Bearings - Single Row Ball– Page32 – 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 / - 0.005} (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
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 Wed, Mar 18, 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)	OD (D)	Width (B)	Inner Ring Width (Bn)	Indicative Image
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
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 Wed, Mar 18, 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 / - 0.0075} (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
Part Number: S684-MC3-R-AF12 Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing 369 Available Now \| Further orders can be expected around Wed, Dec 10, 2025 Regular price $8.95 AUD Regular price Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 369 Available Now. Backorder if more than 369.
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
Part Number: S684-MC3-R-AF12 Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing 369 Available Now \| Further orders can be expected around Wed, Dec 10, 2025 Regular price $8.95 AUD Regular price Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 369 Available Now. Backorder if more than 369.
S684-MC3-R-AF12 --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684-MC3-R-AF12 --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $8.95 AUD Regular price Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 369 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.)		Flange Diameter (DF) 10.300	Flange Width (BF) 0.600
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Flanged
Part Number: F684-MC3 (100 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $581.77 AUD Regular price ~~$1,230.48 AUD~~ Sale price $581.77 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 / - 0.0075} (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 Flange Diameter (DF): 10.300 Flange Width (BF): 0.600 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Flanged
Part Number: F684-MC3 (100 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $581.77 AUD Regular price ~~$1,230.48 AUD~~ Sale price $581.77 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
F684-MC3 (100 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing Sale F684-MC3 (100 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing Regular price $581.77 AUD Regular price ~~$1,230.48 AUD~~ Sale price $581.77 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 / - 0.005} (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.)		Flange Diameter (DF) 10.300	Flange Width (BF) 0.600
Material: Stainless Steel AISI 440C Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684-MC34-GR5-R-L23 (40 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 08, 2026 Regular price $1,658.59 AUD Regular price Sale price $1,658.59 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 Flange Diameter (DF): 10.300 Flange Width (BF): 0.600 Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684-MC34-GR5-R-L23 (40 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 08, 2026 Regular price $1,658.59 AUD Regular price Sale price $1,658.59 AUD Unit price per 40 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SF684-MC34-GR5-R-L23 (40 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing SF684-MC34-GR5-R-L23 (40 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Regular price $1,658.59 AUD Regular price Sale price $1,658.59 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.)		Flange Diameter (DF) 10.300	Flange Width (BF) 0.600
Material: Stainless Steel AISI 440C Precision Grade: Abec 7 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684-MC34-GR7-R-L23 (57 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 08, 2026 Regular price $2,582.05 AUD Regular price ~~$3,098.45 AUD~~ Sale price $2,582.05 AUD Unit price per 57 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 Flange Diameter (DF): 10.300 Flange Width (BF): 0.600 Precision Grade: Abec 7 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684-MC34-GR7-R-L23 (57 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 08, 2026 Regular price $2,582.05 AUD Regular price ~~$3,098.45 AUD~~ Sale price $2,582.05 AUD Unit price per 57 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SF684-MC34-GR7-R-L23 (57 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Sale SF684-MC34-GR7-R-L23 (57 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Regular price $2,582.05 AUD Regular price ~~$3,098.45 AUD~~ Sale price $2,582.05 AUD Unit price per 57 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.)		Flange Diameter (DF) 10.300	Flange Width (BF) 0.600
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684-MC3-AF12 Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing 200 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $3.41 AUD Regular price ~~$8.13 AUD~~ Sale price $3.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 200 Available Now. Backorder if more than 200.
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 Flange Diameter (DF): 10.300 Flange Width (BF): 0.600 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684-MC3-AF12 Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing 200 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $3.41 AUD Regular price ~~$8.13 AUD~~ Sale price $3.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 200 Available Now. Backorder if more than 200.
SF684-MC3-AF12 --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Sale SF684-MC3-AF12 --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Regular price $3.41 AUD Regular price ~~$8.13 AUD~~ Sale price $3.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 200 Available Now Sale
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.)		Flange Diameter (DF) 10.300	Flange Width (BF) 0.600
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684-MC3-JP6-AF12 (50 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $332.50 AUD Regular price ~~$702.36 AUD~~ Sale price $332.50 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) 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 Flange Diameter (DF): 10.300 Flange Width (BF): 0.600 Precision Grade: P6 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684-MC3-JP6-AF12 (50 Pcs) Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $332.50 AUD Regular price ~~$702.36 AUD~~ Sale price $332.50 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SF684-MC3-JP6-AF12 (50 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Sale SF684-MC3-JP6-AF12 (50 Pcs) --- Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing Regular price $332.50 AUD Regular price ~~$702.36 AUD~~ Sale price $332.50 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) 9.000 mm (Equiv. 0.354 in.)	Width (B) 3.000 mm (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged
Part Number: 684D-ZZS-ECO Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 92 Available Now \| Further orders can be expected around Wed, Dec 10, 2025 Regular price $3.86 AUD Regular price Sale price $3.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 92 Available Now. Backorder if more than 92.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 3.000 mm (Equiv. 0.118 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged
Part Number: 684D-ZZS-ECO Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 92 Available Now \| Further orders can be expected around Wed, Dec 10, 2025 Regular price $3.86 AUD Regular price Sale price $3.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 92 Available Now. Backorder if more than 92.
