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 - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded economy ceramic-hybrid stainless steel bearing
Part Number: S693A-CSN-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 16, 2026
Regular price $19.05 AUD
Regular price $22.85 AUD Sale price $19.05 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 - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded economy ceramic-hybrid stainless steel bearing
Part Number: S693A-CSN-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 16, 2026
Regular price $19.05 AUD
Regular price $22.85 AUD Sale price $19.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.008
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Ceramic Silicon Nitride - PTFE Cage
Material: Ceramic Silicon Nitride - PTFE Cage    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: CSN-693A-TTS-TF-DRY (PK-10)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 02, 2026
Regular price $257.95 AUD
Regular price $309.55 AUD Sale price $257.95 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Ceramic Silicon Nitride - PTFE Cage Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.008
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Ceramic Silicon Nitride - PTFE Cage
Material: Ceramic Silicon Nitride - PTFE Cage    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: CSN-693A-TTS-TF-DRY (PK-10)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 02, 2026
Regular price $257.95 AUD
Regular price $309.55 AUD Sale price $257.95 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 693A-ZZ-ECO (Each)
11 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $2.86 AUD
Regular price Sale price $2.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 11 available can be backordered.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 693A-ZZ-ECO (Each)
11 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $2.86 AUD
Regular price Sale price $2.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

11 Available Now. Backorder if more than 11.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 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: 693A-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 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: 693A-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S693A-ZZ-MC3 (Each)
236 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 236 available can be backordered.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S693A-ZZ-MC3 (Each)
236 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

236 Available Now. Backorder if more than 236.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded bearing with special low torque light oil lubricant
Part Number: S693A-ZZ-MC3-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $729.14 AUD
Regular price $874.96 AUD Sale price $729.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded bearing with special low torque light oil lubricant
Part Number: S693A-ZZ-MC3-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $729.14 AUD
Regular price $874.96 AUD Sale price $729.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Flange Diameter (DF)
9.500
Flange Width (BF)
0.900
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF693A-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $4.23 AUD
Regular price $8.01 AUD Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Flanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
O.D. (D)
8.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 9.500    Flange Width (BF): 0.900    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF693A-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
Regular price $4.23 AUD
Regular price $8.01 AUD Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.005
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 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: S693A-FF-MC34-GR5-R-L23 (Each)
9 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $36.50 AUD
Regular price $43.80 AUD Sale price $36.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 9 available can be backordered.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.005
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 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: S693A-FF-MC34-GR5-R-L23 (Each)
9 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $36.50 AUD
Regular price $43.80 AUD Sale price $36.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

9 Available Now. Backorder if more than 9.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.005
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: P5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S693A-ZZS-MC34-P5P-R-AF12 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 31, 2026
Regular price $1,049.14 AUD
Regular price Sale price $1,049.14 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.005
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: P5   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S693A-ZZS-MC34-P5P-R-AF12 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 31, 2026
Regular price $1,049.14 AUD
Regular price Sale price $1,049.14 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.004
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - High Speed Polyamide Cage
Material: Stainless Steel AISI 440C - High Speed Polyamide Cage    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded high speed stainless steel bearing with Polyamide retainer
Part Number: S693A-ZZS-MC3-T9H (Each)
191 Available Now | Further orders can be expected around Thu, Jul 02, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 191 available can be backordered.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.004
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - High Speed Polyamide Cage
Material: Stainless Steel AISI 440C - High Speed Polyamide Cage    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded high speed stainless steel bearing with Polyamide retainer
Part Number: S693A-ZZS-MC3-T9H (Each)
191 Available Now | Further orders can be expected around Thu, Jul 02, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

