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 - 25.4x57.15x15.875 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
57.150
mm
+ 0.000 / - 0.013
(Equiv. 2.25 in.)
Width (B)
15.875
mm
+ 0.000 / - 0.120
(Equiv. 0.625 in.)
Single Row Ball Bearings - 25.4x57.15x15.875 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RLS8-2RS (Each)
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Regular price $36.32 AUD
Regular price $43.58 AUD Sale price $36.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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ID (d) O.D. (D) Width (B) Inner Ring Width (Bn) Indicative
Image
Single Row Ball Bearings - 25.4x57.15x15.875 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
57.150
mm
+ 0.000 / - 0.013
(Equiv. 2.25 in.)
Width (B)
15.875
mm
+ 0.000 / - 0.120
(Equiv. 0.625 in.)
Single Row Ball Bearings - 25.4x57.15x15.875 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RLS8-2RS (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $36.32 AUD
Regular price $43.58 AUD Sale price $36.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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Single Row Ball Bearings - 25.4x52x15 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
52.000
mm
+ 0.000 / - 0.013
(Equiv. 2.047 in.)
Width (B)
15.000
mm
+ 0.000 / - 0.120
(Equiv. 0.591 in.)
Single Row Ball Bearings - 25.4x52x15 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6205-32-2RS (PK-80)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 25.4x52x15 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
52.000
mm
+ 0.000 / - 0.013
(Equiv. 2.047 in.)
Width (B)
15.000
mm
+ 0.000 / - 0.120
(Equiv. 0.591 in.)
Single Row Ball Bearings - 25.4x52x15 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6205-32-2RS (PK-80)
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 - 25.4x57.15x15.875 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
57.150
mm
+ 0.000 / - 0.013
(Equiv. 2.25 in.)
Width (B)
15.875
mm
+ 0.000 / - 0.120
(Equiv. 0.625 in.)
Single Row Ball Bearings - 25.4x57.15x15.875 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RLS8-ZZ (Each)
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Regular price $33.23 AUD
Regular price $39.87 AUD Sale price $33.23 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 25.4x57.15x15.875 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
57.150
mm
+ 0.000 / - 0.013
(Equiv. 2.25 in.)
Width (B)
15.875
mm
+ 0.000 / - 0.120
(Equiv. 0.625 in.)
Single Row Ball Bearings - 25.4x57.15x15.875 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RLS8-ZZ (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $33.23 AUD
Regular price $39.87 AUD Sale price $33.23 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 25.4x63.5x19.05 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
63.500
mm
+ 0.000 / - 0.013
(Equiv. 2.5 in.)
Width (B)
19.050
mm
+ 0.000 / - 0.120
(Equiv. 0.75 in.)
Single Row Ball Bearings - 25.4x63.5x19.05 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RMS8-2RS (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $51.77 AUD
Regular price $62.13 AUD Sale price $51.77 AUD
Each
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Single Row Ball Bearings - 25.4x63.5x19.05 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
63.500
mm
+ 0.000 / - 0.013
(Equiv. 2.5 in.)
Width (B)
19.050
mm
+ 0.000 / - 0.120
(Equiv. 0.75 in.)
Single Row Ball Bearings - 25.4x63.5x19.05 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RMS8-2RS (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $51.77 AUD
Regular price $62.13 AUD Sale price $51.77 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 25.4x63.5x19.05 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
63.500
mm
+ 0.000 / - 0.013
(Equiv. 2.5 in.)
Width (B)
19.050
mm
+ 0.000 / - 0.120
(Equiv. 0.75 in.)
Single Row Ball Bearings - 25.4x63.5x19.05 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RMS8-ZZ (Each)
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Regular price $47.32 AUD
Regular price $56.78 AUD Sale price $47.32 AUD
Each
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Single Row Ball Bearings - 25.4x63.5x19.05 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
25.400
mm
+ 0.000 / - 0.011
(Equiv. 1 in.)
O.D. (D)
63.500
mm
+ 0.000 / - 0.013
(Equiv. 2.5 in.)
Width (B)
19.050
mm
+ 0.000 / - 0.120
(Equiv. 0.75 in.)
Single Row Ball Bearings - 25.4x63.5x19.05 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RMS8-ZZ (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $47.32 AUD
Regular price $56.78 AUD Sale price $47.32 AUD
Each
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Single Row Ball Bearings - 26.988x38.1x6.35 mm / 7.142 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
26.988
mm
+ 0.000 / - 0.011
(Equiv. 1.063 in.)
O.D. (D)
38.100
mm
+ 0.000 / - 0.011
(Equiv. 1.5 in.)
Width (B)
6.350
mm
+ 0.000 / - 0.120
(Equiv. 0.25 in.)
