Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	GCr15 High Carbon Chromium Steel
Surface Hardness	58-62 HRC
Inner Diameter Options	20mm, 21mm, 22mm, 23mm
Outer Diameter Tolerance	ISO h6 Standard
Surface Roughness	Ra 0.4μm Ground Finish
Heat Treatment	Quenched and Tempered
Protective Coating	Anti-Corrosion Oil Layer
Primary Application	Linear Motion Guide Systems
Unit Weight	Approximately 50 grams
Quality Certification	ISO 9001 Manufactured

5 reviews

Anonymous

Apr 04, 2026

Rating: 4/5

Good Product

Works well for my machinery but packaging could be better to prevent scratches.

Anonymous

Mar 28, 2026

Rating: 5/5

Smooth Finish

No burrs and slides perfectly on the rail. Highly recommend for linear projects.

Anonymous

Mar 27, 2026

Rating: 5/5

Robust Construction

Steel feels very solid and hardened properly. No issues during installation.

Anonymous

Feb 23, 2026

Rating: 5/5

Reliable Supplier

We use these for all our guide assemblies. Consistent quality across batches.

Anonymous

Jan 31, 2026

Rating: 5/5

Exact Dimensions

The ID measurement was spot on for my shaft. Very pleased with the precision.

5 FAQ

Q: Is the ID ground or bored?

A: The inner diameter is precision ground for smooth operation.

Q: Can this be welded?

A: Welding may affect hardness, not recommended for structural changes.

Q: Do you offer bulk discounts?

A: Yes, please contact sales for tiered pricing on large orders.

Q: What is the lead time?

A: Usually ships within 2 business days for standard sizes.

Q: Do you provide material test reports?

A: Yes, available upon request at checkout or via customer service.

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