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

Bearings -> Single Row Ball -> Unflanged -> Precision -> Chrome Steel
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
Single Row Ball Bearings - 6x22x7 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
22.000
mm
+ 0.000 / - 0.010
(Equiv. 0.866 in.)
Width (B)
7.000
mm
+ 0.000 / - 0.125
(Equiv. 0.276 in.)
Single Row Ball Bearings - 6x22x7 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Part Number: 636-2RS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 10, 2026
$427.41 AUD
$512.89 AUD $427.41 AUD
Priced, Stocked and Sold Per 100 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 - 6x22x7 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
O.D. (D)
22.000
mm
+ 0.000 / - 0.010
(Equiv. 0.866 in.)
Width (B)
7.000
mm
+ 0.000 / - 0.125
(Equiv. 0.276 in.)
Single Row Ball Bearings - 6x22x7 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Part Number: 636-2RS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 10, 2026
$427.41 AUD
$512.89 AUD $427.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x22x7 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
O.D. (D)
22.000
mm
Width (B)
7.000
mm
Single Row Ball Bearings - 6x22x7 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 636-ZZ-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 10, 2026
$162.86 AUD
$195.44 AUD $162.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6x22x7 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.000
mm
O.D. (D)
22.000
mm
Width (B)
7.000
mm
Single Row Ball Bearings - 6x22x7 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 636-ZZ-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 10, 2026
$162.86 AUD
$195.44 AUD $162.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 6.35x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
9.525
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 6.35x9.525x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Double shielded economy bearing
Part Number: R168-ZZS-ECO (PK-5)
12 units (60 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
$4.95 AUD
$4.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 12 available can be backordered.
Single Row Ball Bearings - 6.35x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
9.525
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 6.35x9.525x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Double shielded economy bearing
Part Number: R168-ZZS-ECO (PK-5)
12 units (60 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
$4.95 AUD
$4.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

12 units (60 pcs) Available Now. Backorder if more than 12.
Single Row Ball Bearings - 6.35x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.0075
(Equiv. 0.375 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 6.35x9.525x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R168-ZZS-MC3 (Each)
213 Available Now | Further orders can be expected around Fri, Jul 10, 2026
$3.95 AUD
$3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 213 available can be backordered.
Single Row Ball Bearings - 6.35x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.0075
(Equiv. 0.375 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 6.35x9.525x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R168-ZZS-MC3 (Each)
213 Available Now | Further orders can be expected around Fri, Jul 10, 2026
$3.95 AUD
$3.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

213 Available Now. Backorder if more than 213.
Single Row Ball Bearings - 6.35x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
9.525
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 6.35x9.525x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RB    Bearing Type: Radial   
Deleted Item. Available while stocks last.
Part Number: R168-2RB-ECO (PK-2)
29 units (58 pcs) Available Now | Item Discontinued - Up to 29 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.89 AUD
$3.47 AUD $2.89 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

29 units (58 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6.35x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
9.525
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 6.35x9.525x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RB    Bearing Type: Radial   
Deleted Item. Available while stocks last.
Part Number: R168-2RB-ECO (PK-2)
29 units (58 pcs) Available Now | Item Discontinued - Up to 29 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.89 AUD
$3.47 AUD $2.89 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

29 units (58 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6.35x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.007
(Equiv. 0.25 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.007
(Equiv. 0.375 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Single Row Ball Bearings - 6.35x9.525x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R168-ZZS-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x9.525x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.007
(Equiv. 0.25 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.007
(Equiv. 0.375 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Single Row Ball Bearings - 6.35x9.525x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R168-ZZS-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Thu, Mar 01, 2029
Single Row Ball Bearings - 6.35x12.7x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
12.700
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 6.35x12.7x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZS    Bearing Type: Radial   
Single shielded economy bearing with a NON-ISO width
Part Number: R188-ZS-ECO (PK-2)
1 pack (2 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
$3.32 AUD
$3.32 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Single Row Ball Bearings - 6.35x12.7x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
12.700
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 6.35x12.7x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZS    Bearing Type: Radial   
Single shielded economy bearing with a NON-ISO width
Part Number: R188-ZS-ECO (PK-2)
1 pack (2 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
$3.32 AUD
$3.32 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (2 pcs) Available Now. Backorder if more than 1.
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
12.700
mm
Width (B)
4.762
mm
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Double shielded economy bearing
Part Number: R188A-ZZS-ECO (PK-2)
277 units (554 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
$2.77 AUD
$2.77 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 277 available can be backordered.
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
12.700
mm
Width (B)
4.762
mm
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Double shielded economy bearing
Part Number: R188A-ZZS-ECO (PK-2)
277 units (554 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
$2.77 AUD
$2.77 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