Inner Ring Width (Bn)
7.142
mm
Single Row Ball Bearings - 26.988x38.1 - 6.350/7.142 / 7.142 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: WR12434-TTS (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 17, 2026
Regular price $53.32 AUD
Regular price $110.71 AUD Sale price $53.32 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 26.988x38.1x6.35 mm / 7.142 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
26.988
mm
+ 0.000 / - 0.011
(Equiv. 1.063 in.)
O.D. (D)
38.100
mm
+ 0.000 / - 0.011
(Equiv. 1.5 in.)
Width (B)
6.350
mm
+ 0.000 / - 0.120
(Equiv. 0.25 in.)
Inner Ring Width (Bn)
7.142
mm
Single Row Ball Bearings - 26.988x38.1 - 6.350/7.142 / 7.142 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: WR12434-TTS (Each)
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Regular price $53.32 AUD
Regular price $110.71 AUD Sale price $53.32 AUD
Each
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Single Row Ball Bearings - 27.15x38x6.5 mm Chamfered Edges - Chrome Steel SAE 52100 Bearing
ID (d)
27.150
mm
O.D. (D)
38.000
mm
Width (B)
6.500
mm
Single Row Ball Bearings - 27.15x38x6.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Bike   
Double black rubber sealed bearing with chamfered edges 36 and 45 degree for popular pushbike headsets
Part Number: MR38-2715-CEP-4536-2RS-ECO (PK-10)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $128.86 AUD
Regular price Sale price $128.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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Single Row Ball Bearings - 27.15x38x6.5 mm Chamfered Edges - Chrome Steel SAE 52100 Bearing
ID (d)
27.150
mm
O.D. (D)
38.000
mm
Width (B)
6.500
mm
Single Row Ball Bearings - 27.15x38x6.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Bike   
Double black rubber sealed bearing with chamfered edges 36 and 45 degree for popular pushbike headsets
Part Number: MR38-2715-CEP-4536-2RS-ECO (PK-10)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $128.86 AUD
Regular price Sale price $128.86 AUD
Priced, Stocked and Sold Per 10 Units
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Quantity Required

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Single Row Ball Bearings - 27.2x38.1x6.35 mm Chamfered Edges - Chrome Steel SAE 52100 Bearing
ID (d)
27.200
mm
O.D. (D)
38.100
mm
Width (B)
6.350
mm
Single Row Ball Bearings - 27.2x38.1x6.35 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Bike   
Part Number: MR381-272-063-CEP-45-2RS-ECO (PK-20)
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Regular price $88.77 AUD
Regular price Sale price $88.77 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 27.2x38.1x6.35 mm Chamfered Edges - Chrome Steel SAE 52100 Bearing
ID (d)
27.200
mm
O.D. (D)
38.100
mm
Width (B)
6.350
mm
Single Row Ball Bearings - 27.2x38.1x6.35 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Bike   
Part Number: MR381-272-063-CEP-45-2RS-ECO (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $88.77 AUD
Regular price Sale price $88.77 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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Single Row Ball Bearings - 28x52x12 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
ID (d)
28.000
mm
O.D. (D)
52.000
mm
Width (B)
12.000
mm
Single Row Ball Bearings - 28x52x12 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls
Material: Chrome Steel SAE 52100 - Ceramic Si3N4 Balls    Precision Grade: Abec 3   
Category: Bearings - Single Row Ball - Unflanged - Precision
Ceramic balls.
Part Number: MR5228-CSN-2RS-U3-ECO (Each)
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Regular price $132.05 AUD
Regular price $158.45 AUD Sale price $132.05 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 28x52x12 mm Unflanged - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls Bearing
ID (d)
28.000
mm
O.D. (D)
52.000
mm
Width (B)
12.000
mm
Single Row Ball Bearings - 28x52x12 mm - Chrome Steel SAE 52100 - Ceramic Si3N4 Balls
Material: Chrome Steel SAE 52100 - Ceramic Si3N4 Balls    Precision Grade: Abec 3   
Category: Bearings - Single Row Ball - Unflanged - Precision
Ceramic balls.
Part Number: MR5228-CSN-2RS-U3-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 17, 2026
Regular price $132.05 AUD
Regular price $158.45 AUD Sale price $132.05 AUD
Each
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Single Row Ball Bearings - 28x68x18 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.000
mm
+ 0.000 / - 0.011
(Equiv. 1.102 in.)
O.D. (D)
68.000
mm
+ 0.000 / - 0.013
(Equiv. 2.677 in.)
Width (B)
18.000
mm
+ 0.000 / - 0.120
(Equiv. 0.709 in.)
