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 - 3x9x3 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)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 3x9x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603-MC3-JP6-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $526.32 AUD
Regular price $631.58 AUD Sale price $526.32 AUD
Priced, Stocked and Sold Per 100 Units
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 - 3x9x3 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)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 3x9x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603-MC3-JP6-AF12 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $526.32 AUD
Regular price $631.58 AUD Sale price $526.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 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: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $192.77 AUD
Regular price $231.33 AUD Sale price $192.77 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: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $192.77 AUD
Regular price $231.33 AUD Sale price $192.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x5 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)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603A-ZZ-ECO (PK-5)
24 units (120 pcs) Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $4.95 AUD
Regular price Sale price $4.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 24 available can be backordered.
Single Row Ball Bearings - 3x9x5 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)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603A-ZZ-ECO (PK-5)
24 units (120 pcs) Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $4.95 AUD
Regular price Sale price $4.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

24 units (120 pcs) Available Now. Backorder if more than 24.
Single Row Ball Bearings - 3x9x3 mm Unflanged - Chrome Steel SAE 52100 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)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 3x9x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603-MC3-JP6-AF12 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3x9x3 mm Unflanged - Chrome Steel SAE 52100 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)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 3x9x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603-MC3-JP6-AF12 (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 - 3x9x4 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)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x9x4 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: MR93A-ZZ-MC3 (Each)
58 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 58 available can be backordered.
Single Row Ball Bearings - 3x9x4 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)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x9x4 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: MR93A-ZZ-MC3 (Each)
58 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

58 Available Now. Backorder if more than 58.
Single Row Ball Bearings - 3x9x4 mm Unflanged - Chrome Steel SAE 52100 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 - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR93A-ZZ-MC3-JP6 (PK-50)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3x9x4 mm Unflanged - Chrome Steel SAE 52100 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 - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR93A-ZZ-MC3-JP6 (PK-50)
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 - 3x9x4 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)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR93A-ZZ-MC3 (Each)
78 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $3.86 AUD
Regular price Sale price $3.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 78 available can be backordered.
Single Row Ball Bearings - 3x9x4 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)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: SMR93A-ZZ-MC3 (Each)
78 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $3.86 AUD
Regular price Sale price $3.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

78 Available Now. Backorder if more than 78.
Single Row Ball Bearings - 3x9x5 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)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603A-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $398.59 AUD
Regular price $478.31 AUD Sale price $398.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x5 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)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603A-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $398.59 AUD
Regular price $478.31 AUD Sale price $398.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x5 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)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603A-ZZ-MC3-JP6 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $583.77 AUD
Regular price $700.53 AUD Sale price $583.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x5 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)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S603A-ZZ-MC3-JP6 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $583.77 AUD
Regular price $700.53 AUD Sale price $583.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x5 mm Unflanged - Chrome Steel SAE 52100 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)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3x9x5 mm Unflanged - Chrome Steel SAE 52100 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)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603A-ZZ-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 - 3x9x5 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)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603A-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $539.68 AUD
Regular price $647.62 AUD Sale price $539.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x9x5 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)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 3x9x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 603A-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $539.68 AUD
Regular price $647.62 AUD Sale price $539.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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: S623-ZZ-MC3-JP6 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $445.50 AUD
Regular price Sale price $445.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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: S623-ZZ-MC3-JP6 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $445.50 AUD
Regular price Sale price $445.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
ID (d)
3.000
mm
+ 0.076 / - 0.000
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.076
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.127 / - 0.000
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S316-623-ZZ (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $291.50 AUD
Regular price Sale price $291.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
ID (d)
3.000
mm
+ 0.076 / - 0.000
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.076
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.127 / - 0.000
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S316-623-ZZ (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $291.50 AUD
Regular price Sale price $291.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
ID (d)
3.000
mm
+ 0.076 / - 0.000
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.076
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.127 / - 0.000
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S316-623-ZZ-GS (Each)
19 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 19 available can be backordered.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
ID (d)
3.000
mm
+ 0.076 / - 0.000
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.076
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.127 / - 0.000
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S316-623-ZZ-GS (Each)
19 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

19 Available Now. Backorder if more than 19.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S623-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $3.32 AUD
Regular price Sale price $3.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S623-ZZ-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $3.32 AUD
Regular price Sale price $3.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Ceramic Silicon Nitride - PEEK Cage - PTFE Seals Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Ceramic Silicon Nitride - PEEK Cage - PTFE Seals
Material: Ceramic Silicon Nitride - PEEK Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Full ceramic with Peek retainer and PTFE Seals
Part Number: CSN-623-TTS-MC34-PK-DRY (Each)
2 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $32.50 AUD
Regular price Sale price $32.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Ceramic Silicon Nitride - PEEK Cage - PTFE Seals Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Ceramic Silicon Nitride - PEEK Cage - PTFE Seals
Material: Ceramic Silicon Nitride - PEEK Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Full ceramic with Peek retainer and PTFE Seals
Part Number: CSN-623-TTS-MC34-PK-DRY (Each)
2 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $32.50 AUD
Regular price Sale price $32.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double black rubber sealed standard stainless steel bearing
Part Number: S623-2RS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $754.77 AUD
Regular price Sale price $754.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double black rubber sealed standard stainless steel bearing
Part Number: S623-2RS-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $754.77 AUD
Regular price Sale price $754.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 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)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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: S623-ZZS-MC34-GR7-R-G48 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,279.59 AUD
Regular price Sale price $1,279.59 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 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)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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: S623-ZZS-MC34-GR7-R-G48 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,279.59 AUD
Regular price Sale price $1,279.59 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 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)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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: S623-FF-MC34-GR5-R-G48 (PK-22)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,131.59 AUD
Regular price Sale price $1,131.59 AUD
Priced, Stocked and Sold Per 22 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 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)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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: S623-FF-MC34-GR5-R-G48 (PK-22)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,131.59 AUD
Regular price Sale price $1,131.59 AUD
Priced, Stocked and Sold Per 22 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x10x4 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: 623-ZZS-ECO (PK-2)
201 units (402 pcs) Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 201 available can be backordered.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x10x4 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: 623-ZZS-ECO (PK-2)
201 units (402 pcs) Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

201 units (402 pcs) Available Now. Backorder if more than 201.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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 bearing with a high speed polyamide retainer and light oil lubricant
Part Number: S623-ZZS-MC3-T9H-AF12 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 16, 2026
Regular price $17.41 AUD
Regular price Sale price $17.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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 bearing with a high speed polyamide retainer and light oil lubricant
Part Number: S623-ZZS-MC3-T9H-AF12 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 16, 2026
Regular price $17.41 AUD
Regular price Sale price $17.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 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)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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: S623-ZZS-MC34-GR5-R-G48 (PK-40)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,720.05 AUD
Regular price Sale price $1,720.05 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 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)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 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: S623-ZZS-MC34-GR5-R-G48 (PK-40)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $1,720.05 AUD
Regular price Sale price $1,720.05 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Special Low Torque design
Part Number: S623-ZZ-MC3-JP6-L45 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 3x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
3.000
mm
+ 0.000 / - 0.007
(Equiv. 0.118 in.)
O.D. (D)
10.000
mm
+ 0.000 / - 0.007
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 3x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Special Low Torque design
Part Number: S623-ZZ-MC3-JP6-L45 (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 - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 623-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
3.000
mm
O.D. (D)
10.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 623-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.