Anonymous
Mar 23, 2026
Rating: 5/5
Smooth rotation
Low friction and no grinding noise. Great for high RPM applications.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | HRB (Harbin) |
| Bearing Type | Deep Groove Ball Bearing |
| Shield Type | ZZ (Metal Shield on Both Sides) |
| Material | Chrome Steel (GCr15) |
| Precision Rating | P0 (ABEC-1) |
| Inner Diameter Range | 3mm - 9mm |
| Outer Diameter Range | 8mm - 20mm |
| Width Range | 3mm - 6mm |
| Cage Material | Steel |
| Country of Origin | China |
Anonymous
Mar 23, 2026
Rating: 5/5
Smooth rotation
Low friction and no grinding noise. Great for high RPM applications.
Anonymous
Feb 26, 2026
Rating: 5/5
Exact specifications
Measured with calipers, dimensions are spot on. Very quiet operation under load.
Anonymous
Feb 15, 2026
Rating: 4/5
Solid value
Good price for genuine HRB. Packaging was minimal but parts were undamaged.
Anonymous
Feb 01, 2026
Rating: 5/5
Perfect for my drone build
Used the 693ZZ for my motor mounts. Spin very smoothly and no play. Genuine HRB quality.
Anonymous
Jan 29, 2026
Rating: 4/5
Good quality, slow shipping
The bearings themselves are excellent quality. Fit perfectly in my assembly. Only downside was shipping took a bit long.
Q: Is there a discount for bulk orders?
A: Please contact customer support for bulk pricing inquiries over 100 units.
Q: Are these pre-lubricated?
A: Yes, they come with standard grease lubrication from the factory.
Q: Can I remove the ZZ shields?
A: The ZZ shields are pressed on and not designed to be removed without damage.
Q: Can these handle high speeds?
A: Yes, deep groove ball bearings are suitable for high-speed rotation within rated limits.
Q: Do you have the 695ZZ in stock?
A: Yes, all models listed from 693 to 699 are currently available.