Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	High-Carbon Steel
Surface Treatment	Black Oxide Coated
Hardness	HRC 45-50
Inner Diameter Options	20/22/23/24/25/26/28 mm
Outer Diameter	Varies by Model
Sleeve Length	20 mm Standard
Tolerance Class	H7
Application	Industrial Machinery Shafts
Package Weight	50 grams
Country of Origin	Mainland China

5 reviews

Anonymous

Mar 15, 2026

Rating: 4/5

Good Value

Slightly rough edges on arrival but fits well after light polishing. Good for the price.

Anonymous

Mar 02, 2026

Rating: 5/5

Fast Shipping

Arrived earlier than expected. The 25mm ID option was measured perfectly with calipers.

Anonymous

Feb 24, 2026

Rating: 5/5

Exact Size

Ordered the 22mm sleeve and it was precise. Recommended for industrial repair jobs.

Anonymous

Feb 01, 2026

Rating: 5/5

Strong Material

Very hard steel and good quality finish. No signs of wear after a week of heavy use.

Anonymous

Jan 28, 2026

Rating: 5/5

Perfect Fit

Works great on my lathe shaft. The hardness is exactly as described and it slides on smoothly.

5 FAQ

Q: What is the exact hardness rating?

A: The hardness is approximately 45-50 HRC after heat treatment.

Q: Is this sold as a set or individually?

A: This item is sold individually per piece.

Q: Do you ship to North America?

A: Yes, we ship globally including North America.

Q: Is special tooling needed for installation?

A: A press fit tool is recommended for secure installation.

Q: Can I return it if the size is wrong?

A: Yes, returns are accepted within 30 days if unused.

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