Collection: Bearings - Single Row Ball - Unflanged

Bearings -> Single Row Ball -> Unflanged
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
16.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double black rubber sealed economy bearing
Part Number: 634-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
16.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double black rubber sealed economy bearing
Part Number: 634-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.005
(Equiv. 0.63 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.040
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S634-ZZS-MC34-GR5-R-G48 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,276.32 AUD
Regular price Sale price $1,276.32 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
O.D. (D)
16.000
mm
+ 0.000 / - 0.005
(Equiv. 0.63 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.040
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x16x5 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S634-ZZS-MC34-GR5-R-G48 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,276.32 AUD
Regular price Sale price $1,276.32 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S634-ZZ-MC3 (Each)
100 Available Now | More stock due: 1000 around Fri, Jul 10, 2026 | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 100 available can be backordered.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S634-ZZ-MC3 (Each)
100 Available Now | More stock due: 1000 around Fri, Jul 10, 2026 | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

100 Available Now. Backorder if more than 100.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals 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 - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals
Material: Ceramic Silicon Nitride - PTFE Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: CSN-634-TTS-MC34-TF-DRY (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Aug 10, 2026
Regular price $3,343.50 AUD
Regular price $4,012.20 AUD Sale price $3,343.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals 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 - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals
Material: Ceramic Silicon Nitride - PTFE Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: CSN-634-TTS-MC34-TF-DRY (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Aug 10, 2026
Regular price $3,343.50 AUD
Regular price $4,012.20 AUD Sale price $3,343.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals 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 - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals
Material: Ceramic Silicon Nitride - PTFE Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: CSN-634-TTS-MC34-TF-SRL (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Aug 10, 2026
Regular price $3,343.50 AUD
Regular price $4,012.20 AUD Sale price $3,343.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals 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 - Ceramic Silicon Nitride - PTFE Cage - PTFE Seals
Material: Ceramic Silicon Nitride - PTFE Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: CSN-634-TTS-MC34-TF-SRL (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Aug 10, 2026
Regular price $3,343.50 AUD
Regular price $4,012.20 AUD Sale price $3,343.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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 - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 634-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $412.05 AUD
Regular price $494.45 AUD Sale price $412.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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 - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 634-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $412.05 AUD
Regular price $494.45 AUD Sale price $412.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
16.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Deleted Item. Available while stocks last.
Part Number: 634-ZZ-ECO (PK-5)
77 units (385 pcs) Available Now | Item Discontinued - Up to 77 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.71 AUD
Regular price $8.15 AUD Sale price $3.71 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

77 units (385 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
16.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 4x16x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Deleted Item. Available while stocks last.
Part Number: 634-ZZ-ECO (PK-5)
77 units (385 pcs) Available Now | Item Discontinued - Up to 77 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.71 AUD
Regular price $8.15 AUD Sale price $3.71 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

77 units (385 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
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 - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 634-2RS-MC3 (Each)
7 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 7 available can be backordered.
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 - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 634-2RS-MC3 (Each)
7 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

