Collection: Bearings

2050 Products in this selection
Combined category including sub-categories of bearings. These include needle roller inner rings, one way, needle roller with inner ring, needle roller without inner ring, plastic, conveyor, pivot, single row ball, grooved od, spherical od, thrust ball, double row ball, thrust ball washers only, thrust roller, yoyo, tapered roller set, tapered roller cup, tapered roller cone, self clinching, spherical od radial ball, angular contact, 4 point contact, special applications, disk cleaning applications, pool equipment, mri tables, special type, and dental applications.
Small Parts & Bearings

Additional resources:

A more comprehensive listing may be found on the MBA Minibearings main store at Bearings.
ID (d) O.D. (D) Width (W) W1 W2 N Indicative
Image
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 (W)
3.571
mm
+ 0.000 / - 0.120
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-5A-ZZ-MC3-JP6 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Stainless Steel AISI 440C Bearing
16 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $15.77 AUD
Regular price Sale price $15.77 AUD
Each
ID (d) O.D. (D) Width (W) W1 Indicative
Image
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 (W)
3.571
mm
+ 0.000 / - 0.120
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-5A-ZZ-MC3-JP6 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Stainless Steel AISI 440C Bearing
16 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $15.77 AUD
Regular price Sale price $15.77 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
+ 0.000 / - 0.005
(Equiv. 0.125 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (W)
3.571
mm
+ 0.000 / - 0.040
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Type: Abec 5   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-5A-FF-MC34-GR5-R-L23 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
21 Available Now | Further orders can be expected around Sun, Aug 23, 2026
Regular price $37.23 AUD
Regular price $44.67 AUD Sale price $37.23 AUD
Each
ID (d)
3.175
mm
+ 0.000 / - 0.005
(Equiv. 0.125 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (W)
3.571
mm
+ 0.000 / - 0.040
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Type: Abec 5   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-5A-FF-MC34-GR5-R-L23 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
21 Available Now | Further orders can be expected around Sun, Aug 23, 2026
Regular price $37.23 AUD
Regular price $44.67 AUD Sale price $37.23 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
+ 0.000 / - 0.005
(Equiv. 0.125 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-5A-ZZS-MC34-AF12 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Stainless Steel AISI 440C Bearing
571 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $8.05 AUD
Regular price Sale price $8.05 AUD
Each
ID (d)
3.175
mm
+ 0.000 / - 0.005
(Equiv. 0.125 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-5A-ZZS-MC34-AF12 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Stainless Steel AISI 440C Bearing
571 Available Now | Further orders can be expected around Sat, Jul 25, 2026
Regular price $8.05 AUD
Regular price Sale price $8.05 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.571
mm
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-5A-2RS-ECO (Each) 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 Sat, Aug 08, 2026
Regular price $15.77 AUD
Regular price $18.93 AUD Sale price $15.77 AUD
Each
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.571
mm
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-5A-2RS-ECO (Each) 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 Sat, Aug 08, 2026
Regular price $15.77 AUD
Regular price $18.93 AUD Sale price $15.77 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.571
mm
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-5A-ZZS-ECO (PK-50) 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 Sat, Jul 25, 2026
Regular price $51.32 AUD
Regular price Sale price $51.32 AUD
Per 50
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.571
mm
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-5A-ZZS-ECO (PK-50) 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 Sat, Jul 25, 2026
Regular price $51.32 AUD
Regular price Sale price $51.32 AUD
Per 50
View the product page first if you are unsure.
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 (W)
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    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-5A-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
129 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $6.59 AUD
Regular price Sale price $6.59 AUD
Each
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 (W)
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    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-5A-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Unflanged - Chrome Steel SAE 52100 Bearing
129 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $6.59 AUD
Regular price Sale price $6.59 AUD
Each
View the product page first if you are unsure.
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
W2
9.119
mm
N
0.787
mm
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR2-5A-ZZ-MC3-AF12 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Flanged - Stainless Steel AISI 440C 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 $5.89 AUD
Regular price $7.07 AUD Sale price $5.89 AUD
Each
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    W2: 9.119 mm    N: 0.787 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR2-5A-ZZ-MC3-AF12 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Flanged - Stainless Steel AISI 440C 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 $5.89 AUD
Regular price $7.07 AUD Sale price $5.89 AUD
Each
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
W2
9.119
mm
N
0.787
mm
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR2-5A-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Flanged - Stainless Steel AISI 440C Bearing
91 Available Now | Item Discontinued - Up to 91 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $9.60 AUD Sale price $8.00 AUD
Each
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    W2: 9.119 mm    N: 0.787 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR2-5A-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x7.938x3.571 mm Flanged - Stainless Steel AISI 440C Bearing
91 Available Now | Item Discontinued - Up to 91 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $9.60 AUD Sale price $8.00 AUD
Each
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
W2
9.119
mm
N
0.787
mm
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: FR2-5A-ZZ-MC3 (PK-2) Single Row Ball Bearings - 3.175x7.938x3.571 mm Flanged - Chrome Steel SAE 52100 Bearing
1 pack (2 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.09 AUD
Regular price $13.88 AUD Sale price $4.09 AUD
Per 2
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 (W)
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    W2: 9.119 mm    N: 0.787 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: FR2-5A-ZZ-MC3 (PK-2) Single Row Ball Bearings - 3.175x7.938x3.571 mm Flanged - Chrome Steel SAE 52100 Bearing
1 pack (2 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.09 AUD
Regular price $13.88 AUD Sale price $4.09 AUD
Per 2
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.571
mm
W2
9.119
mm
N
0.787
mm
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: FR2-5A-ZZS-ECO (PK-5) Single Row Ball Bearings - 3.175x7.938x3.571 mm Flanged - Chrome Steel SAE 52100 Bearing
51 units (255 pcs) Available Now | Item Discontinued - Up to 51 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.21 AUD
Regular price $15.89 AUD Sale price $5.21 AUD
Per 5
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.571
mm
Single Row Ball Bearings - 3.175x7.938x3.571 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    W2: 9.119 mm    N: 0.787 mm    Type: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: FR2-5A-ZZS-ECO (PK-5) Single Row Ball Bearings - 3.175x7.938x3.571 mm Flanged - Chrome Steel SAE 52100 Bearing
51 units (255 pcs) Available Now | Item Discontinued - Up to 51 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.21 AUD
Regular price $15.89 AUD Sale price $5.21 AUD
Per 5
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.572
mm
Dental Applications Bearings - 3.175x7.938x3.572 mm

