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Collection: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel

Bearings -> Single Row Ball -> Unflanged -> Precision -> Chrome Steel

ID (d)	OD (D)	Width (B)	Inner Ring Width (Bn)	Flange Diameter (DF)	Flange Width (BF)	Indicative Image
ID (d) 3.500 mm (Equiv. 0.138 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 Closure Type: ZZ Bearing Type: Radial Deleted Item. Available while stocks last.
Part Number: MR935-ZZ-ECO (10 Pcs) Single Row Ball Bearings - 3.5x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 88 units (880 pcs) Available Now \| Item Discontinued - Up to 88 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 10 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 88 units (880 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)	OD (D)	Width (B)	Inner Ring Width (Bn)	Indicative Image
ID (d) 3.500 mm (Equiv. 0.138 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 Closure Type: ZZ Bearing Type: Radial Deleted Item. Available while stocks last.
Part Number: MR935-ZZ-ECO (10 Pcs) Single Row Ball Bearings - 3.5x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 88 units (880 pcs) Available Now \| Item Discontinued - Up to 88 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 10 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 88 units (880 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
MR935-ZZ-ECO (10 Pcs) --- Single Row Ball Bearings - 3.5x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR935-ZZ-ECO (10 Pcs) --- Single Row Ball Bearings - 3.5x9x4 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 10 Per Sell Unit Excludes GST and overseas Taxes & Duties 88 Available Now Sale
ID (d) 3.969 mm (Equiv. 0.156 in.)	OD (D) 7.938 mm (Equiv. 0.313 in.)	Width (B) 3.175 mm (Equiv. 0.125 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Closure Type: TTS Bearing Type: Radial Deleted Item. Available while stocks last.
Part Number: R155A-TTS-ECO Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing 320 Available Now \| Item Discontinued - Up to 320 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $3.00 AUD Regular price ~~$5.70 AUD~~ Sale price $3.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 320 Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d) 3.969 mm (Equiv. 0.156 in.)	OD (D) 7.938 mm (Equiv. 0.313 in.)	Width (B) 3.175 mm (Equiv. 0.125 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Closure Type: TTS Bearing Type: Radial Deleted Item. Available while stocks last.
Part Number: R155A-TTS-ECO Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing 320 Available Now \| Item Discontinued - Up to 320 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $3.00 AUD Regular price ~~$5.70 AUD~~ Sale price $3.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 320 Available Now. These are priced to quit. Please contact us for a quote if you require more.
R155A-TTS-ECO --- Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale R155A-TTS-ECO --- Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $3.00 AUD Regular price ~~$5.70 AUD~~ Sale price $3.00 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 320 Available Now Sale
ID (d) 3.969 mm _{+ 0.000 / - 0.007} (Equiv. 0.156 in.)	OD (D) 7.938 mm _{+ 0.000 / - 0.007} (Equiv. 0.313 in.)	Width (B) 3.175 mm _{+ 0.000 / - 0.120} (Equiv. 0.125 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Closure Type: ZZS Bearing Type: Radial
Part Number: R155A-ZZS-MC3-JP6 (20 Pcs) Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $149.95 AUD Regular price ~~$179.95 AUD~~ Sale price $149.95 AUD Unit price per 20 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 3.969 mm _{+ 0.000 / - 0.007} (Equiv. 0.156 in.)	OD (D) 7.938 mm _{+ 0.000 / - 0.007} (Equiv. 0.313 in.)	Width (B) 3.175 mm _{+ 0.000 / - 0.120} (Equiv. 0.125 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Closure Type: ZZS Bearing Type: Radial
Part Number: R155A-ZZS-MC3-JP6 (20 Pcs) Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $149.95 AUD Regular price ~~$179.95 AUD~~ Sale price $149.95 AUD Unit price per 20 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
R155A-ZZS-MC3-JP6 (20 Pcs) --- Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale R155A-ZZS-MC3-JP6 (20 Pcs) --- Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $149.95 AUD Regular price ~~$179.95 AUD~~ Sale price $149.95 AUD Unit price per 20 Per Sell Unit Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
ID (d) 3.969 mm _{+ 0.000 / - 0.0075} (Equiv. 0.156 in.)	OD (D) 7.938 mm _{+ 0.000 / - 0.0075} (Equiv. 0.313 in.)	Width (B) 3.175 mm _{+ 0.000 / - 0.125} (Equiv. 0.125 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Closure Type: ZZS Bearing Type: Radial
Part Number: R155A-ZZS-MC3 (20 Pcs) Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $149.95 AUD Regular price ~~$179.95 AUD~~ Sale price $149.95 AUD Unit price per 20 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d) 3.969 mm _{+ 0.000 / - 0.0075} (Equiv. 0.156 in.)	OD (D) 7.938 mm _{+ 0.000 / - 0.0075} (Equiv. 0.313 in.)	Width (B) 3.175 mm _{+ 0.000 / - 0.125} (Equiv. 0.125 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Closure Type: ZZS Bearing Type: Radial
Part Number: R155A-ZZS-MC3 (20 Pcs) Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $149.95 AUD Regular price ~~$179.95 AUD~~ Sale price $149.95 AUD Unit price per 20 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
R155A-ZZS-MC3 (20 Pcs) --- Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale R155A-ZZS-MC3 (20 Pcs) --- Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $149.95 AUD Regular price ~~$179.95 AUD~~ Sale price $149.95 AUD Unit price per 20 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) 7.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.276 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Closure Type: Open Bearing Type: Radial
