Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Inner Diameter	8 mm
Outer Diameter Options	17, 18, 20, 25, 28, 30 mm
Material	Chrome Steel
Precision Grade	ABEC-7
Seal Type	Double Sealed (ZZ)
Lubrication	Pre-greased
Cage Material	Steel
Included Resource	Printable Size Chart
Package Weight	150 grams
Country of Origin	Imported

5 reviews

Anonymous

Apr 16, 2026

Rating: 5/5

Excellent quality

Using these for a custom robotics build. Very satisfied with the precision.

Anonymous

Mar 28, 2026

Rating: 5/5

Perfect for my project

The sizes matched exactly what I needed. The chart helped me identify the replacement quickly.

Anonymous

Mar 05, 2026

Rating: 4/5

Good but tight fit

Bearings are smooth, but one size was a bit tight. Chart was useful though.

Anonymous

Feb 26, 2026

Rating: 5/5

Great variety

Good selection of non-standard outer diameters. Quality feels solid.

Anonymous

Feb 02, 2026

Rating: 5/5

Fast shipping

Arrived quickly and well packaged. The 8mm inner diameter is accurate.

5 FAQ

Q: Are these suitable for high-speed applications?

A: They are rated ABEC-7, suitable for moderate to high speeds depending on load.

Q: Is the grease food safe?

A: The standard grease is industrial grade. Please contact us for food-grade options.

Q: Does this come with a physical chart?

A: Yes, a printed size identification chart is included in the package.

Q: What is the exact tolerance on the 8mm ID?

A: The inner diameter follows standard ISO tolerance for 8mm bearings.

Q: Can I buy just the 25mm outer diameter size?

A: This listing is for the assorted set. Single sizes may be available in other listings.

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