7 Available Now. Backorder if more than 7.
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   
Category: Bearings - Single Row Ball - Unflanged - Precision
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   
Category: Bearings - Single Row Ball - Unflanged - Precision
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 Wed, Feb 28, 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   
Category: Bearings - Single Row Ball - Unflanged - Precision
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   
Category: Bearings - Single Row Ball - Unflanged - Precision
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 Wed, Feb 28, 2029
Single Row Ball Bearings - 4.763x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.005
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 4.763x7.938x2.779 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156-ZS-MC34-U5-G5 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4.763x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.005
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 4.763x7.938x2.779 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156-ZS-MC34-U5-G5 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029
Single Row Ball Bearings - 4.763x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.005
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 4.763x7.938x2.779 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156-MC34-GR5-R-L23 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,114.68 AUD
Regular price Sale price $1,114.68 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.005
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 4.763x7.938x2.779 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156-MC34-GR5-R-L23 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,114.68 AUD
Regular price Sale price $1,114.68 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.004
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 4.763x7.938x2.779 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156-MC34-GR7-R-L23 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $3,152.41 AUD
Regular price Sale price $3,152.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x2.779 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.004
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
2.779
mm
+ 0.000 / - 0.040
(Equiv. 0.109 in.)
Single Row Ball Bearings - 4.763x7.938x2.779 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156-MC34-GR7-R-L23 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $3,152.41 AUD
Regular price Sale price $3,152.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.007
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded P6 precision stainless steel bearing
Part Number: SR156A-ZZS-MC3-JP6 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 16, 2026
Regular price $15.50 AUD
Regular price $18.60 AUD Sale price $15.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.007
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded P6 precision stainless steel bearing
Part Number: SR156A-ZZS-MC3-JP6 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 16, 2026
Regular price $15.50 AUD
Regular price $18.60 AUD Sale price $15.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.763
mm
O.D. (D)
7.938
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double black rubber sealed economy bearing
Part Number: R156A-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 17, 2026
Regular price $6.77 AUD
Regular price $8.13 AUD Sale price $6.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.763
mm
O.D. (D)
7.938
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double black rubber sealed economy bearing
Part Number: R156A-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 17, 2026
Regular price $6.77 AUD
Regular price $8.13 AUD Sale price $6.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.763
mm
O.D. (D)
7.938
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded economy bearing
Part Number: R156A-ZZS-ECO (PK-2)
262 units (524 pcs) Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 262 available can be backordered.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.763
mm
O.D. (D)
7.938
mm
Width (B)
3.175
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded economy bearing
Part Number: R156A-ZZS-ECO (PK-2)
262 units (524 pcs) Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $3.14 AUD
Regular price Sale price $3.14 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

262 units (524 pcs) Available Now. Backorder if more than 262.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.005
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.040
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156A-ZZS-MC34-GR5-R-L23 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,222.05 AUD
Regular price Sale price $1,222.05 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.005
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.040
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156A-ZZS-MC34-GR5-R-L23 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,222.05 AUD
Regular price Sale price $1,222.05 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.004
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.040
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156A-ZZS-MC34-GR7-R-L23 (PK-44)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $3,044.32 AUD
Regular price Sale price $3,044.32 AUD
Priced, Stocked and Sold Per 44 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.004
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.005
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.040
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: SR156A-ZZS-MC34-GR7-R-L23 (PK-44)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $3,044.32 AUD
Regular price Sale price $3,044.32 AUD
Priced, Stocked and Sold Per 44 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SR156A-ZZS-MC3 (Each)
9 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $3.41 AUD
Regular price Sale price $3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 9 available can be backordered.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SR156A-ZZS-MC3 (Each)
9 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $3.41 AUD
Regular price Sale price $3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

9 Available Now. Backorder if more than 9.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R156A-ZZS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $360.32 AUD
Regular price $432.38 AUD Sale price $360.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R156A-ZZS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $360.32 AUD
Regular price $432.38 AUD Sale price $360.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.007
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R156A-ZZS-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.007
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.007
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.120
(Equiv. 0.125 in.)
Single Row Ball Bearings - 4.763x7.938x3.175 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R156A-ZZS-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Inner Ring Width (Bn)
3.969
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SWR156A-ZZS-ECO (Each)
100 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $3.32 AUD
Regular price Sale price $3.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 100 available can be backordered.
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Inner Ring Width (Bn)
3.969
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SWR156A-ZZS-ECO (Each)
100 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $3.32 AUD
Regular price Sale price $3.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

100 Available Now. Backorder if more than 100.
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Inner Ring Width (Bn)
3.969
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SWR156A-ZZS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $1,692.59 AUD
Regular price Sale price $1,692.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Inner Ring Width (Bn)
3.969
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SWR156A-ZZS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $1,692.59 AUD
Regular price Sale price $1,692.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Inner Ring Width (Bn)
3.969
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SWR156A-ZZS-MC3-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $924.95 AUD
Regular price $1,956.60 AUD Sale price $924.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.763
mm
+ 0.000 / - 0.0075
(Equiv. 0.188 in.)
O.D. (D)
7.938
mm
+ 0.000 / - 0.0075
(Equiv. 0.313 in.)
Width (B)
3.175
mm
+ 0.000 / - 0.125
(Equiv. 0.125 in.)
Inner Ring Width (Bn)
3.969
mm
Single Row Ball Bearings - 4.763x7.938x3.175 mm / 3.969 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SWR156A-ZZS-MC3-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $924.95 AUD
Regular price $1,956.60 AUD Sale price $924.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.