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Home / Bearings & Bushings / Custom Bearing Steel Sleeves, Bushings, Inner Rings, and Spacers (ID: 90, 95, 100, 110, 120, 130, 140)
Bearings & Bushings

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Grade GCr15 / 52100 Bearing Steel
Hardness Range 58-62 HRC
Surface Roughness Ra 0.4 Microns
Dimensional Tolerance ISO IT6 Class
Heat Treatment Through Hardened
Machining Method Precision CNC Turning
Coating Type Anti-Rust Oil Finish
Bore Diameter Options 90, 95, 100, 110, 120, 130, 140 mm
Country of Origin Manufactured in ISO Facility
Warranty Period 12 Months Quality Guarantee

5 reviews

A

Anonymous

Apr 14, 2026

Rating: 4/5

Good Value

Product meets specifications. Shipping took a little longer than expected but worth the wait.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Durable and Reliable

Been running these in high vibration equipment for months. No wear visible yet.

A

Anonymous

Feb 21, 2026

Rating: 5/5

Precise Fit for Industrial Use

Ordered the 100mm bore sleeves for our conveyor system. Dimensions were spot on and the steel quality is excellent.

A

Anonymous

Feb 18, 2026

Rating: 5/5

High Quality Material

Very impressed with the hardness and finish. No burrs on the edges. Will order again.

A

Anonymous

Feb 13, 2026

Rating: 5/5

Perfect for Custom Spacers

We use these as inner rings for custom bearing assemblies. Consistency across the batch is great.

5 FAQ

Q: Can the outer diameter be customized?

A: Yes, please contact us with your specific OD and length requirements.

Q: What is the recommended lubrication?

A: Standard industrial grease or oil suitable for bearing steel is recommended.

Q: What is the lead time for 100 units?

A: Typically 10-15 business days for custom quantities over 50 units.

Q: Are these suitable for high temperature environments?

A: Standard bearing steel is rated up to 120°C continuously.

Q: Do you provide material certificates?

A: Yes, we can provide mill test certificates upon request.

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