Collection: 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 - 2x5x2.3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
2.000
mm
O.D. (D)
5.000
mm
Width (B)
2.300
mm
Single Row Ball Bearings - 2x5x2.3 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: 682A-ZZS-ECO (PK-5)
13 units (65 pcs) Available Now | Further orders can be expected around Mon, Aug 10, 2026
Regular price $6.50 AUD
Regular price Sale price $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 13 available can be backordered.
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 2x5x2.3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
2.000
mm
O.D. (D)
5.000
mm
Width (B)
2.300
mm
Single Row Ball Bearings - 2x5x2.3 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: 682A-ZZS-ECO (PK-5)
13 units (65 pcs) Available Now | Further orders can be expected around Mon, Aug 10, 2026
Regular price $6.50 AUD
Regular price Sale price $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

13 units (65 pcs) Available Now. Backorder if more than 13.
Single Row Ball Bearings - 2x6x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
2.000
mm
O.D. (D)
6.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 2x6x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 692A-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 19, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 2x6x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
2.000
mm
O.D. (D)
6.000
mm
Width (B)
3.000
mm
Single Row Ball Bearings - 2x6x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 692A-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 19, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
Width (B)
2.381
mm
+ 0.000 / - 0.125
(Equiv. 0.094 in.)
Single Row Ball Bearings - 3.175x6.35x2.381 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Part Number: R144-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $372.95 AUD
Regular price $447.55 AUD Sale price $372.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
Width (B)
2.381
mm
+ 0.000 / - 0.125
(Equiv. 0.094 in.)
Single Row Ball Bearings - 3.175x6.35x2.381 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Part Number: R144-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $372.95 AUD
Regular price $447.55 AUD Sale price $372.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.125
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.175x6.35x2.779 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R144A-ZZS-MC3 (Each)
4 Available Now | More stock due: 100 around Sat, Aug 08, 2026 | Further orders can be expected around Sun, Aug 16, 2026
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
6.350
mm
+ 0.000 / - 0.0075
(Equiv. 0.25 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.125
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.175x6.35x2.779 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R144A-ZZS-MC3 (Each)
4 Available Now | More stock due: 100 around Sat, Aug 08, 2026 | Further orders can be expected around Sun, Aug 16, 2026
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
O.D. (D)
6.350
mm
Width (B)
2.779
mm
Single Row Ball Bearings - 3.175x6.35x2.779 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: R144A-ZZS-ECO (PK-2)
57 units (114 pcs) Available Now | Further orders can be expected around Mon, Aug 10, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 57 available can be backordered.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
O.D. (D)
6.350
mm
Width (B)
2.779
mm
Single Row Ball Bearings - 3.175x6.35x2.779 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: R144A-ZZS-ECO (PK-2)
57 units (114 pcs) Available Now | Further orders can be expected around Mon, Aug 10, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

57 units (114 pcs) Available Now. Backorder if more than 57.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
6.350
mm
+ 0.000 / - 0.007
(Equiv. 0.25 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.120
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.175x6.35x2.779 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R144A-ZZS-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
6.350
mm
+ 0.000 / - 0.007
(Equiv. 0.25 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.120
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.175x6.35x2.779 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R144A-ZZS-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Sat, Apr 07, 2029
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 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: R2-5A-ZZ-MC3 (Each)
129 Available Now | Further orders can be expected around Sun, Aug 16, 2026
Regular price $6.59 AUD
Regular price Sale price $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 129 available can be backordered.
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 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: R2-5A-ZZ-MC3 (Each)
129 Available Now | Further orders can be expected around Sun, Aug 16, 2026
Regular price $6.59 AUD
Regular price Sale price $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

129 Available Now. Backorder if more than 129.
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (B)
3.571
mm
+ 0.000 / - 0.120
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R2-5A-ZZ-MC3-JP6 (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (B)
3.571
mm
+ 0.000 / - 0.120
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R2-5A-ZZ-MC3-JP6 (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Sat, Apr 07, 2029
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.0075
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Part Number: R2-MC3-AF12 (Each)
2 Available Now | Further orders can be expected around Fri, Aug 21, 2026
Regular price $22.50 AUD
Regular price $41.29 AUD Sale price $22.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.0075
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Part Number: R2-MC3-AF12 (Each)
2 Available Now | Further orders can be expected around Fri, Aug 21, 2026
Regular price $22.50 AUD
Regular price $41.29 AUD Sale price $22.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.0075
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 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: R2-ZZ-MC3 (PK-2)
5 units (10 pcs) Available Now | Further orders can be expected around Sun, Aug 16, 2026
Regular price $5.59 AUD
Regular price Sale price $5.59 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 5 available can be backordered.
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.0075
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 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: R2-ZZ-MC3 (PK-2)
5 units (10 pcs) Available Now | Further orders can be expected around Sun, Aug 16, 2026
Regular price $5.59 AUD
Regular price Sale price $5.59 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (10 pcs) Available Now. Backorder if more than 5.
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.0075
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 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: R2-2RS-MC3 (Each)
70 Available Now | Further orders can be expected around Sun, Aug 16, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 70 available can be backordered.
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.0075
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 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: R2-2RS-MC3 (Each)
70 Available Now | Further orders can be expected around Sun, Aug 16, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

70 Available Now. Backorder if more than 70.
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.007
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.120
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: 2RU    Bearing Type: Radial   
Deleted Item. Available while stocks last.
Part Number: R2-2RU-MC3-JP6-PS2 (Each)
27 Available Now | Item Discontinued - Up to 27 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.26 AUD
Regular price $3.92 AUD Sale price $3.26 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