Part Number: MR74-MC3-AF12 (50 Pcs) Single Row Ball Bearings - 4x7x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 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) 7.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.276 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Closure Type: Open Bearing Type: Radial
Part Number: MR74-MC3-AF12 (50 Pcs) Single Row Ball Bearings - 4x7x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
MR74-MC3-AF12 (50 Pcs) --- Single Row Ball Bearings - 4x7x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR74-MC3-AF12 (50 Pcs) --- Single Row Ball Bearings - 4x7x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 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 / - 0.007} (Equiv. 0.157 in.)	OD (D) 7.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.276 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.079 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Closure Type: Open Bearing Type: Radial
Part Number: MR74-MC3-JP6-AF12 (50 Pcs) Single Row Ball Bearings - 4x7x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 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 / - 0.007} (Equiv. 0.157 in.)	OD (D) 7.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.276 in.)	Width (B) 2.000 mm _{+ 0.000 / - 0.120} (Equiv. 0.079 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Closure Type: Open Bearing Type: Radial
Part Number: MR74-MC3-JP6-AF12 (50 Pcs) Single Row Ball Bearings - 4x7x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
MR74-MC3-JP6-AF12 (50 Pcs) --- Single Row Ball Bearings - 4x7x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR74-MC3-JP6-AF12 (50 Pcs) --- Single Row Ball Bearings - 4x7x2 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 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) 7.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.276 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Closure Type: ZZS Bearing Type: Radial
Part Number: MR74A-ZZS-MC3 Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 260 Available Now \| Further orders can be expected around Fri, Nov 21, 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 260 Available Now. Backorder if more than 260.
ID (d) 4.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.157 in.)	OD (D) 7.000 mm _{+ 0.000 / - 0.0075} (Equiv. 0.276 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.125} (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Closure Type: ZZS Bearing Type: Radial
Part Number: MR74A-ZZS-MC3 Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 260 Available Now \| Further orders can be expected around Fri, Nov 21, 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 260 Available Now. Backorder if more than 260.
MR74A-ZZS-MC3 --- Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing MR74A-ZZS-MC3 --- Single Row Ball Bearings - 4x7x2.5 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 260 Available Now
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 7.000 mm (Equiv. 0.276 in.)	Width (B) 2.500 mm (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Closure Type: 2RB Bearing Type: Radial Deleted Item. Available while stocks last.
Part Number: MR74A-2RB-ECO (2 Pcs) Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 15 units (30 pcs) Available Now \| Item Discontinued - Up to 15 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $4.39 AUD Regular price ~~$5.27 AUD~~ Sale price $4.39 AUD Unit price per 2 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 15 units (30 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) 7.000 mm (Equiv. 0.276 in.)	Width (B) 2.500 mm (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Closure Type: 2RB Bearing Type: Radial Deleted Item. Available while stocks last.
Part Number: MR74A-2RB-ECO (2 Pcs) Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 15 units (30 pcs) Available Now \| Item Discontinued - Up to 15 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $4.39 AUD Regular price ~~$5.27 AUD~~ Sale price $4.39 AUD Unit price per 2 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 15 units (30 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
MR74A-2RB-ECO (2 Pcs) --- Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR74A-2RB-ECO (2 Pcs) --- Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $4.39 AUD Regular price ~~$5.27 AUD~~ Sale price $4.39 AUD Unit price per 2 Per Sell Unit Excludes GST and overseas Taxes & Duties 15 Available Now Sale
ID (d) 4.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.157 in.)	OD (D) 7.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.276 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.120} (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Closure Type: ZZS Bearing Type: Radial
Part Number: MR74A-ZZS-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 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 / - 0.007} (Equiv. 0.157 in.)	OD (D) 7.000 mm _{+ 0.000 / - 0.007} (Equiv. 0.276 in.)	Width (B) 2.500 mm _{+ 0.000 / - 0.120} (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: P6 Closure Type: ZZS Bearing Type: Radial
Part Number: MR74A-ZZS-MC3-JP6 (50 Pcs) Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| Orders can be expected around Thu, Nov 27, 2025 Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 AUD Unit price per 50 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
MR74A-ZZS-MC3-JP6 (50 Pcs) --- Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR74A-ZZS-MC3-JP6 (50 Pcs) --- Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $290.59 AUD Regular price ~~$348.71 AUD~~ Sale price $290.59 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 (Equiv. 0.157 in.)	OD (D) 7.000 mm (Equiv. 0.276 in.)	Width (B) 2.500 mm (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Closure Type: ZZ Bearing Type: Radial
Part Number: MR74A-ZZ-ECO (5 Pcs) Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 20 units (100 pcs) Available Now \| Further orders can be expected around Fri, Nov 21, 2025 Regular price $7.14 AUD Regular price Sale price $7.14 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 20 units (100 pcs) Available Now. Backorder if more than 20.
