Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	High-Carbon Steel
Inner Diameter (ID)	13mm, 14mm, 15mm
Outer Diameter (OD)	17mm, 18mm, 20mm
Length Options	22mm, 25mm, 30mm
Hardness	HRC 50-55
Surface Finish	Black Oxide Coated
Tolerance Class	ISO h7
Weight per Piece	Approx. 20g
Country of Origin	China
Package Quantity	10 Pieces

5 reviews

Anonymous

Apr 08, 2026

Rating: 5/5

Perfect spacers

Used these as spacer sleeves in a conveyor setup. No wear observed after a month of operation.

Anonymous

Apr 03, 2026

Rating: 4/5

Works as described

Good guide bushings. The black oxide coating helps with slight corrosion resistance.

Anonymous

Mar 12, 2026

Rating: 5/5

Excellent quality bushings

These fit perfectly on my shaft. The steel feels very durable and the dimensions were accurate.

Anonymous

Mar 09, 2026

Rating: 4/5

Good value for money

Solid product. Shipping was a bit slow but the item meets expectations for industrial use.

Anonymous

Mar 02, 2026

Rating: 5/5

Precise measurements

I measured the ID and OD with calipers. They are within the stated tolerance. Very happy.

5 FAQ

Q: What is the maximum RPM suitable for these?

A: Depending on lubrication and load, they are generally suitable for low to moderate speed applications.

Q: Can I use these in wet environments?

A: They have a black oxide coating, but we recommend additional lubrication or sealing for wet conditions.

Q: Do you sell individual pieces?

A: These are sold in sets of 10 pieces per SKU. Bulk options are available.

Q: Are these bushings hardened?

A: Yes, they are heat-treated to HRC 50-55 for wear resistance.

Q: Is the inner surface smooth?

A: Yes, the ID is ground and polished to ensure smooth shaft rotation.

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