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)
9.525
mm
+ 0.000 / - 0.007
(Equiv. 0.375 in.)
Width (W)
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    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-2RU-MC3-JP6-PS2 (Each) 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
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)
9.525
mm
+ 0.000 / - 0.007
(Equiv. 0.375 in.)
Width (W)
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    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R2-2RU-MC3-JP6-PS2 (Each) 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
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.)
W2
11.176
mm
N
0.762
mm
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 - Flanged
Part Number: SFR2-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Flanged - Stainless Steel AISI 440C Bearing
668 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 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    W2: 11.176 mm    N: 0.762 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR2-ZZ-MC3 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm Flanged - Stainless Steel AISI 440C Bearing
668 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 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.)
W1
4.762
mm
W2
11.176
mm
N
0.762
mm
Single Row Ball Bearings - 3.175x9.525x3.969 mm / 4.762 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFWR2-ZZ-MC3-JP6 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm / 4.762 mm Flanged - Stainless Steel AISI 440C Bearing
17 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $9.50 AUD
Regular price Sale price $9.50 AUD
Each
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.)
W1
4.762
mm
Single Row Ball Bearings - 3.175x9.525x3.969 mm / 4.762 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    W2: 11.176 mm    N: 0.762 mm    Type: P6   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFWR2-ZZ-MC3-JP6 (Each) Single Row Ball Bearings - 3.175x9.525x3.969 mm / 4.762 mm Flanged - Stainless Steel AISI 440C Bearing
17 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $9.50 AUD
Regular price Sale price $9.50 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)
10.795
mm
+ 0.000 / - 0.005
(Equiv. 0.425 in.)
Width (W)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.175x10.795x2.779 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: SMR108-032-ZZS-MC34-GR5-R-G48 (Each) Single Row Ball Bearings - 3.175x10.795x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
9 Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $27.19 AUD
Regular price $69.32 AUD Sale price $27.19 AUD
Each
ID (d)
3.175
mm
+ 0.000 / - 0.005
(Equiv. 0.125 in.)
O.D. (D)
10.795
mm
+ 0.000 / - 0.005
(Equiv. 0.425 in.)
Width (W)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.175x10.795x2.779 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: SMR108-032-ZZS-MC34-GR5-R-G48 (Each) Single Row Ball Bearings - 3.175x10.795x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
9 Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $27.19 AUD
Regular price $69.32 AUD Sale price $27.19 AUD
Each
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.007
(Equiv. 0.5 in.)
Width (W)
4.366
mm
+ 0.000 / - 0.120
(Equiv. 0.172 in.)
Single Row Ball Bearings - 3.175x12.7x4.366 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-8A-ZZ-MC3-JP6 (Each) Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Stainless Steel AISI 440C Bearing
66 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Each
ID (d)
3.175
mm
+ 0.000 / - 0.007
(Equiv. 0.125 in.)
O.D. (D)
12.700
mm
+ 0.000 / - 0.007
(Equiv. 0.5 in.)
Width (W)
4.366
mm
+ 0.000 / - 0.120
(Equiv. 0.172 in.)
Single Row Ball Bearings - 3.175x12.7x4.366 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR2-8A-ZZ-MC3-JP6 (Each) Single Row Ball Bearings - 3.175x12.7x4.366 mm Unflanged - Stainless Steel AISI 440C Bearing
66 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Each
View the product page first if you are unsure.
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 (W)
2.381
mm
+ 0.000 / - 0.040
(Equiv. 0.094 in.)
Dental Applications Bearings - 3.175x6.35x2.381 mm - Stainless Steel AISI 440C - Dental Special Bearing
Material: Stainless Steel AISI 440C - Dental Special    Type: Abec 7   
Category:
Part Number: SR144-D28 (Each) Dental Applications Bearings - 3.175x6.35x2.381 mm - Stainless Steel AISI 440C - Dental Special Bearing
Out of Stock | Item Discontinued - Please contact us if you need a large quantity
Regular price $16.00 AUD
Regular price $30.40 AUD Sale price $16.00 AUD
Each
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 (W)
2.381
mm
+ 0.000 / - 0.040
(Equiv. 0.094 in.)
Dental Applications Bearings - 3.175x6.35x2.381 mm - Stainless Steel AISI 440C - Dental Special Bearing
Material: Stainless Steel AISI 440C - Dental Special    Type: Abec 7   
Category:
Part Number: SR144-D28 (Each) Dental Applications Bearings - 3.175x6.35x2.381 mm - Stainless Steel AISI 440C - Dental Special Bearing
Out of Stock | Item Discontinued - Please contact us if you need a large quantity
Regular price $16.00 AUD
Regular price $30.40 AUD Sale price $16.00 AUD
Each
ID (d)
3.175
mm
O.D. (D)
6.350
mm
Width (W)
2.381
mm
W1
2.778
mm
Dental Applications Bearings - 3.175x6.35x2.381 mm / 2.778 mm