ID (d) 4.000 mm (Equiv. 0.157 in.)	OD (D) 7.000 mm (Equiv. 0.276 in.)	Width (B) 2.500 mm (Equiv. 0.098 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Closure Type: ZZ Bearing Type: Radial
Part Number: MR74A-ZZ-ECO (5 Pcs) Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 20 units (100 pcs) Available Now \| Further orders can be expected around Fri, Nov 21, 2025 Regular price $7.14 AUD Regular price Sale price $7.14 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties Quantity Required 20 units (100 pcs) Available Now. Backorder if more than 20.
MR74A-ZZ-ECO (5 Pcs) --- Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing MR74A-ZZ-ECO (5 Pcs) --- Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $7.14 AUD Regular price Sale price $7.14 AUD Unit price per 5 Per Sell Unit Excludes GST and overseas Taxes & Duties 20 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) 2.000 mm _{+ 0.000 / - 0.125} (Equiv. 0.079 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Abec 1 Closure Type: Open Bearing Type: Radial
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 Thu, Nov 27, 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 Closure Type: Open Bearing Type: Radial
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 Thu, Nov 27, 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 / - 0.007} (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 Closure Type: ZZ Bearing Type: Radial
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 Thu, Nov 27, 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 Closure Type: ZZ Bearing Type: Radial
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 Thu, Nov 27, 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 Precision Grade: Economy Closure Type: ZZS Bearing Type: Radial
Part Number: MR84A-ZZS-ECO (5 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| More stock due: 38 (190 pcs) around Mon, Oct 27, 2025 \| Further orders can be expected around Fri, Nov 21, 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 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 Precision Grade: Economy Closure Type: ZZS Bearing Type: Radial
Part Number: MR84A-ZZS-ECO (5 Pcs) Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock \| Backorder Now \| More stock due: 38 (190 pcs) around Mon, Oct 27, 2025 \| Further orders can be expected around Fri, Nov 21, 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 Backorder: Out of Stock.
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 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 Precision Grade: Abec 1 Closure Type: ZZ Bearing Type: Radial
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 Thu, Nov 27, 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 Closure Type: ZZ Bearing Type: Radial
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 Thu, Nov 27, 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) 5.000 mm (Equiv. 0.197 in.)
Material: Chrome Steel SAE 52100 Precision Grade: Economy Closure Type: ZZS Bearing Type: Radial 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 Closure Type: ZZS Bearing Type: Radial 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 Closure Type: ZZS Bearing Type: Radial
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 Fri, Nov 21, 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 Closure Type: ZZS Bearing Type: Radial
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 Fri, Nov 21, 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 Closure Type: Open Bearing Type: Radial
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 Thu, Nov 27, 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 Closure Type: Open Bearing Type: Radial
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 Thu, Nov 27, 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 (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 Closure Type: ZZS Bearing Type: Radial
Part Number: 684D-ZZS-ECO Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 100 Available Now \| Further orders can be expected around Fri, Nov 21, 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 100 Available Now. Backorder if more than 100.
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 Closure Type: ZZS Bearing Type: Radial
Part Number: 684D-ZZS-ECO Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 100 Available Now \| Further orders can be expected around Fri, Nov 21, 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 100 Available Now. Backorder if more than 100.
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 100 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 Closure Type: ZZ Bearing Type: Radial 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 Thu, Nov 27, 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 Closure Type: ZZ Bearing Type: Radial 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 Thu, Nov 27, 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 (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 Closure Type: ZZS Bearing Type: Radial 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 Closure Type: ZZS Bearing Type: Radial 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 Closure Type: ZZ Bearing Type: Radial
Part Number: 684A-ZZ-MC3 (2 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 264 units (528 pcs) Available Now \| Further orders can be expected around Thu, Nov 27, 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 264 units (528 pcs) Available Now. Backorder if more than 264.
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 Closure Type: ZZ Bearing Type: Radial
Part Number: 684A-ZZ-MC3 (2 Pcs) Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 264 units (528 pcs) Available Now \| Further orders can be expected around Thu, Nov 27, 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 264 units (528 pcs) Available Now. Backorder if more than 264.
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 264 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 Closure Type: 2RB Bearing Type: Radial
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 Fri, Nov 21, 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 Closure Type: 2RB Bearing Type: Radial
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 Fri, Nov 21, 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 (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 Closure Type: 2RS Bearing Type: Radial
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 Sun, Nov 30, 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 Closure Type: 2RS Bearing Type: Radial
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 Sun, Nov 30, 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 _{+ 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 Closure Type: ZZ Bearing Type: Radial
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 Thu, Nov 27, 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 Closure Type: ZZ Bearing Type: Radial
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 Thu, Nov 27, 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

Miniature Bearings Australia Pty Ltd
3/8 Boyland Avenue
Coopers Plains, Queensland, Australia.
(ABN: 94 069 113 800)