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Collection: Bearings - Single Row Ball - Unflanged - Precision

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

ID (d)	OD (D)	Width (B)	Inner Ring Width (Bn)	Flange Diameter (DF)	Flange Width (BF)	Indicative Image
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR84A-ZZ-MC3-JP6 (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $268.86 AUD Regular price ~~$322.64 AUD~~ Sale price $268.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ID (d)	OD (D)	Width (B)	Inner Ring Width (Bn)	Indicative Image
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR84A-ZZ-MC3-JP6 (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $268.86 AUD Regular price ~~$322.64 AUD~~ Sale price $268.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
MR84A-ZZ-MC3-JP6 (PK-50) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR84A-ZZ-MC3-JP6 (PK-50) --- 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 Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR84A-ZZ-MC3 (Each) 231 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $4.14 AUD Regular price Sale price $4.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 231 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR84A-ZZ-MC3 (Each) 231 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $4.14 AUD Regular price Sale price $4.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 231 Available Now. Backorder if more than 231.
MR84A-ZZ-MC3 (Each) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing MR84A-ZZ-MC3 (Each) --- 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 231 Available Now
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
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 Closure Type: ZZS Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid Ceramic Balls and shields
Part Number: MR84A-CSN-ZZS-ACO-ECO (PK-200) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 29, 2026 Regular price $840.68 AUD Regular price ~~$1,008.82 AUD~~ Sale price $840.68 AUD Unit price per Priced, Stocked and Sold Per 200 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
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 Closure Type: ZZS Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid Ceramic Balls and shields
Part Number: MR84A-CSN-ZZS-ACO-ECO (PK-200) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Jan 29, 2026 Regular price $840.68 AUD Regular price ~~$1,008.82 AUD~~ Sale price $840.68 AUD Unit price per Priced, Stocked and Sold Per 200 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
MR84A-CSN-ZZS-ACO-ECO (PK-200) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing Sale MR84A-CSN-ZZS-ACO-ECO (PK-200) --- 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 Priced, Stocked and Sold Per 200 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage
Part Number: MR84A-ZZ-T9H-MC3 (Each) 1 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $4.05 AUD Regular price Sale price $4.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 1 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage
Part Number: MR84A-ZZ-T9H-MC3 (Each) 1 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 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 (Each) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing MR84A-ZZ-T9H-MC3 (Each) --- 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
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR84A-ZZ-MC3-JP6 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $838.77 AUD Regular price Sale price $838.77 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR84A-ZZ-MC3-JP6 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $838.77 AUD Regular price Sale price $838.77 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SMR84A-ZZ-MC3-JP6 (PK-100) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing SMR84A-ZZ-MC3-JP6 (PK-100) --- 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 Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR84A-ZZ-MC3 (Each) 240 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $6.86 AUD Regular price Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 240 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR84A-ZZ-MC3 (Each) 240 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $6.86 AUD Regular price Sale price $6.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 240 Available Now. Backorder if more than 240.
SMR84A-ZZ-MC3 (Each) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing SMR84A-ZZ-MC3 (Each) --- 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 240 Available Now
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR84A-MC3-JP6-L23 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Mon, May 25, 2026 Regular price $419.41 AUD Regular price ~~$503.29 AUD~~ Sale price $419.41 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR84A-MC3-JP6-L23 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Mon, May 25, 2026 Regular price $419.41 AUD Regular price ~~$503.29 AUD~~ Sale price $419.41 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
SMR84A-MC3-JP6-L23 (PK-100) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing Sale SMR84A-MC3-JP6-L23 (PK-100) --- 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 Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR84A-MC3-JP6-AF12 (Each) 9 Available Now \| Further orders can be expected around Mon, Mar 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 Larger quantities than the 9 available can be backordered.
Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SMR84A-MC3-JP6-AF12 (Each) 9 Available Now \| Further orders can be expected around Mon, Mar 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 9 Available Now. Backorder if more than 9.
SMR84A-MC3-JP6-AF12 (Each) --- Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing SMR84A-MC3-JP6-AF12 (Each) --- 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 9 Available Now
Single Row Ball Bearings - 4x8x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Deleted Item. Available while stocks last. Non ISO Width
Part Number: MR84D-ZZS-ECO (Each) 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.
Single Row Ball Bearings - 4x8x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Deleted Item. Available while stocks last. Non ISO Width
Part Number: MR84D-ZZS-ECO (Each) 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 (Each) --- Single Row Ball Bearings - 4x8x5 mm Unflanged - Chrome Steel SAE 52100 Bearing Sale MR84D-ZZS-ECO (Each) --- 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
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684-MC3-R-AF12 (Each) 339 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $8.95 AUD Regular price Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 339 available can be backordered.
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684-MC3-R-AF12 (Each) 339 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $8.95 AUD Regular price Sale price $8.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 339 Available Now. Backorder if more than 339.
S684-MC3-R-AF12 (Each) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684-MC3-R-AF12 (Each) --- 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 339 Available Now
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684-MC3-AF12 (Each) 13 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $3.59 AUD Regular price Sale price $3.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 13 available can be backordered.
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684-MC3-AF12 (Each) 13 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 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 (Each) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684-MC3-AF12 (Each) --- 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
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684-MC3-JP6-AF12 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $724.59 AUD Regular price Sale price $724.59 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684-MC3-JP6-AF12 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $724.59 AUD Regular price Sale price $724.59 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684-MC3-JP6-AF12 (PK-100) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684-MC3-JP6-AF12 (PK-100) --- 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 Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 684-ZZS-ECO (Each) 19 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $1.95 AUD Regular price Sale price $1.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 19 available can be backordered.
