| ID (d) | O.D. (D) | Width (B) | Inner Ring Width (Bn) | Flange Diameter (DF) | Flange Width (BF) |
Indicative Image |
|---|---|---|---|---|---|---|
| Single Row Ball Bearings - 6.35x12.7x4.762 mm / 5.556 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
12.700
mm |
Width (B)
4.762
mm |
Inner Ring Width (Bn)
5.556
mm |
|
||
|
Material: Stainless Steel AISI 440C
Precision Grade: Economy
Closure Type: ZZ
Bearing Type: Radial with Extended Inner
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner |
||||||
|
Part Number: SWR188A-ZZS-ECO (Each)
46 Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$5.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| ID (d) | O.D. (D) | Width (B) | Inner Ring Width (Bn) |
Indicative Image |
||
| Single Row Ball Bearings - 6.35x12.7x4.762 mm / 5.556 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
12.700
mm |
Width (B)
4.762
mm |
Inner Ring Width (Bn)
5.556
mm |
|
||
|
Material: Stainless Steel AISI 440C
Precision Grade: Economy
Closure Type: ZZ
Bearing Type: Radial with Extended Inner
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner |
||||||
|
Part Number: SWR188A-ZZS-ECO (Each)
46 Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$5.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x12.7x4.762 mm / 5.556 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
12.700
mm + 0.000 / - 0.0075 (Equiv. 0.5 in.) |
Width (B)
4.762
mm + 0.000 / - 0.125 (Equiv. 0.187 in.) |
Inner Ring Width (Bn)
5.556
mm |
|
||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial with Extended Inner
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner |
||||||
|
Part Number: SWR188A-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Oct 15, 2026 Regular price
$586.50 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x12.7x4.762 mm / 5.556 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
12.700
mm + 0.000 / - 0.0075 (Equiv. 0.5 in.) |
Width (B)
4.762
mm + 0.000 / - 0.125 (Equiv. 0.187 in.) |
Inner Ring Width (Bn)
5.556
mm |
|
||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial with Extended Inner
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner |
||||||
|
Part Number: SWR188A-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Oct 15, 2026 Regular price
$586.50 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing | ||||||
|
ID (d)
6.350
mm + 0.076 / - 0.000
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.076 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.127 / - 0.000 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Precision Grade: Semi-Precision
Closure Type: 2PE
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 316 Stainless Deleted Item. Available while stocks last. |
||||||
|
Part Number: S316-R4-2PE (Each)
32 Available Now | Item Discontinued - Up to 32 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$6.79 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing | ||||||
|
ID (d)
6.350
mm + 0.076 / - 0.000 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.076 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.127 / - 0.000 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Precision Grade: Semi-Precision
Closure Type: 2PE
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 316 Stainless Deleted Item. Available while stocks last. |
||||||
|
Part Number: S316-R4-2PE (Each)
32 Available Now | Item Discontinued - Up to 32 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$6.79 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing | ||||||
|
ID (d)
6.350
mm + 0.076 / - 0.000
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.076 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.127 / - 0.000 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Precision Grade: Semi-Precision
Closure Type: 2PE
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 316 Stainless Deleted Item. Available while stocks last. |
||||||
|
Part Number: S316-R4-TF-TTS (Each)
34 Available Now | Item Discontinued - Up to 34 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$7.69 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing | ||||||
|
ID (d)
6.350
mm + 0.076 / - 0.000 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.076 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.127 / - 0.000 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Precision Grade: Semi-Precision
Closure Type: 2PE
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 316 Stainless Deleted Item. Available while stocks last. |
||||||
|
Part Number: S316-R4-TF-TTS (Each)
34 Available Now | Item Discontinued - Up to 34 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$7.69 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing | ||||||
|
ID (d)
6.350
mm + 0.076 / - 0.000
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.076 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.127 / - 0.000 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Precision Grade: Semi-Precision
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 316 Stainless |
||||||
|
Part Number: S316-R4 (PK-10)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Sep 04, 2026 Regular price
$837.77 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing | ||||||
|
ID (d)
6.350
mm + 0.076 / - 0.000 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.076 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.127 / - 0.000 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel 316 (Similar to A4, 18-10)
Precision Grade: Semi-Precision
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 316 Stainless |
||||||
|
Part Number: S316-R4 (PK-10)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Sep 04, 2026 Regular price
$837.77 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless |
||||||
|
Part Number: SR4-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 20, 2026 Regular price
$296.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless |
||||||
|
Part Number: SR4-MC3-AF12 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 20, 2026 Regular price
$296.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless Double black rubber sealed standard stainless steel bearing |
||||||
|
Part Number: SR4-2RS-MC3 (Each)
44 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$4.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless Double black rubber sealed standard stainless steel bearing |
||||||
|
Part Number: SR4-2RS-MC3 (Each)
44 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$4.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Economy
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless |
||||||
|
Part Number: SR4-2RS-ECO (Each)
31 Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$2.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Economy
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless |
||||||
|
Part Number: SR4-2RS-ECO (Each)
31 Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$2.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 420C - Polyamide Cage Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
15.875
mm |
Width (B)
4.978
mm |
|
|||
|
Material: Stainless Steel AISI 420C - Polyamide Cage
Precision Grade: Economy
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage |
||||||
|
Part Number: SR4-T9H-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026 Regular price
$844.23 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 420C - Polyamide Cage Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
15.875
mm |
Width (B)
4.978
mm |
|
|||
|
Material: Stainless Steel AISI 420C - Polyamide Cage
