Collection: Bearings - Single Row Ball - Unflanged - Precision

Bearings -> Single Row Ball -> Unflanged -> Precision
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR84A-ZZ-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR84A-ZZ-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-DRY (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC3-DRY (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC34-NMB (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-ZZ-MC34-NMB (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: TTS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-TTS-MC3 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: TTS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: S684A-TTS-MC3 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 684A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 684A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: MR104A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC2-JP6-SRL (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x11x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.007
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 694-ZZ-MC2-JP6-SRL (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x11x4 mm Unflanged - Ceramic Zirconia - PEEK Cage - Polypropylene Seals Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Ceramic Zirconia - PEEK Cage - Polypropylene Seals
Material: Ceramic Zirconia - PEEK Cage - Polypropylene Seals    Precision Grade: Abec 1    Closure Type: PPS (Polypropylene Seals)    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic ZrO2
Part Number: CZR-694-PPS-MC34-PK-SRL (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x11x4 mm Unflanged - Ceramic Zirconia - PEEK Cage - Polypropylene Seals Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
11.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.433 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x11x4 mm - Ceramic Zirconia - PEEK Cage - Polypropylene Seals
Material: Ceramic Zirconia - PEEK Cage - Polypropylene Seals    Precision Grade: Abec 1    Closure Type: PPS (Polypropylene Seals)    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic ZrO2
Part Number: CZR-694-PPS-MC34-PK-SRL (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.007
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 604-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.007
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 604-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (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 - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 624-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (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 - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 624-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.007
(Equiv. 0.63 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 634-ZZ-MC3-JP6 (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.007
(Equiv. 0.63 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 634-ZZ-MC3-JP6 (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 634-ZZ-MC2 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.63 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1    Closure Type: ZZ    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: 634-ZZ-MC2 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Stainless Steel AISI 440C 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)
2.381
mm
+ 0.000 / - 0.120
(Equiv. 0.094 in.)
Single Row Ball Bearings - 3.175x6.35x2.381 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Open P6 precision bearing with low-torque retainer and light oil lubricant
Part Number: SR144-MC3-JP6-AF12 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Sep 01, 2026
Regular price $450.95 AUD
Regular price Sale price $450.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Stainless Steel AISI 440C 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)
2.381
mm
+ 0.000 / - 0.120
(Equiv. 0.094 in.)
Single Row Ball Bearings - 3.175x6.35x2.381 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Open P6 precision bearing with low-torque retainer and light oil lubricant
Part Number: SR144-MC3-JP6-AF12 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Sep 01, 2026
Regular price $450.95 AUD
Regular price Sale price $450.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Deleted Item. Available while stocks last.
Part Number: SR144-MC3-AF12 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.76 AUD
Regular price $6.72 AUD Sale price $5.76 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Deleted Item. Available while stocks last.
Part Number: SR144-MC3-AF12 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.76 AUD
Regular price $6.72 AUD Sale price $5.76 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
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   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R144-MC3-AF12 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Sep 01, 2026
Regular price $380.95 AUD
Regular price $455.55 AUD Sale price $380.95 AUD
Priced, Stocked and Sold Per pack of 50
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   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R144-MC3-AF12 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Sep 01, 2026
Regular price $380.95 AUD
Regular price $455.55 AUD Sale price $380.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.004
(Equiv. 0.125 in.)
O.D. (D)
6.350
mm
+ 0.000 / - 0.005
(Equiv. 0.25 in.)
Width (B)
2.381
mm
+ 0.000 / - 0.040
(Equiv. 0.094 in.)
Inner Ring Width (Bn)
2.779 Extended Back Only
mm
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Precision Grade: Abec 7    Closure Type: wZ    Bearing Type: Radial with Extended Inner   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid
Single shielded dental special angular contact ceramic-hybrid bearing with extended inner ring and high speed Torlon retainer
Part Number: SWR144-D28W-CSN-Z-TO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Sep 08, 2026
Regular price $41.86 AUD
Regular price Sale price $41.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
ID (d)
3.175
mm
+ 0.000 / - 0.004
(Equiv. 0.125 in.)
O.D. (D)
6.350
mm
+ 0.000 / - 0.005
(Equiv. 0.25 in.)
Width (B)
2.381
mm
+ 0.000 / - 0.040
(Equiv. 0.094 in.)
Inner Ring Width (Bn)
2.779 Extended Back Only
mm
Single Row Ball Bearings - 3.175x6.35x2.381 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Precision Grade: Abec 7    Closure Type: wZ    Bearing Type: Radial with Extended Inner   
Category: Bearings - Single Row Ball - Unflanged - Precision - Ceramic Hybrid
Single shielded dental special angular contact ceramic-hybrid bearing with extended inner ring and high speed Torlon retainer
Part Number: SWR144-D28W-CSN-Z-TO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Sep 08, 2026
Regular price $41.86 AUD
Regular price Sale price $41.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SR144A-ZZS-MC3 (Each)
141 Available Now | Further orders can be expected around Tue, Sep 01, 2026
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 141 available can be backordered.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SR144A-ZZS-MC3 (Each)
141 Available Now | Further orders can be expected around Tue, Sep 01, 2026
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