Category:
Part Number: SR2-5A-D17-CSN-ZS-KC (Each) Dental Applications Bearings - 3.175x7.938x3.572 mm
2 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $32.59 AUD
Regular price Sale price $32.59 AUD
Each
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.572
mm
Dental Applications Bearings - 3.175x7.938x3.572 mm

Category:
Part Number: SR2-5A-D17-CSN-ZS-KC (Each) Dental Applications Bearings - 3.175x7.938x3.572 mm
2 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $32.59 AUD
Regular price Sale price $32.59 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.572
mm
Dental Applications Bearings - 3.175x7.938x3.572 mm

Category:
Part Number: SR2-5A-D17-ZS-TO (Each) Dental Applications Bearings - 3.175x7.938x3.572 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $25.68 AUD
Regular price Sale price $25.68 AUD
Each
ID (d)
3.175
mm
O.D. (D)
7.938
mm
Width (W)
3.572
mm
Dental Applications Bearings - 3.175x7.938x3.572 mm

Category:
Part Number: SR2-5A-D17-ZS-TO (Each) Dental Applications Bearings - 3.175x7.938x3.572 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $25.68 AUD
Regular price Sale price $25.68 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
+ 0.000 / - 0.005
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.005
(Equiv. 0.375 in.)
Width (W)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.175x9.525x2.779 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Type: Abec 5   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-6-MC34-GR5-R-G58 (Each) Single Row Ball Bearings - 3.175x9.525x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
16 Available Now | Further orders can be expected around Sun, Aug 23, 2026
Regular price $35.14 AUD
Regular price $42.16 AUD Sale price $35.14 AUD
Each
ID (d)
3.175
mm
+ 0.000 / - 0.005
(Equiv. 0.125 in.)
O.D. (D)
9.525
mm
+ 0.000 / - 0.005
(Equiv. 0.375 in.)
Width (W)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.175x9.525x2.779 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Type: Abec 5   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-6-MC34-GR5-R-G58 (Each) Single Row Ball Bearings - 3.175x9.525x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
16 Available Now | Further orders can be expected around Sun, Aug 23, 2026
Regular price $35.14 AUD
Regular price $42.16 AUD Sale price $35.14 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
O.D. (D)
9.525
mm
Width (W)
2.779
mm
Single Row Ball Bearings - 3.175x9.525x2.779 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-6-CSN-ZZS-ECO (Each) Single Row Ball Bearings - 3.175x9.525x2.779 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
1 Available Now | Further orders can be expected around Sat, Aug 08, 2026
Regular price $32.95 AUD
Regular price $60.51 AUD Sale price $32.95 AUD
Each
ID (d)
3.175
mm
O.D. (D)
9.525
mm
Width (W)
2.779
mm
Single Row Ball Bearings - 3.175x9.525x2.779 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-6-CSN-ZZS-ECO (Each) Single Row Ball Bearings - 3.175x9.525x2.779 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
1 Available Now | Further orders can be expected around Sat, Aug 08, 2026
Regular price $32.95 AUD
Regular price $60.51 AUD Sale price $32.95 AUD
Each
View the product page first if you are unsure.
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
W1
4.366
mm
Single Row Ball Bearings - 3.175x9.525x3.571 mm / 4.366 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SWR2-6A-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.571 mm / 4.366 mm Unflanged - Stainless Steel AISI 440C Bearing
46 Available Now | Item Discontinued - Up to 46 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $15.00 AUD
Regular price $76.90 AUD Sale price $15.00 AUD
Each
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
W1
4.366
mm
Single Row Ball Bearings - 3.175x9.525x3.571 mm / 4.366 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SWR2-6A-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.571 mm / 4.366 mm Unflanged - Stainless Steel AISI 440C Bearing
46 Available Now | Item Discontinued - Up to 46 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $15.00 AUD
Regular price $76.90 AUD Sale price $15.00 AUD
Each
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
W1
4.366
mm
W2
10.719
mm
N
0.787
mm
Single Row Ball Bearings - 3.175x9.525x3.571 mm / 4.366 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFWR2-6A-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.571 mm / 4.366 mm Flanged - Stainless Steel AISI 440C Bearing
6 Available Now | Item Discontinued - Up to 6 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.29 AUD
Regular price $14.62 AUD Sale price $8.29 AUD
Each
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 (W)
3.571
mm
+ 0.000 / - 0.125
(Equiv. 0.141 in.)
W1
4.366
mm
Single Row Ball Bearings - 3.175x9.525x3.571 mm / 4.366 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    W2: 10.719 mm    N: 0.787 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFWR2-6A-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.571 mm / 4.366 mm Flanged - Stainless Steel AISI 440C Bearing
6 Available Now | Item Discontinued - Up to 6 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.29 AUD
Regular price $14.62 AUD Sale price $8.29 AUD
Each
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 (W)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
Regular price $8.68 AUD