277 units (554 pcs) Available Now. Backorder if more than 277.
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.0075
(Equiv. 0.5 in.)
Width (B)
4.762
mm
+ 0.000 / - 0.125
(Equiv. 0.187 in.)
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R188A-ZZ-MC3-EZO (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.0075
(Equiv. 0.5 in.)
Width (B)
4.762
mm
+ 0.000 / - 0.125
(Equiv. 0.187 in.)
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R188A-ZZ-MC3-EZO (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Thu, Mar 01, 2029
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.007
(Equiv. 0.25 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.007
(Equiv. 0.5 in.)
Width (B)
4.762
mm
+ 0.000 / - 0.120
(Equiv. 0.187 in.)
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R188A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.007
(Equiv. 0.25 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.007
(Equiv. 0.5 in.)
Width (B)
4.762
mm
+ 0.000 / - 0.120
(Equiv. 0.187 in.)
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R188A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Thu, Mar 01, 2029
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
12.700
mm
Width (B)
4.762
mm
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RB    Bearing Type: Radial   
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing
Part Number: R188A-2RB-ECO (PK-10)
45 units (450 pcs) Available Now | Item Discontinued - Up to 45 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

45 units (450 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
O.D. (D)
12.700
mm
Width (B)
4.762
mm
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RB    Bearing Type: Radial   
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing
Part Number: R188A-2RB-ECO (PK-10)
45 units (450 pcs) Available Now | Item Discontinued - Up to 45 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

45 units (450 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.0075
(Equiv. 0.5 in.)
Width (B)
4.762
mm
+ 0.000 / - 0.125
(Equiv. 0.187 in.)
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R188A-ZZ-MC3 (Each)
53 Available Now | Further orders can be expected around Fri, Jul 10, 2026
$3.86 AUD
$3.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 53 available can be backordered.
Single Row Ball Bearings - 6.35x12.7x4.762 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.0075
(Equiv. 0.5 in.)
Width (B)
4.762
mm
+ 0.000 / - 0.125
(Equiv. 0.187 in.)
Single Row Ball Bearings - 6.35x12.7x4.762 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R188A-ZZ-MC3 (Each)
53 Available Now | Further orders can be expected around Fri, Jul 10, 2026
$3.86 AUD
$3.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

53 Available Now. Backorder if more than 53.
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: ZZ    Bearing Type: Radial   
Double shielded economy bearing
Part Number: R4-ZZ-ECO (PK-5)
1 pack (5 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
$7.14 AUD
$7.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 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: ZZ    Bearing Type: Radial   
Double shielded economy bearing
Part Number: R4-ZZ-ECO (PK-5)
1 pack (5 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
$7.14 AUD
$7.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (5 pcs) Available Now. Backorder if more than 1.
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   
Part Number: R4-2RS-ECO (PK-2)
7 units (14 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 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   
Part Number: R4-2RS-ECO (PK-2)
7 units (14 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 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 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   
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   
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 Thu, Mar 01, 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   
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 Fri, Jul 10, 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   
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 Fri, Jul 10, 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   
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   
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 Thu, Mar 01, 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   
Part Number: R4-2RS-MC3-NSK (Each)
140 Available Now | Further orders can be expected around Sat, Jul 04, 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   
Part Number: R4-2RS-MC3-NSK (Each)
140 Available Now | Further orders can be expected around Sat, Jul 04, 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   
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   
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 Thu, Mar 01, 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   
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   
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 Thu, Mar 01, 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   
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   
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 Thu, Mar 01, 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   
Double rubber sealed standard bearing
Part Number: R4-2RS-MC3 (Each)
186 Available Now | Further orders can be expected around Fri, Jul 10, 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   
Double rubber sealed standard bearing
Part Number: R4-2RS-MC3 (Each)
186 Available Now | Further orders can be expected around Fri, Jul 10, 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 - 6.35x17.462x6.35 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   
Part Number: R1118-ZZ-ECO (Each)
52 Available Now | Further orders can be expected around Sat, Jul 04, 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   
Part Number: R1118-ZZ-ECO (Each)
52 Available Now | Further orders can be expected around Sat, Jul 04, 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   
Part Number: R1118A-2RS-ECO (PK-2)
36 units (72 pcs) Available Now | Further orders can be expected around Fri, Jul 10, 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   
Part Number: R1118A-2RS-ECO (PK-2)
36 units (72 pcs) Available Now | Further orders can be expected around Fri, Jul 10, 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.