Category:
Part Number: BKUSG1451XSP (Each) Dental Applications Bearings - 3.175x6.35x2.381 mm / 2.778 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $41.32 AUD
Regular price Sale price $41.32 AUD
Each
ID (d)
3.175
mm
O.D. (D)
6.350
mm
Width (W)
2.381
mm
W1
2.778
mm
Dental Applications Bearings - 3.175x6.35x2.381 mm / 2.778 mm

Category:
Part Number: BKUSG1451XSP (Each) Dental Applications Bearings - 3.175x6.35x2.381 mm / 2.778 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $41.32 AUD
Regular price Sale price $41.32 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
O.D. (D)
6.350
mm
Width (W)
2.778
mm
Dental Applications Bearings - 3.175x6.35x2.778 mm

Category:
Part Number: BKUSG1295XCP (Each) Dental Applications Bearings - 3.175x6.35x2.778 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $48.77 AUD
Regular price Sale price $48.77 AUD
Each
ID (d)
3.175
mm
O.D. (D)
6.350
mm
Width (W)
2.778
mm
Dental Applications Bearings - 3.175x6.35x2.778 mm

Category:
Part Number: BKUSG1295XCP (Each) Dental Applications Bearings - 3.175x6.35x2.778 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $48.77 AUD
Regular price Sale price $48.77 AUD
Each
View the product page first if you are unsure.
ID (d)
3.175
mm
O.D. (D)
6.350
mm
Width (W)
2.778
mm
Dental Applications Bearings - 3.175x6.35x2.778 mm

Category:
Part Number: BKUSG1295XSP (Each) Dental Applications Bearings - 3.175x6.35x2.778 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $35.59 AUD
Regular price Sale price $35.59 AUD
Each
ID (d)
3.175
mm
O.D. (D)
6.350
mm
Width (W)
2.778
mm
Dental Applications Bearings - 3.175x6.35x2.778 mm

Category:
Part Number: BKUSG1295XSP (Each) Dental Applications Bearings - 3.175x6.35x2.778 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $35.59 AUD
Regular price Sale price $35.59 AUD
Each
View the product page first if you are unsure.
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 (W)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Dental Applications Bearings - 3.175x6.35x2.779 mm - Stainless Steel AISI 440C - High Speed Phenolic Cage - Dental Special Bearing
Material: Stainless Steel AISI 440C - High Speed Phenolic Cage - Dental Special    Type: Abec 7 - Optimyn Dental Bearing   
Category:
Part Number: SR144A-D27-ZS-KC (Each) Dental Applications Bearings - 3.175x6.35x2.779 mm - Stainless Steel AISI 440C - High Speed Phenolic Cage - Dental Special Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $11.59 AUD
Regular price $20.97 AUD Sale price $11.59 AUD
Each
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 (W)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Dental Applications Bearings - 3.175x6.35x2.779 mm - Stainless Steel AISI 440C - High Speed Phenolic Cage - Dental Special Bearing
Material: Stainless Steel AISI 440C - High Speed Phenolic Cage - Dental Special    Type: Abec 7 - Optimyn Dental Bearing   
Category:
Part Number: SR144A-D27-ZS-KC (Each) Dental Applications Bearings - 3.175x6.35x2.779 mm - Stainless Steel AISI 440C - High Speed Phenolic Cage - Dental Special Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $11.59 AUD
Regular price $20.97 AUD Sale price $11.59 AUD
Each
View the product page first if you are unsure.
ID (d)
3.400
mm
O.D. (D)
6.500
mm
Width (W)
1.600
mm
Dental Applications Bearings - 3.4x6.5x1.6 mm

Category:
Part Number: SMR6.50-3.40-CSN-ZZS-MC3-TO (Each) Dental Applications Bearings - 3.4x6.5x1.6 mm
2 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $42.50 AUD
Regular price Sale price $42.50 AUD
Each
ID (d)
3.400
mm
O.D. (D)
6.500
mm
Width (W)
1.600
mm
Dental Applications Bearings - 3.4x6.5x1.6 mm

