Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand Name	HRB
Bearing Type	Deep Groove Ball Bearing
Seal Type	Metal Shield (ZZ)
Material	Chrome Steel GCr15
Precision Class	P0 (ABEC-1)
Internal Clearance	C0 (Standard)
Cage Material	Stamped Steel
Lubrication	Pre-greased
Country of Origin	China
Warranty Period	1 Year

5 reviews

Anonymous

Apr 20, 2026

Rating: 5/5

Perfect for my drone build

Smooth rotation and genuine HRB quality. The 688 size fit my motor shaft perfectly without any modification.

Anonymous

Apr 19, 2026

Rating: 4/5

Good bearings

Solid performance, shipping took a bit long but product is good. Noise levels are low.

Anonymous

Mar 18, 2026

Rating: 5/5

Authentic HRB

Verified the logo and packaging. Definitely real. Much better than the unbranded ones I tried before.

Anonymous

Feb 13, 2026

Rating: 5/5

Great value

Bought the 688 size for a motor project. Works perfectly and arrived well packaged.

Anonymous

Feb 07, 2026

Rating: 5/5

Smooth operation

Very low noise compared to generic brands. Will order more for my robotics projects.

5 FAQ

Q: Is grease included?

A: Yes, these bearings come pre-lubricated with standard grease for immediate use.

Q: What are the dimensions for 688 ZZ?

A: The 688 ZZ has an 8mm inner diameter, 16mm outer diameter, and 5mm width.

Q: Is packaging secure?

A: Yes, each bearing is individually boxed to prevent damage during transit.

Q: Can these handle high speeds?

A: They are suitable for moderate RPM applications typical in small motors and drones.

Q: Do you offer bulk pricing?

A: Yes, please contact us directly for discount options on orders over 100 units.

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