684D-ZZS-ECO --- Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 684D-ZZS-ECO --- Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $3.86 AUD Regular price Sale price $3.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 92 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) 3.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.138 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged Non ISO Width
Part Number: 684B-ZZ-MC3 Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 262 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $5.68 AUD Regular price Sale price $5.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 262 Available Now. Backorder if more than 262.
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) 3.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.138 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged Non ISO Width
Part Number: 684B-ZZ-MC3 Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 262 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $5.68 AUD Regular price Sale price $5.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 262 Available Now. Backorder if more than 262.
684B-ZZ-MC3 --- Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 684B-ZZ-MC3 --- Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $5.68 AUD Regular price Sale price $5.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 262 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) 3.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.138 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged Non ISO Width
Part Number: S684B-ZZ-MC3 Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing 97 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $5.14 AUD Regular price Sale price $5.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 97 Available Now. Backorder if more than 97.
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) 3.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.138 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged Non ISO Width
Part Number: S684B-ZZ-MC3 Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing 97 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $5.14 AUD Regular price Sale price $5.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 97 Available Now. Backorder if more than 97.
S684B-ZZ-MC3 --- Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684B-ZZ-MC3 --- Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $5.14 AUD Regular price Sale price $5.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 97 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) 3.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.138 in.)		Flange Diameter (DF) 10.300	Flange Width (BF) 0.600
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684B-ZZ-MC3 Single Row Ball Bearings - 4x9x3.5 mm Flanged - Stainless Steel AISI 440C Bearing 73 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $8.59 AUD Regular price Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 73 Available Now. Backorder if more than 73.
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) 3.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.138 in.)
Material: Stainless Steel AISI 440C Flange Diameter (DF): 10.300 Flange Width (BF): 0.600 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Flanged
Part Number: SF684B-ZZ-MC3 Single Row Ball Bearings - 4x9x3.5 mm Flanged - Stainless Steel AISI 440C Bearing 73 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $8.59 AUD Regular price Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 73 Available Now. Backorder if more than 73.
SF684B-ZZ-MC3 --- Single Row Ball Bearings - 4x9x3.5 mm Flanged - Stainless Steel AISI 440C Bearing SF684B-ZZ-MC3 --- Single Row Ball Bearings - 4x9x3.5 mm Flanged - Stainless Steel AISI 440C Bearing Regular price $8.59 AUD Regular price Sale price $8.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 73 Available Now
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 4.000 mm (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-2RS-ECO Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Fri, Dec 19, 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 Backorder: Out of Stock.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 4.000 mm (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-2RS-ECO Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Fri, Dec 19, 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 Backorder: Out of Stock.
684A-2RS-ECO --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 684A-2RS-ECO --- Single Row Ball Bearings - 4x9x4 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 Out of stock! Backorder Now
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 4.000 mm (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged Deleted Item. Available while stocks last.
Part Number: 684A-ZZS-ECO (5 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 4 units (20 pcs) Available Now \| Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $3.49 AUD Regular price ~~$6.02 AUD~~ Sale price $3.49 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 4 units (20 pcs) 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) 9.000 mm (Equiv. 0.354 in.)	Width (B) 4.000 mm (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged Deleted Item. Available while stocks last.
Part Number: 684A-ZZS-ECO (5 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 4 units (20 pcs) Available Now \| Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $3.49 AUD Regular price ~~$6.02 AUD~~ Sale price $3.49 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 4 units (20 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
684A-ZZS-ECO (5 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale 684A-ZZS-ECO (5 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $3.49 AUD Regular price ~~$6.02 AUD~~ Sale price $3.49 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties 4 Available 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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-2RS-MC3 Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 73 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $6.23 AUD Regular price Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 73 Available Now. Backorder if more than 73.
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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-2RS-MC3 Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 73 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $6.23 AUD Regular price Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 73 Available Now. Backorder if more than 73.
684A-2RS-MC3 --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 684A-2RS-MC3 --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $6.23 AUD Regular price Sale price $6.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 73 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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-ZZ-MC3 (2 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 261 units (522 pcs) Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $6.68 AUD Regular price Sale price $6.68 AUD Unit price per 2 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 261 units (522 pcs) Available Now. Backorder if more than 261.
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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-ZZ-MC3 (2 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 261 units (522 pcs) Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $6.68 AUD Regular price Sale price $6.68 AUD Unit price per 2 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 261 units (522 pcs) Available Now. Backorder if more than 261.
684A-ZZ-MC3 (2 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 684A-ZZ-MC3 (2 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $6.68 AUD Regular price Sale price $6.68 AUD Unit price per 2 Per Sell Unit Excludes GST and overseas Taxes & Duties 261 Available 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) 4.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-ZZ-MC3-JP6 (100 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $453.23 AUD Regular price ~~$543.87 AUD~~ Sale price $453.23 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) 4.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-ZZ-MC3-JP6 (100 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $453.23 AUD Regular price ~~$543.87 AUD~~ Sale price $453.23 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
684A-ZZ-MC3-JP6 (100 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale 684A-ZZ-MC3-JP6 (100 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $453.23 AUD Regular price ~~$543.87 AUD~~ Sale price $453.23 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 (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 4.000 mm (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-2RB-ECO Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 750 Available Now \| Further orders can be expected around Wed, Dec 10, 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 750 Available Now. Backorder if more than 750.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 4.000 mm (Equiv. 0.157 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged
Part Number: 684A-2RB-ECO Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 750 Available Now \| Further orders can be expected around Wed, Dec 10, 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 750 Available Now. Backorder if more than 750.