Single Row Ball Bearings - 28x68x18 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR6828 (Each)
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Regular price $20.77 AUD
Regular price $24.93 AUD Sale price $20.77 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 28x68x18 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.000
mm
+ 0.000 / - 0.011
(Equiv. 1.102 in.)
O.D. (D)
68.000
mm
+ 0.000 / - 0.013
(Equiv. 2.677 in.)
Width (B)
18.000
mm
+ 0.000 / - 0.120
(Equiv. 0.709 in.)
Single Row Ball Bearings - 28x68x18 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: MR6828 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $20.77 AUD
Regular price $24.93 AUD Sale price $20.77 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 28x58x16 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.000
mm
O.D. (D)
58.000
mm
Width (B)
16.000
mm
Single Row Ball Bearings - 28x58x16 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: MR5828-2RS-ECO (PK-2)
4 units (8 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.54 AUD
Regular price $29.17 AUD Sale price $4.54 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (8 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 28x58x16 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.000
mm
O.D. (D)
58.000
mm
Width (B)
16.000
mm
Single Row Ball Bearings - 28x58x16 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: MR5828-2RS-ECO (PK-2)
4 units (8 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.54 AUD
Regular price $29.17 AUD Sale price $4.54 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (8 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Single Row Ball Bearings - 28.575x53.975x9.525 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
ID (d)
28.575
mm
+ 0.102 / - 0.000
(Equiv. 1.125 in.)
O.D. (D)
53.975
mm
+ 0.000 / - 0.152
(Equiv. 2.125 in.)
Width (B)
9.525
mm
+ 0.127 / - 0.000
(Equiv. 0.375 in.)
Single Row Ball Bearings - 28.575x53.975x9.525 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S316-R18 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 24, 2026
Regular price $220.77 AUD
Regular price $264.93 AUD Sale price $220.77 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 28.575x53.975x9.525 mm Unflanged - Stainless Steel 316 Similar to A4, 18-10 Bearing
ID (d)
28.575
mm
+ 0.102 / - 0.000
(Equiv. 1.125 in.)
O.D. (D)
53.975
mm
+ 0.000 / - 0.152
(Equiv. 2.125 in.)
Width (B)
9.525
mm
+ 0.127 / - 0.000
(Equiv. 0.375 in.)
Single Row Ball Bearings - 28.575x53.975x9.525 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S316-R18 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 24, 2026
Regular price $220.77 AUD
Regular price $264.93 AUD Sale price $220.77 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 28.575x53.975x9.525 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
53.975
mm
+ 0.000 / - 0.013
(Equiv. 2.125 in.)
Width (B)
9.525
mm
+ 0.000 / - 0.120
(Equiv. 0.375 in.)
Single Row Ball Bearings - 28.575x53.975x9.525 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R18 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $21.41 AUD
Regular price $25.69 AUD Sale price $21.41 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 28.575x53.975x9.525 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
53.975
mm
+ 0.000 / - 0.013
(Equiv. 2.125 in.)
Width (B)
9.525
mm
+ 0.000 / - 0.120
(Equiv. 0.375 in.)
Single Row Ball Bearings - 28.575x53.975x9.525 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R18 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $21.41 AUD
Regular price $25.69 AUD Sale price $21.41 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 28.575x53.975x12.7 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
53.975
mm
+ 0.000 / - 0.013
(Equiv. 2.125 in.)
Width (B)
12.700
mm
+ 0.000 / - 0.120
(Equiv. 0.5 in.)
Single Row Ball Bearings - 28.575x53.975x12.7 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R18A-2RS (Each)
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Regular price $30.95 AUD
Regular price $37.15 AUD Sale price $30.95 AUD
Each
Excludes GST and overseas Taxes & Duties
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Single Row Ball Bearings - 28.575x53.975x12.7 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
53.975
mm
+ 0.000 / - 0.013
(Equiv. 2.125 in.)
Width (B)
12.700
mm
+ 0.000 / - 0.120
(Equiv. 0.5 in.)
Single Row Ball Bearings - 28.575x53.975x12.7 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R18A-2RS (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $30.95 AUD
Regular price $37.15 AUD Sale price $30.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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Single Row Ball Bearings - 28.575x63.5x15.875 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
63.500
mm
+ 0.000 / - 0.013
(Equiv. 2.5 in.)
Width (B)
15.875
mm
+ 0.000 / - 0.120
(Equiv. 0.625 in.)
Single Row Ball Bearings - 28.575x63.5x15.875 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RLS9-ZZ (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $46.77 AUD
Regular price $56.13 AUD Sale price $46.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 28.575x63.5x15.875 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
63.500
mm
+ 0.000 / - 0.013
(Equiv. 2.5 in.)
