0.118 in.)		Flange Diameter (DF) 9.200	Flange Width (BF) 0.600
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Flanged - Precision Ceramic balls.
Part Number: SFMR84A-CSN-ZZS-ACO-ECO Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing 1 Available Now \| Further orders can be expected around Tue, Dec 09, 2025 Regular price $17.59 AUD Regular price ~~$44.58 AUD~~ Sale price $17.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. Backorder if more than 1.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 8.000 mm (Equiv. 0.315 in.)	Width (B) 3.000 mm (Equiv. 0.118 in.)
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls Flange Diameter (DF): 9.200 Flange Width (BF): 0.600 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Flanged - Precision Ceramic balls.
Part Number: SFMR84A-CSN-ZZS-ACO-ECO Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing 1 Available Now \| Further orders can be expected around Tue, Dec 09, 2025 Regular price $17.59 AUD Regular price ~~$44.58 AUD~~ Sale price $17.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. Backorder if more than 1.
SFMR84A-CSN-ZZS-ACO-ECO --- Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing Sale SFMR84A-CSN-ZZS-ACO-ECO --- Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing Regular price $17.59 AUD Regular price ~~$44.58 AUD~~ Sale price $17.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 1 Available Now Sale
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 8.000 mm (Equiv. 0.315 in.)	Width (B) 5.000 mm (Equiv. 0.197 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged - Precision Deleted Item. Available while stocks last. Non ISO Width
Part Number: MR84D-ZZS-ECO Single Row Ball Bearings - 4x8x5 mm Unflanged - Chrome Steel SAE 52100 Bearing 16 Available Now \| Item Discontinued - Up to 16 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 16 Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 8.000 mm (Equiv. 0.315 in.)	Width (B) 5.000 mm (Equiv. 0.197 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged - Precision Deleted Item. Available while stocks last. Non ISO Width
Part Number: MR84D-ZZS-ECO Single Row Ball Bearings - 4x8x5 mm Unflanged - Chrome Steel SAE 52100 Bearing 16 Available Now \| Item Discontinued - Up to 16 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 16 Available Now. These are priced to quit. Please contact us for a quote if you require more.
MR84D-ZZS-ECO --- Single Row Ball Bearings - 4x8x5 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR84D-ZZS-ECO --- Single Row Ball Bearings - 4x8x5 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 16 Available Now Sale
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 2.500 mm (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 684-ZZS-ECO Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 19 Available Now \| Further orders can be expected around Tue, Nov 25, 2025 Regular price $2.05 AUD Regular price Sale price $2.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 19 Available Now. Backorder if more than 19.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 2.500 mm (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 684-ZZS-ECO Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 19 Available Now \| Further orders can be expected around Tue, Nov 25, 2025 Regular price $2.05 AUD Regular price Sale price $2.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 19 Available Now. Backorder if more than 19.
684-ZZS-ECO --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 684-ZZS-ECO --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $2.05 AUD Regular price Sale price $2.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 19 Available Now
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 684-MC3-AF12 Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 101 Available Now \| Further orders can be expected around Mon, Dec 01, 2025 Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 101 Available Now. Backorder if more than 101.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 684-MC3-AF12 Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 101 Available Now \| Further orders can be expected around Mon, Dec 01, 2025 Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 101 Available Now. Backorder if more than 101.
684-MC3-AF12 --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 684-MC3-AF12 --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 101 Available Now
ID (d) 4.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.040} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S684-MC34-GR5-L23 (40 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock \| Backorder Now \| Orders can be expected around Wed, Dec 24, 2025 Regular price $1,056.86 AUD Regular price Sale price $1,056.86 AUD Unit price per 40 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.040} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S684-MC34-GR5-L23 (40 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock \| Backorder Now \| Orders can be expected around Wed, Dec 24, 2025 Regular price $1,056.86 AUD Regular price Sale price $1,056.86 AUD Unit price per 40 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684-MC34-GR5-L23 (40 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing S684-MC34-GR5-L23 (40 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Regular price $1,056.86 AUD Regular price Sale price $1,056.86 AUD Unit price per 40 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
ID (d) 4.000 mm _{+ 0.000 / - 0.004} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.040} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque Precision Grade: Abec 7 Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S684-MC34-GR7-R-L23 (68 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock \| Backorder Now \| Orders can be expected around Wed, Dec 24, 2025 Regular price $2,550.95 AUD Regular price ~~$3,061.15 AUD~~ Sale price $2,550.95 AUD Unit price per 68 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.004} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.040} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque Precision Grade: Abec 7 Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S684-MC34-GR7-R-L23 (68 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock \| Backorder Now \| Orders can be expected around Wed, Dec 24, 2025 Regular price $2,550.95 AUD Regular price ~~$3,061.15 AUD~~ Sale price $2,550.95 AUD Unit price per 68 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684-MC34-GR7-R-L23 (68 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Sale S684-MC34-GR7-R-L23 (68 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Regular price $2,550.95 AUD Regular price ~~$3,061.15 AUD~~ Sale price $2,550.95 AUD Unit price per 68 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S684-MC2-AF12 (100 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $352.14 AUD Regular price ~~$422.56 AUD~~ Sale price $352.14 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S684-MC2-AF12 (100 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $352.14 AUD Regular price ~~$422.56 AUD~~ Sale price $352.14 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684-MC2-AF12 (100 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Sale S684-MC2-AF12 (100 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $352.14 AUD Regular price ~~$422.56 AUD~~ Sale price $352.14 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S684-MC3-AF12 Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing 13 Available Now \| Further orders can be expected around Mon, Dec 01, 2025 Regular price $3.59 AUD Regular price Sale price $3.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 13 Available Now. Backorder if more than 13.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S684-MC3-AF12 Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing 13 Available Now \| Further orders can be expected around Mon, Dec 01, 2025 Regular price $3.59 AUD Regular price Sale price $3.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 13 Available Now. Backorder if more than 13.
S684-MC3-AF12 --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684-MC3-AF12 --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $3.59 AUD Regular price Sale price $3.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 13 Available Now
ID (d) 4.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.040} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S684-MC4-GR5-R-AF12 (1000 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Mar 03, 2026 Regular price $8,620.50 AUD Regular price Sale price $8,620.50 AUD Unit price per 1000 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.005} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.040} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S684-MC4-GR5-R-AF12 (1000 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Mar 03, 2026 Regular price $8,620.50 AUD Regular price Sale price $8,620.50 AUD Unit price per 1000 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684-MC4-GR5-R-AF12 (1000 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684-MC4-GR5-R-AF12 (1000 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $8,620.50 AUD Regular price Sale price $8,620.50 AUD Unit price per 1000 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.120} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S684-MC3-JP6-AF12 (100 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $724.59 AUD Regular price Sale price $724.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 9.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.354 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.120} (Equiv. 0.098 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S684-MC3-JP6-AF12 (100 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Mon, Dec 01, 2025 Regular price $724.59 AUD Regular price Sale price $724.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684-MC3-JP6-AF12 (100 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684-MC3-JP6-AF12 (100 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $724.59 AUD Regular price Sale price $724.59 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now

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Miniature Bearings Australia

Collection: Bearings - Single Row Ball - Unflanged

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