Bearings - Single Row Ball - Unflanged - Precision

Bearings -> Single Row Ball -> Unflanged -> Precision
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Stainless Steel AISI 440C
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: SR4-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$296.68 AUD
$356.02 AUD $296.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Stainless Steel AISI 440C
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: SR4-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$296.68 AUD
$356.02 AUD $296.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
15.875
mm
Width (B)
4.978
mm
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R4-2RS-ECO (PK-2)
7 units (14 pcs) Available Now | Further orders can be expected around Sun, Jul 05, 2026
$3.59 AUD
$3.59 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 7 available can be backordered.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
15.875
mm
Width (B)
4.978
mm
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R4-2RS-ECO (PK-2)
7 units (14 pcs) Available Now | Further orders can be expected around Sun, Jul 05, 2026
$3.59 AUD
$3.59 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (14 pcs) Available Now. Backorder if more than 7.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
ID (d)
6.350
mm
O.D. (D)
15.875
mm
Width (B)
4.978
mm
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage
Part Number: R4-T9H-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 05, 2026
$690.14 AUD
$828.16 AUD $690.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
ID (d)
6.350
mm
O.D. (D)
15.875
mm
Width (B)
4.978
mm
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage
Part Number: R4-T9H-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 05, 2026
$690.14 AUD
$828.16 AUD $690.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing
ID (d)
6.350
mm
O.D. (D)
15.875
mm
Width (B)
4.978
mm
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid
Double shielded ceramic-hybrid bearing with high speed polyamide retainer and light anti-rust lubricant
Part Number: R4-CSN-T9H-ACO-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 19, 2026
$66.05 AUD
$79.25 AUD $66.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing
ID (d)
6.350
mm
O.D. (D)
15.875
mm
Width (B)
4.978
mm
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid
Double shielded ceramic-hybrid bearing with high speed polyamide retainer and light anti-rust lubricant
Part Number: R4-CSN-T9H-ACO-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 19, 2026
$66.05 AUD
$79.25 AUD $66.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Stainless Steel AISI 440C
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: SR4-TTS-MC3 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Stainless Steel AISI 440C
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: SR4-TTS-MC3 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Open Standard Bearing
Part Number: R4-MC3-ACO (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Open Standard Bearing
Part Number: R4-MC3-ACO (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double shielded standard bearing
Part Number: R4-ZZ-MC3 (Each)
96 Available Now | More stock due: 200 around Tue, Jul 07, 2026 | Further orders can be expected around Sat, Jul 11, 2026
$3.95 AUD
$3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 96 available can be backordered.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double shielded standard bearing
Part Number: R4-ZZ-MC3 (Each)
96 Available Now | More stock due: 200 around Tue, Jul 07, 2026 | Further orders can be expected around Sat, Jul 11, 2026
$3.95 AUD
$3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

96 Available Now. Backorder if more than 96.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
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: R-4HHRA1P25LY121-TD552 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
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: R-4HHRA1P25LY121-TD552 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R4-2RS-MC3-NSK (Each)
140 Available Now | Further orders can be expected around Sun, Jul 05, 2026
$6.59 AUD
$6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 140 available can be backordered.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R4-2RS-MC3-NSK (Each)
140 Available Now | Further orders can be expected around Sun, Jul 05, 2026
$6.59 AUD
$6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

140 Available Now. Backorder if more than 140.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.007
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.007
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.120
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
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: R4-ZZ-MC3-JP6 (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.007
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.007
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.120
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
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: R4-ZZ-MC3-JP6 (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
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: R4-MC4-ACO (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
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: R4-MC4-ACO (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
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: R4-MC5-ACO (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
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: R4-MC5-ACO (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double rubber sealed standard bearing
Part Number: R4-2RS-MC3 (Each)
186 Available Now | Further orders can be expected around Sat, Jul 11, 2026
$3.77 AUD
$3.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 186 available can be backordered.
Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double rubber sealed standard bearing
Part Number: R4-2RS-MC3 (Each)
186 Available Now | Further orders can be expected around Sat, Jul 11, 2026
$3.77 AUD
$3.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

186 Available Now. Backorder if more than 186.
Single Row Ball Bearings - 6.35x15.875x4.978 mm / 5.771 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Inner Ring Width (Bn)
5.771
mm
Single Row Ball Bearings - 6.35x15.875x4.978 mm / 5.771 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial with Extended Inner   
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner
Part Number: SWR4-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$645.59 AUD
$1,365.48 AUD $645.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x15.875x4.978 mm / 5.771 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
15.875
mm
+ 0.000 / - 0.0075
(Equiv. 0.625 in.)
Width (B)
4.978
mm
+ 0.000 / - 0.125
(Equiv. 0.196 in.)
Inner Ring Width (Bn)
5.771
mm
Single Row Ball Bearings - 6.35x15.875x4.978 mm / 5.771 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial with Extended Inner   
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner
Part Number: SWR4-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$645.59 AUD
$1,365.48 AUD $645.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x17.462x6.35 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
17.462
mm
Width (B)
6.350
mm
Single Row Ball Bearings - 6.35x17.462x6.35 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R1118-ZZ-ECO (Each)
52 Available Now | Further orders can be expected around Sun, Jul 05, 2026
$3.05 AUD
$3.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 52 available can be backordered.
Single Row Ball Bearings - 6.35x17.462x6.35 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
17.462
mm
Width (B)
6.350
mm
Single Row Ball Bearings - 6.35x17.462x6.35 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R1118-ZZ-ECO (Each)
52 Available Now | Further orders can be expected around Sun, Jul 05, 2026
$3.05 AUD
$3.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