141 Available Now. Backorder if more than 141.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Deleted Item. Available while stocks last.
Part Number: SR144A-MC3-JP6-AF12 (Each)
55 Available Now | Item Discontinued - Up to 55 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.76 AUD
Regular price $6.72 AUD Sale price $5.76 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

55 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: Open    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Deleted Item. Available while stocks last.
Part Number: SR144A-MC3-JP6-AF12 (Each)
55 Available Now | Item Discontinued - Up to 55 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.76 AUD
Regular price $6.72 AUD Sale price $5.76 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

55 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SR144A-ZZS-MC3-JP6 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Sep 01, 2026
Regular price $506.23 AUD
Regular price $605.87 AUD Sale price $506.23 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.779 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6    Closure Type: ZZS    Bearing Type: Radial   
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless
Part Number: SR144A-ZZS-MC3-JP6 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Sep 01, 2026
Regular price $506.23 AUD
Regular price $605.87 AUD Sale price $506.23 AUD
Priced, Stocked and Sold Per pack of 100
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
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   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double shielded economy bearing
Part Number: R144A-ZZS-ECO (Pack of 2)
57 units (114 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Priced, Stocked and Sold Per pack of 2
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   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Double shielded economy bearing
Part Number: R144A-ZZS-ECO (Pack of 2)
57 units (114 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Priced, Stocked and Sold Per pack of 2
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 / - 0.0075
(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   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R144A-ZZS-MC3 (Each)
4 Available Now | More stock due: 100 around Wed, Aug 19, 2026 | Further orders can be expected around Tue, Sep 01, 2026
Regular price $5.68 AUD
Regular price Sale price $5.68 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   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R144A-ZZS-MC3 (Each)
4 Available Now | More stock due: 100 around Wed, Aug 19, 2026 | Further orders can be expected around Tue, Sep 01, 2026
Regular price $5.68 AUD
Regular price Sale price $5.68 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
+ 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   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R144A-ZZS-MC3-JP6 (Pack of 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   
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel
Part Number: R144A-ZZS-MC3-JP6 (Pack of 100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 23, 2029
Single Row Ball Bearings - 3.175x6.35x2.779 mm / 3.571 mm Unflanged - Stainless Steel AISI 440C 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.)
Inner Ring Width (Bn)
3.571
mm
Single Row Ball Bearings - 3.175x6.35x2.779 mm / 3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial with Extended Inner   
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner
Part Number: SWR144A-ZZS-MC3 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 06, 2026
Regular price $32.50 AUD
Regular price $61.17 AUD Sale price $32.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3.175x6.35x2.779 mm / 3.571 mm Unflanged - Stainless Steel AISI 440C 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.)
Inner Ring Width (Bn)
3.571
mm
Single Row Ball Bearings - 3.175x6.35x2.779 mm / 3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1    Closure Type: ZZS    Bearing Type: Radial with Extended Inner   
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner
Part Number: SWR144A-ZZS-MC3 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 06, 2026
Regular price $32.50 AUD
Regular price $61.17 AUD Sale price $32.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.