Width (B)
15.875
mm
+ 0.000 / - 0.120
(Equiv. 0.625 in.)
Single Row Ball Bearings - 28.575x63.5x15.875 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RLS9-ZZ (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $46.77 AUD
Regular price $56.13 AUD Sale price $46.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 28.575x71.438x20.637 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
71.438
mm
+ 0.000 / - 0.013
(Equiv. 2.813 in.)
Width (B)
20.637
mm
+ 0.000 / - 0.120
(Equiv. 0.812 in.)
Single Row Ball Bearings - 28.575x71.438x20.637 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RMS9-2RS (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $49.86 AUD
Regular price $59.84 AUD Sale price $49.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 28.575x71.438x20.637 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
71.438
mm
+ 0.000 / - 0.013
(Equiv. 2.813 in.)
Width (B)
20.637
mm
+ 0.000 / - 0.120
(Equiv. 0.812 in.)
Single Row Ball Bearings - 28.575x71.438x20.637 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RMS9-2RS (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jun 16, 2026
Regular price $49.86 AUD
Regular price $59.84 AUD Sale price $49.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 28.575x53.975x12.7 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
53.975
mm
+ 0.000 / - 0.013
(Equiv. 2.125 in.)
Width (B)
12.700
mm
+ 0.000 / - 0.120
(Equiv. 0.5 in.)
Single Row Ball Bearings - 28.575x53.975x12.7 mm Unflanged - Chrome Steel SAE 52100 Bearing
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R18A-ZZ (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 28.575x53.975x12.7 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
53.975
mm
+ 0.000 / - 0.013
(Equiv. 2.125 in.)
Width (B)
12.700
mm
+ 0.000 / - 0.120
(Equiv. 0.5 in.)
Single Row Ball Bearings - 28.575x53.975x12.7 mm Unflanged - Chrome Steel SAE 52100 Bearing
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: R18A-ZZ (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029
Single Row Ball Bearings - 28.575x63.5x15.875 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
63.500
mm
+ 0.000 / - 0.013
(Equiv. 2.5 in.)
Width (B)
15.875
mm
+ 0.000 / - 0.120
(Equiv. 0.625 in.)
Single Row Ball Bearings - 28.575x63.5x15.875 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RLS9-2RS (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 28.575x63.5x15.875 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
28.575
mm
+ 0.000 / - 0.011
(Equiv. 1.125 in.)
O.D. (D)
63.500
mm
+ 0.000 / - 0.013
(Equiv. 2.5 in.)
Width (B)
15.875
mm
+ 0.000 / - 0.120
(Equiv. 0.625 in.)
Single Row Ball Bearings - 28.575x63.5x15.875 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: RLS9-2RS (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029
Single Row Ball Bearings - 30x37x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6706-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $10.14 AUD
Regular price $12.16 AUD Sale price $10.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6706-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
Regular price $10.14 AUD
Regular price $12.16 AUD Sale price $10.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6706-2RS-ECO (Each)
21 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $5.23 AUD
Regular price Sale price $5.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 21 available can be backordered.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6706-2RS-ECO (Each)
21 Available Now | Further orders can be expected around Fri, Jul 03, 2026
Regular price $5.23 AUD
Regular price Sale price $5.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

21 Available Now. Backorder if more than 21.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6706-ZZ-ECO (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $209.41 AUD
Regular price Sale price $209.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6706-ZZ-ECO (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 03, 2026
Regular price $209.41 AUD
Regular price Sale price $209.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S6706-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 17, 2026
Regular price $257.50 AUD
Regular price Sale price $257.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S6706-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 17, 2026
Regular price $257.50 AUD
Regular price Sale price $257.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
30.000
mm
+ 0.000 / - 0.011
(Equiv. 1.181 in.)
O.D. (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 30x37x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S6706 (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Single Row Ball Bearings - 30x37x4 mm Unflanged - Stainless Steel AISI 440C Bearing
ID (d)
30.000
mm
+ 0.000 / - 0.011
(Equiv. 1.181 in.)
O.D. (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 30x37x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: S6706 (PK-20)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029
Single Row Ball Bearings - 30x37x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6706-2RU-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 17, 2026
Regular price $110.23 AUD
Regular price $132.27 AUD Sale price $110.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Single Row Ball Bearings - 30x37x4 mm Unflanged - Chrome Steel SAE 52100 Bearing
ID (d)
30.000
mm
O.D. (D)
37.000
mm
Width (B)
4.000
mm
Single Row Ball Bearings - 30x37x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged - Precision
Part Number: 6706-2RU-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Jul 17, 2026
Regular price $110.23 AUD
Regular price $132.27 AUD Sale price $110.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.