684A-2RB-ECO --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 684A-2RB-ECO --- Single Row Ball Bearings - 4x9x4 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 750 Available 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) 4.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZ-MC3-JP6 Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 26 Available Now \| Further orders can be expected around Tue, Dec 16, 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 26 Available Now. Backorder if more than 26.
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) 4.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: P6 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZ-MC3-JP6 Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 26 Available Now \| Further orders can be expected around Tue, Dec 16, 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 26 Available Now. Backorder if more than 26.
S684A-ZZ-MC3-JP6 --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing S684A-ZZ-MC3-JP6 --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $4.05 AUD Regular price Sale price $4.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 26 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) 4.000 mm _{+ 0.000 / - 0.040} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C - Phenolic Retainer Precision Grade: P5P Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZS-MC3-GR5-KC-L23 (20 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Phenolic Retainer Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 08, 2026 Regular price $1,504.05 AUD Regular price Sale price $1,504.05 AUD Unit price per 20 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) 4.000 mm _{+ 0.000 / - 0.040} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C - Phenolic Retainer Precision Grade: P5P Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZS-MC3-GR5-KC-L23 (20 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Phenolic Retainer Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 08, 2026 Regular price $1,504.05 AUD Regular price Sale price $1,504.05 AUD Unit price per 20 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684A-ZZS-MC3-GR5-KC-L23 (20 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Phenolic Retainer Bearing S684A-ZZS-MC3-GR5-KC-L23 (20 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Phenolic Retainer Bearing Regular price $1,504.05 AUD Regular price Sale price $1,504.05 AUD Unit price per 20 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) 9.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.354 in.)	Width (B) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-TTS-MC3 (100 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $809.14 AUD Regular price ~~$970.96 AUD~~ Sale price $809.14 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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-TTS-MC3 (100 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $809.14 AUD Regular price ~~$970.96 AUD~~ Sale price $809.14 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684A-TTS-MC3 (100 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Sale S684A-TTS-MC3 (100 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $809.14 AUD Regular price ~~$970.96 AUD~~ Sale price $809.14 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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZ-MC3 Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 200 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $4.32 AUD Regular price Sale price $4.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 200 Available Now. Backorder if more than 200.
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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZ-MC3 Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 200 Available Now \| Further orders can be expected around Tue, Dec 16, 2025 Regular price $4.32 AUD Regular price Sale price $4.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 200 Available Now. Backorder if more than 200.
S684A-ZZ-MC3 --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing S684A-ZZ-MC3 --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $4.32 AUD Regular price Sale price $4.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 200 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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZ-MC3-DRY (100 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $453.23 AUD Regular price ~~$543.87 AUD~~ Sale price $453.23 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) 4.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: Abec 1 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZ-MC3-DRY (100 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock \| Backorder Now \| Orders can be expected around Tue, Dec 16, 2025 Regular price $453.23 AUD Regular price ~~$543.87 AUD~~ Sale price $453.23 AUD Unit price per 100 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684A-ZZ-MC3-DRY (100 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Sale S684A-ZZ-MC3-DRY (100 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $453.23 AUD Regular price ~~$543.87 AUD~~ Sale price $453.23 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 (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 4.000 mm (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZS-ECO Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 95 Available Now \| Further orders can be expected around Wed, Dec 10, 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 95 Available Now. Backorder if more than 95.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 9.000 mm (Equiv. 0.354 in.)	Width (B) 4.000 mm (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C Precision Grade: Economy Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZS-ECO Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 95 Available Now \| Further orders can be expected around Wed, Dec 10, 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 95 Available Now. Backorder if more than 95.
S684A-ZZS-ECO --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing S684A-ZZS-ECO --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $4.14 AUD Regular price Sale price $4.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 95 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) 4.000 mm _{+ 0.000 / - 0.040} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZS-MC34-GR5-R-G48 (22 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 08, 2026 Regular price $1,142.41 AUD Regular price Sale price $1,142.41 AUD Unit price per 22 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) 4.000 mm _{+ 0.000 / - 0.040} (Equiv. 0.157 in.)
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque Precision Grade: Abec 5 Category: Bearings - Single Row Ball - Unflanged
Part Number: S684A-ZZS-MC34-GR5-R-G48 (22 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 08, 2026 Regular price $1,142.41 AUD Regular price Sale price $1,142.41 AUD Unit price per 22 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684A-ZZS-MC34-GR5-R-G48 (22 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing S684A-ZZS-MC34-GR5-R-G48 (22 Pcs) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Regular price $1,142.41 AUD Regular price Sale price $1,142.41 AUD Unit price per 22 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

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