52 Available Now. Backorder if more than 52.
Single Row Ball Bearings - 6.35x17.462x7.938 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
17.462
mm
Width (B)
7.938
mm
Single Row Ball Bearings - 6.35x17.462x7.938 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R1118A-2RS-ECO (PK-2)
36 units (72 pcs) Available Now | Further orders can be expected around Sat, Jul 11, 2026
$5.14 AUD
$5.14 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 36 available can be backordered.
Single Row Ball Bearings - 6.35x17.462x7.938 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
17.462
mm
Width (B)
7.938
mm
Single Row Ball Bearings - 6.35x17.462x7.938 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R1118A-2RS-ECO (PK-2)
36 units (72 pcs) Available Now | Further orders can be expected around Sat, Jul 11, 2026
$5.14 AUD
$5.14 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

36 units (72 pcs) Available Now. Backorder if more than 36.
Single Row Ball Bearings - 6.35x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
19.000
mm
Width (B)
6.000
mm
Single Row Ball Bearings - 6.35x19x6 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Deleted Item. Available while stocks last.
Part Number: 626-8-ZZ-ECO (PK-5)
129 units (645 pcs) Available Now | Item Discontinued - Up to 129 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.59 AUD
$5.81 AUD $2.59 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

129 units (645 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6.35x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
19.000
mm
Width (B)
6.000
mm
Single Row Ball Bearings - 6.35x19x6 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Deleted Item. Available while stocks last.
Part Number: 626-8-ZZ-ECO (PK-5)
129 units (645 pcs) Available Now | Item Discontinued - Up to 129 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.59 AUD
$5.81 AUD $2.59 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

129 units (645 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
ID (d)
6.350
mm
+ 0.076 / - 0.000
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.076
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.127 / - 0.000
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Precision Grade: Semi-Precision    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 316 Stainless
Part Number: S316-R4-12G (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 26, 2026
$91.59 AUD
$109.91 AUD $91.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
ID (d)
6.350
mm
+ 0.076 / - 0.000
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.076
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.127 / - 0.000
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Precision Grade: Semi-Precision    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 316 Stainless
Part Number: S316-R4-12G (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 26, 2026
$91.59 AUD
$109.91 AUD $91.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Stainless Steel AISI 440C Bearing
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: SR4-12A-ZZ-MC3 (Each)
69 Available Now | Further orders can be expected around Sun, Jul 05, 2026
$13.68 AUD
$13.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 69 available can be backordered.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Stainless Steel AISI 440C Bearing
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: SR4-12A-ZZ-MC3 (Each)
69 Available Now | Further orders can be expected around Sun, Jul 05, 2026
$13.68 AUD
$13.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

69 Available Now. Backorder if more than 69.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
19.050
mm
Width (B)
5.556
mm
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R4-12A-ACO-ECO (Each)
1150 Available Now | Further orders can be expected around Sun, Jul 05, 2026
$3.95 AUD
$3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1150 available can be backordered.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
19.050
mm
Width (B)
5.556
mm
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R4-12A-ACO-ECO (Each)
1150 Available Now | Further orders can be expected around Sun, Jul 05, 2026
$3.95 AUD
$3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1150 Available Now. Backorder if more than 1150.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Stainless Steel AISI 440C
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: SR4-12A-MC3-AF12 (Each)
26 Available Now | Further orders can be expected around Sat, Jul 11, 2026
$7.05 AUD
$7.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 26 available can be backordered.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Stainless Steel AISI 440C
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: SR4-12A-MC3-AF12 (Each)
26 Available Now | Further orders can be expected around Sat, Jul 11, 2026
$7.05 AUD
$7.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

26 Available Now. Backorder if more than 26.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Deleted Item. Available while stocks last.
Part Number: R4-12A-MC3-PS2S (PK-2)
13 units (26 pcs) Available Now | Item Discontinued - Up to 13 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.80 AUD
$5.32 AUD $2.80 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

13 units (26 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Deleted Item. Available while stocks last.
Part Number: R4-12A-MC3-PS2S (PK-2)
13 units (26 pcs) Available Now | Item Discontinued - Up to 13 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.80 AUD
$5.32 AUD $2.80 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

13 units (26 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Chrome Steel SAE 52100
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: R4-12A-MC4 (PK-4000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Chrome Steel SAE 52100
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: R4-12A-MC4 (PK-4000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Chrome Steel SAE 52100
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: R4-12A-MC3-AF12 (PK-4000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x19.05x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
19.050
mm
+ 0.000 / - 0.010
(Equiv. 0.75 in.)
Width (B)
5.556
mm
+ 0.000 / - 0.125
(Equiv. 0.219 in.)
Single Row Ball Bearings - 6.35x19.05x5.556 mm - Chrome Steel SAE 52100
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: R4-12A-MC3-AF12 (PK-4000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Fri, Mar 02, 2029