Regular price Sale price $8.68 AUD
Each
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 (W)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
Regular price $8.68 AUD
Regular price Sale price $8.68 AUD
Each
View the product page first if you are unsure.
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 (W)
3.969
mm
+ 0.000 / - 0.120
(Equiv. 0.156 in.)
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-ZZ-MC3-JP6 (PK-50) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
Regular price $412.59 AUD
Regular price Sale price $412.59 AUD
Per 50
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 (W)
3.969
mm
+ 0.000 / - 0.120
(Equiv. 0.156 in.)
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-ZZ-MC3-JP6 (PK-50) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
Regular price $412.59 AUD
Regular price Sale price $412.59 AUD
Per 50
View the product page first if you are unsure.
ID (d)
3.175
mm
O.D. (D)
9.525
mm
Width (W)
3.969
mm
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-ZZS-ECO (PK-100) 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 Sat, Jul 25, 2026
Regular price $68.59 AUD
Regular price $82.31 AUD Sale price $68.59 AUD
Per 100
ID (d)
3.175
mm
O.D. (D)
9.525
mm
Width (W)
3.969
mm
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-ZZS-ECO (PK-100) 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 Sat, Jul 25, 2026
Regular price $68.59 AUD
Regular price $82.31 AUD Sale price $68.59 AUD
Per 100
View the product page first if you are unsure.
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 (W)
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    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-MC3-AF12 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
2 Available Now | Further orders can be expected around Wed, Aug 05, 2026
Regular price $22.50 AUD
Regular price $41.29 AUD Sale price $22.50 AUD
Each
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 (W)
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    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-MC3-AF12 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
2 Available Now | Further orders can be expected around Wed, Aug 05, 2026
Regular price $22.50 AUD
Regular price $41.29 AUD Sale price $22.50 AUD
Each
View the product page first if you are unsure.
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 (W)
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    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-ZZ-MC3 (PK-2) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
5 units (10 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $5.59 AUD
Regular price Sale price $5.59 AUD
Per 2
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 (W)
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    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-ZZ-MC3 (PK-2) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
5 units (10 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $5.59 AUD
Regular price Sale price $5.59 AUD
Per 2
View the product page first if you are unsure.
ID (d)
3.175
mm
O.D. (D)
9.525
mm
Width (W)
3.969
mm
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls
Material: Chrome Steel SAE 52100 - Ceramic Si3N4 Balls    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-CSN-ZZS-ACO-ECO (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
34 Available Now | Item Discontinued - Up to 34 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.04 AUD
Regular price $5.71 AUD Sale price $3.04 AUD
Each
ID (d)
3.175
mm
O.D. (D)
9.525
mm
Width (W)
3.969
mm
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls
Material: Chrome Steel SAE 52100 - Ceramic Si3N4 Balls    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-CSN-ZZS-ACO-ECO (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
34 Available Now | Item Discontinued - Up to 34 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.04 AUD
Regular price $5.71 AUD Sale price $3.04 AUD
Each
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 (W)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-ZZ-MC3-T9H-G36-E (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
60 Available Now | Item Discontinued - Up to 60 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $6.00 AUD
Regular price $11.40 AUD Sale price $6.00 AUD
Each
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 (W)
3.969
mm
+ 0.000 / - 0.125
(Equiv. 0.156 in.)
Single Row Ball Bearings - 3.175x9.525x3.969 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-ZZ-MC3-T9H-G36-E (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing
60 Available Now | Item Discontinued - Up to 60 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $6.00 AUD
Regular price $11.40 AUD Sale price $6.00 AUD
Each
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 (W)
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    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-2RS-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
70 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Each
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 (W)
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    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-2RS-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing
70 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Each
View the product page first if you are unsure.