27 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.007
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.120
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: 2RU    Bearing Type: Radial   
Deleted Item. Available while stocks last.
Part Number: R2-2RU-MC3-JP6-PS2 (Each)
27 Available Now | Item Discontinued - Up to 27 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.26 AUD
Regular price $3.92 AUD Sale price $3.26 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

27 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.007
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.120
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R2-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.007
(Equiv. 0.375 in.)
Width (B)
3.969
mm
+ 0.000 / - 0.120
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R2-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Sat, Apr 07, 2029
Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.0075
(Equiv. 0.5 in.)
Width (B)
4.366
mm
+ 0.000 / - 0.125
(Equiv. 0.172 in.)
Single Row Ball Bearings - 3.175x12.7x4.366 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R2-8A-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $505.32 AUD
Regular price $606.38 AUD Sale price $505.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.0075
(Equiv. 0.5 in.)
Width (B)
4.366
mm
+ 0.000 / - 0.125
(Equiv. 0.172 in.)
Single Row Ball Bearings - 3.175x12.7x4.366 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R2-8A-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $505.32 AUD
Regular price $606.38 AUD Sale price $505.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.007
(Equiv. 0.5 in.)
Width (B)
4.366
mm
+ 0.000 / - 0.120
(Equiv. 0.172 in.)
Single Row Ball Bearings - 3.175x12.7x4.366 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R2-8A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.007
(Equiv. 0.5 in.)
Width (B)
4.366
mm
+ 0.000 / - 0.120
(Equiv. 0.172 in.)
Single Row Ball Bearings - 3.175x12.7x4.366 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: R2-8A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Sat, Apr 07, 2029
Single Row Ball Bearings - 3.5x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.500
mm
O.D. (D)
9.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3.5x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Deleted Item. Available while stocks last.
Part Number: MR935-ZZ-ECO (PK-10)
88 units (880 pcs) Available Now | Item Discontinued - Up to 88 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

88 units (880 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.5x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.500
mm
O.D. (D)
9.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3.5x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZ    Bearing Type: Radial   
Deleted Item. Available while stocks last.
Part Number: MR935-ZZ-ECO (PK-10)
88 units (880 pcs) Available Now | Item Discontinued - Up to 88 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

88 units (880 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.969
mm
O.D. (D)
7.938
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: TTS    Bearing Type: Radial   
Deleted Item. Available while stocks last. Double PTFE low-friction sealed economy bearing
Part Number: R155A-TTS-ECO (Each)
320 Available Now | Item Discontinued - Up to 320 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.00 AUD
Regular price $5.70 AUD Sale price $3.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

320 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.969
mm
O.D. (D)
7.938
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: TTS    Bearing Type: Radial   
Deleted Item. Available while stocks last. Double PTFE low-friction sealed economy bearing
Part Number: R155A-TTS-ECO (Each)
320 Available Now | Item Discontinued - Up to 320 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.00 AUD
Regular price $5.70 AUD Sale price $3.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

320 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.969
mm
+ 0.000 / - 0.0075
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Double shielded standard bearing
Part Number: R155A-ZZS-MC3 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $149.95 AUD
Regular price $179.95 AUD Sale price $149.95 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.969
mm
+ 0.000 / - 0.0075
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Double shielded standard bearing
Part Number: R155A-ZZS-MC3 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $149.95 AUD
Regular price $179.95 AUD Sale price $149.95 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x6x2 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 3x6x2 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Open standard bearing with low-torque light oil lubricant
Part Number: MR63-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $268.32 AUD
Regular price $321.98 AUD Sale price $268.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x6x2 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
6.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.236 in.)
Width (B)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
Single Row Ball Bearings - 3x6x2 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Open standard bearing with low-torque light oil lubricant
Part Number: MR63-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $268.32 AUD
Regular price $321.98 AUD Sale price $268.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.969
mm
+ 0.000 / - 0.007
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R155A-ZZS-MC3-JP6 (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.969
mm
+ 0.000 / - 0.007
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R155A-ZZS-MC3-JP6 (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Sat, Apr 07, 2029
Single Row Ball Bearings - 3x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (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.)
Single Row Ball Bearings - 3x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Non ISO Width
Part Number: 693-ZZS-MC3 (Each)
Out of Stock | Backorder Now | More stock due: 200 around Sat, Aug 08, 2026 | Further orders can be expected around Sun, Aug 16, 2026
Regular price $6.23 AUD
Regular price Sale price $6.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (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.)
Single Row Ball Bearings - 3x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Non ISO Width
Part Number: 693-ZZS-MC3 (Each)
Out of Stock | Backorder Now | More stock due: 200 around Sat, Aug 08, 2026 | Further orders can be expected around Sun, Aug 16, 2026
Regular price $6.23 AUD
Regular price Sale price $6.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Double black rubber sealed economy bearing
Part Number: 693A-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 19, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Double black rubber sealed economy bearing
Part Number: 693A-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 19, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (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.)
Single Row Ball Bearings - 3x9x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Open standard bearing with low-torque light oil lubricant
Part Number: MR93-MC3-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $537.68 AUD
Regular price $645.22 AUD Sale price $537.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (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.)
Single Row Ball Bearings - 3x9x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Open standard bearing with low-torque light oil lubricant
Part Number: MR93-MC3-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 16, 2026
Regular price $537.68 AUD
Regular price $645.22 AUD Sale price $537.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Part Number: 623-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 19, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Part Number: 623-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 19, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.