Anonymous
Apr 20, 2026
Rating: 5/5
Perfect for my drone build
These bearings fit perfectly in my motor housings. Very smooth rotation and no play.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | Harbin |
| Bearing Type | Deep Groove Ball Bearing |
| Series | 6900 Thin-Wall Series |
| Material | Chrome Steel GCr15 |
| Seal Type | Metal Shield (Z) |
| Precision Rating | ABEC-1 (P0) |
| Cage Material | Steel |
| Lubrication | Pre-greased |
| Country of Origin | China |
| Applications | Robotics, Drones, Motors |
Anonymous
Apr 20, 2026
Rating: 5/5
Perfect for my drone build
These bearings fit perfectly in my motor housings. Very smooth rotation and no play.
Anonymous
Apr 05, 2026
Rating: 5/5
Standard dimensions
Measurements match ISO standards. Good for precision applications requiring thin walls.
Anonymous
Apr 03, 2026
Rating: 5/5
Fast shipping
Arrived well packaged. No rust or damage. Exactly as described in the listing.
Anonymous
Mar 10, 2026
Rating: 5/5
Reliable performance
Using these in automated arms. No failure so far after 3 months of continuous use.
Anonymous
Feb 27, 2026
Rating: 5/5
Great wholesale price
Bought a bulk pack for my shop. Quality is consistent across all units.
Q: Is oil lubrication available instead of grease?
A: We primarily stock grease lubricated versions for these miniature bearings to ensure longevity.
Q: Do you offer bulk discounts for large orders?
A: Yes, please contact us directly for pricing on orders exceeding 100 units.
Q: Are these bearings made of stainless steel?
A: No, these are made of Chrome Steel GCr15 for higher durability and load capacity.
Q: What are the dimensions for the 6901 model?
A: The 6901 model dimensions are 12mm inner diameter, 24mm outer diameter, and 6mm width.
Q: What is the maximum RPM for these bearings?
A: Depending on the load, these miniature sizes can typically handle up to 30,000 RPM.