Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Grade	GCr15 Bearing Steel
Inner Diameter	8 mm
Outer Diameter	12 mm
Sleeve Length	20 mm
Precision Rating	P5 (ABEC 5)
Surface Hardness	HRC 58-62
Surface Finish	Mirror Polished
Package Count	10 Pieces
Net Weight	150 grams
Country of Origin	Japan

5 reviews

Anonymous

Mar 26, 2026

Rating: 3/5

Slightly tight tolerance

Required minor polishing to fit my specific assembly. Otherwise good steel quality overall.

Anonymous

Mar 22, 2026

Rating: 4/5

Good value for money

Steel quality is solid though packaging was minimal. Product works as intended for my machinery setup.

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect fit for 8mm shafts

Measured with micrometers and they are spot on. Very happy with the tolerance levels provided.

Anonymous

Feb 09, 2026

Rating: 5/5

Excellent precision for robotics

Used these sleeves in a custom robotic arm joint. The fit was snug and precise. Highly recommend for engineering projects.

Anonymous

Jan 27, 2026

Rating: 5/5

Durable and wear-resistant

Been running them for months without signs of wear. Great for high friction areas in my workshop.

5 FAQ

Q: Can I order mixed sizes in one pack?

A: No, this SKU is specific to 8mm ID. Please browse other listings for different dimensions.

Q: Is there a warranty included?

A: Yes, 1-year manufacturer warranty against defects in material and workmanship.

Q: Are these suitable for high-speed applications?

A: Yes, P5 precision supports high RPM operations within specified load limits.

Q: Do I need to lubricate these sleeves?

A: Yes, we recommend applying standard bearing grease before installation for optimal performance.

Q: What is the temperature resistance?

A: Rated for continuous operation up to 120 degrees Celsius under normal load conditions.

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