Precision Grade: Economy
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage |
||||||
|
Part Number: SR4-T9H-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026 Regular price
$844.23 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.007
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.007 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.120 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: P6
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless |
||||||
|
Part Number: SR4-ZZ-MC3-JP6 (Each)
54 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$5.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.007 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.007 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.120 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: P6
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless |
||||||
|
Part Number: SR4-ZZ-MC3-JP6 (Each)
54 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$5.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless Double shielded standard stainless steel bearing |
||||||
|
Part Number: SR4-ZZ-MC3 (Each)
40 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$4.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless Double shielded standard stainless steel bearing |
||||||
|
Part Number: SR4-ZZ-MC3 (Each)
40 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$4.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
15.875
mm |
Width (B)
4.978
mm |
|
|||
|
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage
Precision Grade: Economy
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage |
||||||
|
Part Number: R4-T9H-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026 Regular price
$690.14 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
15.875
mm |
Width (B)
4.978
mm |
|
|||
|
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage
Precision Grade: Economy
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - High Speed Cage |
||||||
|
Part Number: R4-T9H-ECO (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026 Regular price
$690.14 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
15.875
mm |
Width (B)
4.978
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Double shielded economy bearing |
||||||
|
Part Number: R4-ZZ-ECO (PK-5)
1 pack (5 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$7.14 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
15.875
mm |
Width (B)
4.978
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Double shielded economy bearing |
||||||
|
Part Number: R4-ZZ-ECO (PK-5)
1 pack (5 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$7.14 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Double shielded standard bearing |
||||||
|
Part Number: R4-ZZ-MC3 (Each)
216 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$3.95 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Double shielded standard bearing |
||||||
|
Part Number: R4-ZZ-MC3 (Each)
216 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$3.95 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-2RS-MC3-NSK (Each)
140 Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$6.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-2RS-MC3-NSK (Each)
140 Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$6.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: TTS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless |
||||||
|
Part Number: SR4-TTS-MC3 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: TTS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - 440C Stainless |
||||||
|
Part Number: SR4-TTS-MC3 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 11, 2029 |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Double rubber sealed standard bearing |
||||||
|
Part Number: R4-2RS-MC3 (Each)
176 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$3.77 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Double rubber sealed standard bearing |
||||||
|
Part Number: R4-2RS-MC3 (Each)
176 Available Now | Further orders can be expected around Thu, Aug 20, 2026 Regular price
$3.77 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
15.875
mm |
Width (B)
4.978
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-2RS-ECO (PK-2)
7 units (14 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$3.59 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm |
O.D. (D)
15.875
mm |
Width (B)
4.978
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Closure Type: 2RS
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-2RS-ECO (PK-2)
7 units (14 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026 Regular price
$3.59 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Open Standard Bearing |
||||||
|
Part Number: R4-MC3-ACO (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel Open Standard Bearing |
||||||
|
Part Number: R4-MC3-ACO (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 11, 2029 |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R-4HHRA1P25LY121-TD552 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R-4HHRA1P25LY121-TD552 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 11, 2029 |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.007
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.007 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.120 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: P6
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-ZZ-MC3-JP6 (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.007 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.007 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.120 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: P6
Closure Type: ZZ
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-ZZ-MC3-JP6 (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 11, 2029 |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-MC4-ACO (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-MC4-ACO (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 11, 2029 |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-MC5-ACO (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Closure Type: Open
Bearing Type: Radial
Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel |
||||||
|
Part Number: R4-MC5-ACO (PK-200)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Apr 11, 2029 |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm / 5.771 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075
(Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
Inner Ring Width (Bn)
5.771
mm |
|
||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial with Extended Inner
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner |
||||||
|
Part Number: SWR4-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 20, 2026 Regular price
$645.59 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 6.35x15.875x4.978 mm / 5.771 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
6.350
mm + 0.000 / - 0.0075 (Equiv. 0.25 in.) |
O.D. (D)
15.875
mm + 0.000 / - 0.0075 (Equiv. 0.625 in.) |
Width (B)
4.978
mm + 0.000 / - 0.125 (Equiv. 0.196 in.) |
Inner Ring Width (Bn)
5.771
mm |
|
||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial with Extended Inner
Category: Bearings - Single Row Ball - Unflanged - Precision - Extended Inner |
||||||
|
Part Number: SWR4-ZZ-MC3 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Aug 20, 2026 Regular price
$645.59 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||

