Category:
Part Number: SMR6.50-3.40-CSN-ZZS-MC3-TO (Each) Dental Applications Bearings - 3.4x6.5x1.6 mm
2 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $42.50 AUD
Regular price Sale price $42.50 AUD
Each
View the product page first if you are unsure.
ID (d)
3.500
mm
O.D. (D)
6.500
mm
Width (W)
2.000
mm
Dental Applications Bearings - 3.5x6.5x2 mm

Category:
Part Number: SMR6.50-3.50A-CSN-ZZS-MC3-TO (Each) Dental Applications Bearings - 3.5x6.5x2 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $74.68 AUD
Regular price Sale price $74.68 AUD
Each
ID (d)
3.500
mm
O.D. (D)
6.500
mm
Width (W)
2.000
mm
Dental Applications Bearings - 3.5x6.5x2 mm

Category:
Part Number: SMR6.50-3.50A-CSN-ZZS-MC3-TO (Each) Dental Applications Bearings - 3.5x6.5x2 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $74.68 AUD
Regular price Sale price $74.68 AUD
Each
View the product page first if you are unsure.
ID (d)
3.500
mm
O.D. (D)
9.000
mm
Width (W)
4.000
mm
Single Row Ball Bearings - 3.5x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR935-ZZ-ECO (PK-10) Single Row Ball Bearings - 3.5x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
88 units (880 pcs) Available Now | Item Discontinued - Up to 88 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
ID (d)
3.500
mm
O.D. (D)
9.000
mm
Width (W)
4.000
mm
Single Row Ball Bearings - 3.5x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR935-ZZ-ECO (PK-10) Single Row Ball Bearings - 3.5x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
88 units (880 pcs) Available Now | Item Discontinued - Up to 88 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
ID (d)
3.750
mm
O.D. (D)
6.588
mm
Width (W)
1.750
mm
Dental Replacement Parts - Application Brand NSK® Bearing for Headgear 6
Material: Ceramic Hybrid or Torlon Cage    Type: Abec 7   
Category:
Part Number: SMR6.588-3.75-D1614-CSN-TO (Each) Dental Applications Bearings - 3.75x6.588x1.75 mm - Ceramic Hybrid or Torlon Cage Replacement
1 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $58.41 AUD
Regular price Sale price $58.41 AUD
Each
ID (d)
3.750
mm
O.D. (D)
6.588
mm
Width (W)
1.750
mm
Dental Replacement Parts - Application Brand NSK® Bearing for Headgear 6
Material: Ceramic Hybrid or Torlon Cage    Type: Abec 7   
Category:
Part Number: SMR6.588-3.75-D1614-CSN-TO (Each) Dental Applications Bearings - 3.75x6.588x1.75 mm - Ceramic Hybrid or Torlon Cage Replacement
1 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $58.41 AUD
Regular price Sale price $58.41 AUD
Each
View the product page first if you are unsure.
ID (d)
3.969
mm
O.D. (D)
7.144
mm
Width (W)
6.350
mm
W1
127
mm
W2
195
mm
N
8000
mm
Needle Roller without Inner Ring Bearings - 3.969x7.144x6.35 mm / 127 mm - Chrome Steel Shell
Material: Chrome Steel    Max RPM in Air: 11000    Type: None   
Category: Bearings - Needle Roller without Inner Ring - Shell Type
Part Number: NSO-0040-0071-0064-FCEP (Each) Needle Roller without Inner Ring Bearings - 3.969x7.144x6.35 mm / 127 Kgf Shell Type - Chrome Steel Bearing
1 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $25.95 AUD
Regular price $47.68 AUD Sale price $25.95 AUD
Each
ID (d)
3.969
mm
O.D. (D)
7.144
mm
Width (W)
6.350
mm
W1
127
mm
Needle Roller without Inner Ring Bearings - 3.969x7.144x6.35 mm / 127 mm - Chrome Steel Shell
Material: Chrome Steel    W2: 195 mm    N: 8000 mm    Max RPM in Air: 11000    Type: None   
Category: Bearings - Needle Roller without Inner Ring - Shell Type
Part Number: NSO-0040-0071-0064-FCEP (Each) Needle Roller without Inner Ring Bearings - 3.969x7.144x6.35 mm / 127 Kgf Shell Type - Chrome Steel Bearing
1 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $25.95 AUD
Regular price $47.68 AUD Sale price $25.95 AUD
Each
View the product page first if you are unsure.
ID (d)
3.969
mm
+ 0.000 / - 0.0075
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (W)
2.779
mm
+ 0.000 / - 0.125
(Equiv. 0.109 in.)
W2
9.119
mm
N
0.584
mm
Single Row Ball Bearings - 3.969x7.938x2.779 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR155-MC3 (Each) Single Row Ball Bearings - 3.969x7.938x2.779 mm Flanged - Stainless Steel AISI 440C Bearing
12 Available Now | Item Discontinued - Up to 12 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.74 AUD
Regular price $10.72 AUD Sale price $5.74 AUD
Each
ID (d)
3.969
mm
+ 0.000 / - 0.0075
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (W)
2.779
mm
+ 0.000 / - 0.125
(Equiv. 0.109 in.)
Single Row Ball Bearings - 3.969x7.938x2.779 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    W2: 9.119 mm    N: 0.584 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR155-MC3 (Each) Single Row Ball Bearings - 3.969x7.938x2.779 mm Flanged - Stainless Steel AISI 440C Bearing
12 Available Now | Item Discontinued - Up to 12 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.74 AUD
Regular price $10.72 AUD Sale price $5.74 AUD
Each
ID (d)
3.969
mm
+ 0.000 / - 0.007
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (W)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR155A-ZZS-MC3-JP6 (Each) Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $15.50 AUD
Regular price $18.60 AUD Sale price $15.50 AUD
Each
ID (d)
3.969
mm
+ 0.000 / - 0.007
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (W)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Material: Stainless Steel AISI 440C    Type: P6   
Category: Bearings - Single Row Ball - Unflanged
