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 - 4x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 604-2RS-ECO (PK-10)
42 units (420 pcs) Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $10.59 AUD
Regular price Sale price $10.59 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 42 available can be backordered.
ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 4x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
12.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 4x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 604-2RS-ECO (PK-10)
42 units (420 pcs) Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $10.59 AUD
Regular price Sale price $10.59 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

42 units (420 pcs) Available Now. Backorder if more than 42.
Single Row Ball Bearings - 4x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.007
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S604-ZZ-MC3-JP6 (Each)
48 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $5.14 AUD
Regular price Sale price $5.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 48 available can be backordered.
Single Row Ball Bearings - 4x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.007
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S604-ZZ-MC3-JP6 (Each)
48 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $5.14 AUD
Regular price Sale price $5.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

48 Available Now. Backorder if more than 48.
Single Row Ball Bearings - 4x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S604-ZZ-MC3 (Each)
172 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 172 available can be backordered.
Single Row Ball Bearings - 4x12x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S604-ZZ-MC3 (Each)
172 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

172 Available Now. Backorder if more than 172.
Single Row Ball Bearings - 4x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 604-ZZ-MC3 (Each)
113 Available Now | Further orders can be expected around Fri, Jul 03, 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 113 available can be backordered.
Single Row Ball Bearings - 4x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 604-ZZ-MC3 (Each)
113 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

113 Available Now. Backorder if more than 113.
Single Row Ball Bearings - 4x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 604-2RS-MC3 (Each)
3 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 3 available can be backordered.
Single Row Ball Bearings - 4x12x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
12.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.472 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x12x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 604-2RS-MC3 (Each)
3 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $3.59 AUD
Regular price Sale price $3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

3 Available Now. Backorder if more than 3.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded P6 precision stainless steel bearing
Part Number: S624-ZZ-MC3-JP6 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $406.59 AUD
Regular price Sale price $406.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded P6 precision stainless steel bearing
Part Number: S624-ZZ-MC3-JP6 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $406.59 AUD
Regular price Sale price $406.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.004
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.005
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.040
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 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
Deleted Item. Available while stocks last.
Part Number: S624-FF-MC34-GR7-R-G48 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $31.99 AUD
Regular price $82.32 AUD Sale price $31.99 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.004
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.005
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.040
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 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
Deleted Item. Available while stocks last.
Part Number: S624-FF-MC34-GR7-R-G48 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $31.99 AUD
Regular price $82.32 AUD Sale price $31.99 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Deleted Item. Available while stocks last.
Part Number: S624-MC3-JP6-AF12 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.71 AUD
Regular price $4.45 AUD Sale price $3.71 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.007
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.120
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Deleted Item. Available while stocks last.
Part Number: S624-MC3-JP6-AF12 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.71 AUD
Regular price $4.45 AUD Sale price $3.71 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S624-2RS-MC3 (Each)
13 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 13 available can be backordered.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S624-2RS-MC3 (Each)
13 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

13 Available Now. Backorder if more than 13.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded standard stainless steel bearing
Part Number: S624-ZZ-MC3 (Each)
200 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 200 available can be backordered.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Double shielded standard stainless steel bearing
Part Number: S624-ZZ-MC3 (Each)
200 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

200 Available Now. Backorder if more than 200.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 4x13x5 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: 624-2RS-ECO (PK-5)
101 units (505 pcs) Available Now | Item Discontinued - Up to 101 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $4.36 AUD Sale price $3.64 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

101 units (505 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 4x13x5 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: 624-2RS-ECO (PK-5)
101 units (505 pcs) Available Now | Item Discontinued - Up to 101 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $4.36 AUD Sale price $3.64 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

101 units (505 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 624-2RS-MC3 (Each)
106 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 106 available can be backordered.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 624-2RS-MC3 (Each)
106 Available Now | Further orders can be expected around Thu, Jul 09, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

106 Available Now. Backorder if more than 106.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 624-ZZ-MC3 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $5.95 AUD
Regular price Sale price $5.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 624-ZZ-MC3 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026
Regular price $5.95 AUD
Regular price Sale price $5.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 4x13x5 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: 624-ZZS-ECO (PK-5)
36 units (180 pcs) Available Now | Item Discontinued - Up to 36 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.49 AUD
Regular price $6.95 AUD Sale price $3.49 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

36 units (180 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
O.D. (D)
13.000
mm
Width (B)
5.000
mm
Single Row Ball Bearings - 4x13x5 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: 624-ZZS-ECO (PK-5)
36 units (180 pcs) Available Now | Item Discontinued - Up to 36 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.49 AUD
Regular price $6.95 AUD Sale price $3.49 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

36 units (180 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 624-2RU-MC3 (Each)
95 Available Now | Item Discontinued - Up to 95 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.68 AUD
Regular price $5.22 AUD Sale price $2.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

95 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x13x5 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
O.D. (D)
13.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.512 in.)
Width (B)
5.000
mm
+ 0.000 / - 0.125
(Equiv. 0.197 in.)
Single Row Ball Bearings - 4x13x5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 624-2RU-MC3 (Each)
95 Available Now | Item Discontinued - Up to 95 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.68 AUD
Regular price $5.22 AUD Sale price $2.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

95 Available Now. These are priced to quit. Please contact us for a quote if you require more.
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: S634-2RS-MC3 (Each)
32 Available Now | Further orders can be expected around Sat, Sep 12, 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 32 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: S634-2RS-MC3 (Each)
32 Available Now | Further orders can be expected around Sat, Sep 12, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

32 Available Now. Backorder if more than 32.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S634-MC3-JP6-AF12 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.41 AUD
Regular price $4.69 AUD Sale price $2.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 4x16x5 mm Unflanged - Stainless Steel AISI 440C 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 - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S634-MC3-JP6-AF12 (Each)
2 Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.41 AUD
Regular price $4.69 AUD Sale price $2.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 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
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 - 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 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 - 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 - 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.)
1057515 | SR156A-ZZS-MC3-JP6 (Each) --- Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing
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.)
1057515 | SR156A-ZZS-MC3-JP6 (Each) --- Single Row Ball Bearings - 4.763x7.938x3.175 mm Unflanged - Stainless Steel AISI 440C Bearing
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
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
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.