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

Bearings -> Single Row Ball -> Unflanged -> Precision -> Chrome Steel
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
ID (d)
3.000
mm

(Equiv. 0.118 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Part Number: 623-ZZS-ECO (2 Pcs)
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
251 units (502 pcs) Available Now | Further orders can be expected around Fri, Nov 21, 2025
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

251 units (502 pcs) Available Now. Backorder if more than 251.
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Indicative
Image
ID (d)
3.000
mm

(Equiv. 0.118 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Part Number: 623-ZZS-ECO (2 Pcs)
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
251 units (502 pcs) Available Now | Further orders can be expected around Fri, Nov 21, 2025
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

251 units (502 pcs) Available Now. Backorder if more than 251.
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Part Number: 623-2RS-MC3 (100 Pcs)
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $801.59 AUD
Regular price Sale price $801.59 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: 2RS    Bearing Type: Radial   
Part Number: 623-2RS-MC3 (100 Pcs)
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $801.59 AUD
Regular price Sale price $801.59 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 623-ZZ-MC4-AF12 (100 Pcs)
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $592.68 AUD
Regular price $711.22 AUD Sale price $592.68 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 623-ZZ-MC4-AF12 (100 Pcs)
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $592.68 AUD
Regular price $711.22 AUD Sale price $592.68 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 623-ZZ-MC3
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
967 Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $3.86 AUD
Regular price Sale price $3.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

967 Available Now. Backorder if more than 967.
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 623-ZZ-MC3
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
967 Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $3.86 AUD
Regular price Sale price $3.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

967 Available Now. Backorder if more than 967.
ID (d)
3.000
mm

(Equiv. 0.118 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
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
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 30, 2025
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm

(Equiv. 0.118 in.)
OD (D)
10.000
mm

(Equiv. 0.394 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
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
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 30, 2025
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm

(Equiv. 0.118 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
5.000
mm

(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2GS    Bearing Type: Radial   
Part Number: 633-2RG-ECO
Single Row Ball Bearings - 3x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 05, 2025
Regular price $22.41 AUD
Regular price $26.89 AUD Sale price $22.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm

(Equiv. 0.118 in.)
OD (D)
13.000
mm

(Equiv. 0.512 in.)
Width (B)
5.000
mm

(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2GS    Bearing Type: Radial   
Part Number: 633-2RG-ECO
Single Row Ball Bearings - 3x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 05, 2025
Regular price $22.41 AUD
Regular price $26.89 AUD Sale price $22.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
OD (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 633-ZZ-MC3
Single Row Ball Bearings - 3x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
18 Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $5.95 AUD
Regular price Sale price $5.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

18 Available Now. Backorder if more than 18.
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
OD (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 633-ZZ-MC3
Single Row Ball Bearings - 3x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
18 Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $5.95 AUD
Regular price Sale price $5.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

18 Available Now. Backorder if more than 18.
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
OD (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 633-ZZ-MC3-JP6 (20 Pcs)
Single Row Ball Bearings - 3x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $140.59 AUD
Regular price Sale price $140.59 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
OD (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Part Number: 633-ZZ-MC3-JP6 (20 Pcs)
Single Row Ball Bearings - 3x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $140.59 AUD
Regular price Sale price $140.59 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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 (50 Pcs)
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $372.95 AUD
Regular price $447.55 AUD Sale price $372.95 AUD
50 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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 (50 Pcs)
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $372.95 AUD
Regular price $447.55 AUD Sale price $372.95 AUD
50 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm

(Equiv. 0.125 in.)
OD (D)
6.350
mm

(Equiv. 0.25 in.)
Width (B)
2.779
mm

(Equiv. 0.109 in.)
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   
Part Number: R144A-ZZS-ECO (2 Pcs)
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
85 units (170 pcs) Available Now | Further orders can be expected around Fri, Nov 21, 2025
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

85 units (170 pcs) Available Now. Backorder if more than 85.
ID (d)
3.175
mm

(Equiv. 0.125 in.)
OD (D)
6.350
mm

(Equiv. 0.25 in.)
Width (B)
2.779
mm

(Equiv. 0.109 in.)
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   
Part Number: R144A-ZZS-ECO (2 Pcs)
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
85 units (170 pcs) Available Now | Further orders can be expected around Fri, Nov 21, 2025
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

85 units (170 pcs) Available Now. Backorder if more than 85.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | More stock due: 88 around Thu, Nov 06, 2025 | Further orders can be expected around Thu, Nov 27, 2025
Regular price $8.77 AUD
Regular price Sale price $8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | More stock due: 88 around Thu, Nov 06, 2025 | Further orders can be expected around Thu, Nov 27, 2025
Regular price $8.77 AUD
Regular price Sale price $8.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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 (100 Pcs)
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $621.77 AUD
Regular price $746.13 AUD Sale price $621.77 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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 (100 Pcs)
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $621.77 AUD
Regular price $746.13 AUD Sale price $621.77 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm

(Equiv. 0.125 in.)
OD (D)
7.938
mm

(Equiv. 0.313 in.)
Width (B)
3.571
mm

(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R2-5A-ZZS-ECO (50 Pcs)
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Nov 21, 2025
Regular price $55.68 AUD
Regular price Sale price $55.68 AUD
50 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm

(Equiv. 0.125 in.)
OD (D)
7.938
mm

(Equiv. 0.313 in.)
Width (B)
3.571
mm

(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R2-5A-ZZS-ECO (50 Pcs)
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Nov 21, 2025
Regular price $55.68 AUD
Regular price Sale price $55.68 AUD
50 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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 (20 Pcs)
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $141.14 AUD
Regular price $169.36 AUD Sale price $141.14 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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 (20 Pcs)
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $141.14 AUD
Regular price $169.36 AUD Sale price $141.14 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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   
Part Number: R2-5A-ZZ-MC3
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
153 Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $7.50 AUD
Regular price Sale price $7.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

153 Available Now. Backorder if more than 153.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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   
Part Number: R2-5A-ZZ-MC3
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
153 Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $7.50 AUD
Regular price Sale price $7.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

153 Available Now. Backorder if more than 153.
ID (d)
3.175
mm

(Equiv. 0.125 in.)
OD (D)
7.938
mm

(Equiv. 0.313 in.)
Width (B)
3.571
mm

(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Part Number: R2-5A-2RS-ECO
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 05, 2025
Regular price $15.77 AUD
Regular price $18.93 AUD Sale price $15.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm

(Equiv. 0.125 in.)
OD (D)
7.938
mm

(Equiv. 0.313 in.)
Width (B)
3.571
mm

(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: 2RS    Bearing Type: Radial   
Part Number: R2-5A-2RS-ECO
Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Dec 05, 2025
Regular price $15.77 AUD
Regular price $18.93 AUD Sale price $15.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm

(Equiv. 0.125 in.)
OD (D)
9.525
mm

(Equiv. 0.375 in.)
Width (B)
3.969
mm

(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R2-ZZS-ECO (100 Pcs)
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Nov 21, 2025
Regular price $74.23 AUD
Regular price $89.07 AUD Sale price $74.23 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm

(Equiv. 0.125 in.)
OD (D)
9.525
mm

(Equiv. 0.375 in.)
Width (B)
3.969
mm

(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy    Closure Type: ZZS    Bearing Type: Radial   
Part Number: R2-ZZS-ECO (100 Pcs)
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Nov 21, 2025
Regular price $74.23 AUD
Regular price $89.07 AUD Sale price $74.23 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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   
Part Number: R2-2RS-MC3
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
83 Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

83 Available Now. Backorder if more than 83.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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   
Part Number: R2-2RS-MC3
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
83 Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

83 Available Now. Backorder if more than 83.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
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.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
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.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
2 Available Now | Further orders can be expected around Tue, Dec 02, 2025
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.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
2 Available Now | Further orders can be expected around Tue, Dec 02, 2025
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.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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   
Part Number: R2-ZZ-MC3 (2 Pcs)
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
6 units (12 pcs) Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $6.41 AUD
Regular price Sale price $6.41 AUD
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (12 pcs) Available Now. Backorder if more than 6.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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   
Part Number: R2-ZZ-MC3 (2 Pcs)
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
6 units (12 pcs) Available Now | Further orders can be expected around Thu, Nov 27, 2025
Regular price $6.41 AUD
Regular price Sale price $6.41 AUD
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (12 pcs) Available Now. Backorder if more than 6.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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 (100 Pcs)
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $454.14 AUD
Regular price $544.96 AUD Sale price $454.14 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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 (100 Pcs)
Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $454.14 AUD
Regular price $544.96 AUD Sale price $454.14 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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 (100 Pcs)
Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $505.32 AUD
Regular price $606.38 AUD Sale price $505.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
OD (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 (100 Pcs)
Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $505.32 AUD
Regular price $606.38 AUD Sale price $505.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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 (100 Pcs)
Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $505.32 AUD
Regular price $606.38 AUD Sale price $505.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
3.175
mm
+ 0.000 / - 0.0075
(Equiv. 0.125 in.)
OD (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 (100 Pcs)
Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Nov 27, 2025
Regular price $505.32 AUD
Regular price $606.38 AUD Sale price $505.32 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.