Part Number: SR155A-ZZS-MC3-JP6 (Each) Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $15.50 AUD
Regular price $18.60 AUD Sale price $15.50 AUD
Each
View the product page first if you are unsure.
ID (d)
3.969
mm
O.D. (D)
7.938
mm
Width (W)
3.175
mm
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R155A-TTS-ECO (Each) Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
320 Available Now | Item Discontinued - Up to 320 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.00 AUD
Regular price $5.70 AUD Sale price $3.00 AUD
Each
ID (d)
3.969
mm
O.D. (D)
7.938
mm
Width (W)
3.175
mm
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Type: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: R155A-TTS-ECO (Each) Single Row Ball Bearings - 3.969x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
320 Available Now | Item Discontinued - Up to 320 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.00 AUD
Regular price $5.70 AUD Sale price $3.00 AUD
Each
ID (d)
3.969
mm
+ 0.000 / - 0.0075
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (W)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
W2
9.119
mm
N
0.914
mm
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR155A-ZZS-MC3 (Each) Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing
20 Available Now | Item Discontinued - Up to 20 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.77 AUD
Regular price $10.73 AUD Sale price $3.77 AUD
Each
ID (d)
3.969
mm
+ 0.000 / - 0.0075
(Equiv. 0.156 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (W)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 3.969x7.938x3.175 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    W2: 9.119 mm    N: 0.914 mm    Type: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: SFR155A-ZZS-MC3 (Each) Single Row Ball Bearings - 3.969x7.938x3.175 mm Flanged - Stainless Steel AISI 440C Bearing
20 Available Now | Item Discontinued - Up to 20 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.77 AUD
Regular price $10.73 AUD Sale price $3.77 AUD
Each
ID (d)
3.970
mm
O.D. (D)
7.140
mm
Width (W)
6.350
mm
W1
199
mm
W2
198
mm
N
6050
mm
Needle Roller without Inner Ring Bearings - 3.97x7.14x6.35 mm / 199 mm - Chrome Steel Shell
Material: Chrome Steel    Max RPM in Air: 11000    Type: None   
Category: Bearings - Needle Roller without Inner Ring - Shell Type
Part Number: NSO-0040-0071-0064-FC (Each) Needle Roller without Inner Ring Bearings - 3.97x7.14x6.35 mm / 199 Kgf Shell Type - Chrome Steel Bearing
5 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $7.77 AUD
Regular price $13.96 AUD Sale price $7.77 AUD
Each
ID (d)
3.970
mm
O.D. (D)
7.140
mm
Width (W)
6.350
mm
W1
199
mm
Needle Roller without Inner Ring Bearings - 3.97x7.14x6.35 mm / 199 mm - Chrome Steel Shell
Material: Chrome Steel    W2: 198 mm    N: 6050 mm    Max RPM in Air: 11000    Type: None   
Category: Bearings - Needle Roller without Inner Ring - Shell Type
Part Number: NSO-0040-0071-0064-FC (Each) Needle Roller without Inner Ring Bearings - 3.97x7.14x6.35 mm / 199 Kgf Shell Type - Chrome Steel Bearing
5 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $7.77 AUD
Regular price $13.96 AUD Sale price $7.77 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.005
(Equiv. 0.276 in.)
Width (W)
1.600
mm
+ 0.000 / - 0.040
(Equiv. 0.063 in.)
Single Row Ball Bearings - 4x7x1.6 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: SMR74D-MC3-GR5-L23 (Each) Single Row Ball Bearings - 4x7x1.6 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
10 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $10.68 AUD
Regular price $12.82 AUD Sale price $10.68 AUD
Each
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.005
(Equiv. 0.276 in.)
Width (W)
1.600
mm
+ 0.000 / - 0.040
(Equiv. 0.063 in.)
Single Row Ball Bearings - 4x7x1.6 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: SMR74D-MC3-GR5-L23 (Each) Single Row Ball Bearings - 4x7x1.6 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
10 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $10.68 AUD
Regular price $12.82 AUD Sale price $10.68 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (W)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
1051118 | CZR-MR74-MC34-TF-DRY (PK-10) --- Single Row Ball Bearings - 4x7x2 mm Unflanged - Ceramic Zirconia - PTFE Cage - ZRO2 Balls Bearing
Material: Ceramic Zirconia - PTFE Cage - ZRO2 Balls    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CZR-MR74-MC34-TF-DRY (PK-10) Single Row Ball Bearings - 4x7x2 mm Unflanged - Ceramic Zirconia - PTFE Cage - ZRO2 Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 25, 2026
Regular price $244.95 AUD
Regular price Sale price $244.95 AUD
Per 10
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
7.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.276 in.)
Width (W)
2.000
mm
+ 0.000 / - 0.125
(Equiv. 0.079 in.)
1051118 | CZR-MR74-MC34-TF-DRY (PK-10) --- Single Row Ball Bearings - 4x7x2 mm Unflanged - Ceramic Zirconia - PTFE Cage - ZRO2 Balls Bearing
Material: Ceramic Zirconia - PTFE Cage - ZRO2 Balls    Type: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CZR-MR74-MC34-TF-DRY (PK-10) Single Row Ball Bearings - 4x7x2 mm Unflanged - Ceramic Zirconia - PTFE Cage - ZRO2 Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 25, 2026
Regular price $244.95 AUD
Regular price Sale price $244.95 AUD
Per 10
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
7.000
mm
Width (W)
2.000
mm
Dental Applications Bearings - 4x7x2 mm

