Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	304 Stainless Steel
Inner Diameter	4 mm
Outer Diameter Options	5.5 / 6.5 / 7.5 / 8.5 mm
Structure Type	Cylindrical Sleeve
Surface Finish	Polished
Thread Configuration	Threadless
Hardness	Approx. HV 200
Temperature Range	-50°C to 200°C
Package Quantity	10 Pieces
Country of Origin	China

5 reviews

Anonymous

Apr 02, 2026

Rating: 5/5

Precise measurements

Measured with calipers and dimensions are accurate within standard tolerance.

Anonymous

Mar 22, 2026

Rating: 4/5

Good quality steel

Solid construction, though the 8.5mm OD was a bit tight for my housing bore.

Anonymous

Mar 15, 2026

Rating: 3/5

Selection could be clearer

Product is fine, but choosing the right OD from the dropdown was slightly confusing.

Anonymous

Mar 06, 2026

Rating: 5/5

Great corrosion resistance

Using these in a humid environment and have seen no rust so far after a month.

Anonymous

Feb 06, 2026

Rating: 5/5

Perfect fit for my project

Exactly as described. The 4mm ID fits my shaft perfectly without too much play.

5 FAQ

Q: Can these be welded?

A: 304 stainless steel is weldable, but heat treatment may affect hardness.

Q: What is the tolerance on the ID?

A: The standard tolerance is H7 for the inner diameter.

Q: Is there a flange option?

A: This listing is for cylindrical sleeves only; flanged bushings are sold separately.

Q: Do you offer bulk discounts?

A: Yes, please contact customer service for orders over 100 units.

Q: Is this suitable for high-speed rotation?

A: It is designed for low to moderate speed applications primarily.

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