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 684-ZZS-ECO (Each) 19 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $1.95 AUD Regular price Sale price $1.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 19 Available Now. Backorder if more than 19.
684-ZZS-ECO (Each) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 684-ZZS-ECO (Each) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing Regular price $1.95 AUD Regular price Sale price $1.95 AUD Unit price per Each Excludes GST and overseas Taxes & Duties 19 Available Now
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684-MC2-AF12 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $352.14 AUD Regular price ~~$422.56 AUD~~ Sale price $352.14 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: Open Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684-MC2-AF12 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $352.14 AUD Regular price ~~$422.56 AUD~~ Sale price $352.14 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684-MC2-AF12 (PK-100) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing Sale S684-MC2-AF12 (PK-100) --- 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 Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 684-MC3-AF12 (Each) 1 Available Now \| More stock due: 100 around Thu, Jan 15, 2026 \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 1 available can be backordered.
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 684-MC3-AF12 (Each) 1 Available Now \| More stock due: 100 around Thu, Jan 15, 2026 \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 1 Available Now. Backorder if more than 1.
684-MC3-AF12 (Each) --- Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 684-MC3-AF12 (Each) --- 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 1 Available Now
Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 684D-ZZS-ECO (Each) 92 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $3.86 AUD Regular price Sale price $3.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 92 available can be backordered.
Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 684D-ZZS-ECO (Each) 92 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 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 (Each) --- Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 684D-ZZS-ECO (Each) --- 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
Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Non ISO Width
Part Number: 684B-ZZ-MC3 (Each) 262 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $5.68 AUD Regular price Sale price $5.68 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 262 available can be backordered.
Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
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 Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Non ISO Width
Part Number: 684B-ZZ-MC3 (Each) 262 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 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 (Each) --- Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 684B-ZZ-MC3 (Each) --- 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
Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless Non ISO Width
Part Number: S684B-ZZ-MC3 (Each) 97 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $5.14 AUD Regular price Sale price $5.14 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 97 available can be backordered.
Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless Non ISO Width
Part Number: S684B-ZZ-MC3 (Each) 97 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 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 (Each) --- Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing S684B-ZZ-MC3 (Each) --- 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
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3 (Each) 194 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $4.32 AUD Regular price Sale price $4.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 194 available can be backordered.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3 (Each) 194 Available Now \| Further orders can be expected around Wed, Feb 11, 2026 Regular price $4.32 AUD Regular price Sale price $4.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 194 Available Now. Backorder if more than 194.
S684A-ZZ-MC3 (Each) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing S684A-ZZ-MC3 (Each) --- 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 194 Available Now
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC34-NMB (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $467.86 AUD Regular price ~~$561.44 AUD~~ Sale price $467.86 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC34-NMB (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $467.86 AUD Regular price ~~$561.44 AUD~~ Sale price $467.86 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684A-ZZ-MC34-NMB (PK-100) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Sale S684A-ZZ-MC34-NMB (PK-100) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Regular price $467.86 AUD Regular price ~~$561.44 AUD~~ Sale price $467.86 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-DRY (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $453.23 AUD Regular price ~~$543.87 AUD~~ Sale price $453.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-DRY (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $453.23 AUD Regular price ~~$543.87 AUD~~ Sale price $453.23 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684A-ZZ-MC3-DRY (PK-100) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Sale S684A-ZZ-MC3-DRY (PK-100) --- 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 Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: TTS Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-TTS-MC3 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $809.14 AUD Regular price ~~$970.96 AUD~~ Sale price $809.14 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: TTS Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-TTS-MC3 (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Wed, Feb 11, 2026 Regular price $809.14 AUD Regular price ~~$970.96 AUD~~ Sale price $809.14 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
S684A-TTS-MC3 (PK-100) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Sale S684A-TTS-MC3 (PK-100) --- 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 Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-JP6 (Each) 22 Available Now \| Further orders can be expected around Wed, Feb 11, 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 Larger quantities than the 22 available can be backordered.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZ Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-JP6 (Each) 22 Available Now \| Further orders can be expected around Wed, Feb 11, 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 22 Available Now. Backorder if more than 22.
S684A-ZZ-MC3-JP6 (Each) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing S684A-ZZ-MC3-JP6 (Each) --- Single Row Ball Bearings - 4x9x4 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 22 Available Now
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZS Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZS-ECO (Each) 95 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $4.05 AUD Regular price Sale price $4.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 95 available can be backordered.
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
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 Closure Type: ZZS Bearing Type: Radial Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZS-ECO (Each) 95 Available Now \| Further orders can be expected around Fri, Jan 23, 2026 Regular price $4.05 AUD Regular price Sale price $4.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required 95 Available Now. Backorder if more than 95.
S684A-ZZS-ECO (Each) --- Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing S684A-ZZS-ECO (Each) --- 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 95 Available Now

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