191 Available Now. Backorder if more than 191.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 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: S693A-ZZ-MC3-JP6 (PK-200)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $904.95 AUD
Regular price $1,085.95 AUD Sale price $904.95 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 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: S693A-ZZ-MC3-JP6 (PK-200)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $904.95 AUD
Regular price $1,085.95 AUD Sale price $904.95 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S693A-ZZ-MC3-L23 (PK-5000)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $18,198.95 AUD
Regular price $21,838.75 AUD Sale price $18,198.95 AUD
Priced, Stocked and Sold Per 5000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S693A-ZZ-MC3-L23 (PK-5000)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $18,198.95 AUD
Regular price $21,838.75 AUD Sale price $18,198.95 AUD
Priced, Stocked and Sold Per 5000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.004
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.004
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: P4   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S693A-ZZS-MC34-P4P-R-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 31, 2026
Regular price $2,969.05 AUD
Regular price Sale price $2,969.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.004
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.004
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque    Precision Grade: P4   
Category: Bearings - Single Row Ball - Unflanged - High Precision
Part Number: S693A-ZZS-MC34-P4P-R-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 31, 2026
Regular price $2,969.05 AUD
Regular price Sale price $2,969.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.004
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 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: S693A-FF-MC34-GR7-R-L23 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 31, 2026
Regular price $2,969.05 AUD
Regular price Sale price $2,969.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.004
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.005
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 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: S693A-FF-MC34-GR7-R-L23 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 31, 2026
Regular price $2,969.05 AUD
Regular price Sale price $2,969.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded standard bearing
Part Number: 693A-ZZ-MC3 (Each)
158 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 158 available can be backordered.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded standard bearing
Part Number: 693A-ZZ-MC3 (Each)
158 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

158 Available Now. Backorder if more than 158.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 693A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 693A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Tue, Feb 27, 2029
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Special Low Noise Grease (Alvania RS)
Part Number: 693A-ZZ-MC3-JP6-AVRS (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Special Low Noise Grease (Alvania RS)
Part Number: 693A-ZZ-MC3-JP6-AVRS (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Tue, Feb 27, 2029
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 693A-ZZ-MC4-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $590.95 AUD
Regular price $709.15 AUD Sale price $590.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 693A-ZZ-MC4-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $590.95 AUD
Regular price $709.15 AUD Sale price $590.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 3x9x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Open standard bearing with low-torque light oil lubricant
Part Number: MR93-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $269.14 AUD
Regular price $322.96 AUD Sale price $269.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 3x9x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Open standard bearing with low-torque light oil lubricant
Part Number: MR93-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $269.14 AUD
Regular price $322.96 AUD Sale price $269.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 3x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Open stainless steel bearing with low-torque light oil lubricant
Part Number: SMR93-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $291.23 AUD
Regular price $349.47 AUD Sale price $291.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 3x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Open stainless steel bearing with low-torque light oil lubricant
Part Number: SMR93-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $291.23 AUD
Regular price $349.47 AUD Sale price $291.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 3x9x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Non ISO Width
Part Number: 603-ZZ-ECO (PK-2)
42 units (84 pcs) Available Now | Further orders can be expected around Thu, Jul 02, 2026
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 42 available can be backordered.
Single Row Ball Bearings - 3x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 3x9x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Non ISO Width
Part Number: 603-ZZ-ECO (PK-2)
42 units (84 pcs) Available Now | Further orders can be expected around Thu, Jul 02, 2026
Regular price $3.50 AUD
Regular price Sale price $3.50 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

42 units (84 pcs) Available Now. Backorder if more than 42.
Single Row Ball Bearings - 3x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x9x4 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: SMR93A-ZZ-MC3-JP6 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $316.50 AUD
Regular price Sale price $316.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x9x4 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: SMR93A-ZZ-MC3-JP6 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 08, 2026
Regular price $316.50 AUD
Regular price Sale price $316.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 3x9x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603-MC3-AF12 (Each)
70 Available Now | Further orders can be expected around Wed, Jul 08, 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 70 available can be backordered.
Single Row Ball Bearings - 3x9x3 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 3x9x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603-MC3-AF12 (Each)
70 Available Now | Further orders can be expected around Wed, Jul 08, 2026
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

70 Available Now. Backorder if more than 70.
Single Row Ball Bearings - 3x9x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
O.D. (D)
9.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 3x9x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603A-ZZ-ECO (Each)
97 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $4.05 AUD
Regular price Sale price $4.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 97 available can be backordered.
Single Row Ball Bearings - 3x9x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
O.D. (D)
9.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 3x9x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603A-ZZ-ECO (Each)
97 Available Now | Further orders can be expected around Sat, Jul 11, 2026
Regular price $4.05 AUD
Regular price Sale price $4.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

97 Available Now. Backorder if more than 97.