Category:
Part Number: SMR74-CSN-TH7-TO (Each) Dental Applications Bearings - 4x7x2 mm
4 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $30.86 AUD
Regular price Sale price $30.86 AUD
Each
ID (d)
4.000
mm
O.D. (D)
7.000
mm
Width (W)
2.000
mm
Dental Applications Bearings - 4x7x2 mm

Category:
Part Number: SMR74-CSN-TH7-TO (Each) Dental Applications Bearings - 4x7x2 mm
4 Available Now | Further orders can be expected around Fri, Aug 07, 2026
Regular price $30.86 AUD
Regular price Sale price $30.86 AUD
Each
View the product page first if you are unsure.
ID (d)
4.000
mm
O.D. (D)
7.000
mm
Width (W)
2.000
mm
Dental Applications Bearings - 4x7x2 mm

Category:
Part Number: SMR74-CSN-J3-TO (Each) Dental Applications Bearings - 4x7x2 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $44.95 AUD
Regular price Sale price $44.95 AUD
Each
ID (d)
4.000
mm
O.D. (D)
7.000
mm
Width (W)
2.000
mm
Dental Applications Bearings - 4x7x2 mm

Category:
Part Number: SMR74-CSN-J3-TO (Each) Dental Applications Bearings - 4x7x2 mm
Out of Stock | Backorder Now | Orders can be expected around Fri, Aug 07, 2026
Regular price $44.95 AUD
Regular price Sale price $44.95 AUD
Each
View the product page first if you are unsure.