Description
Reviews
| 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 |
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.
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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