Anonymous
Apr 18, 2026
Rating: 3/5
Average quality
Okay for low speed applications. I would recommend higher precision for high RPM uses.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Chrome Steel GCr15 |
| Seal Type | Metal Shield (ZZ) |
| Precision Grade | ABEC-1 |
| Cage Material | Steel Ribbon |
| Lubrication | Pre-greased |
| Operating Temperature | -20°C to 120°C |
| Package Quantity | 10 Pieces |
| Country of Origin | Imported |
| Noise Level | Low Noise Design |
| Common Applications | Motors, Robotics, Skates |
Anonymous
Apr 18, 2026
Rating: 3/5
Average quality
Okay for low speed applications. I would recommend higher precision for high RPM uses.
Anonymous
Apr 02, 2026
Rating: 5/5
Fast shipping
Arrived quickly and well packaged. No damage during transit and they work perfectly.
Anonymous
Mar 15, 2026
Rating: 5/5
Great for drones
Smooth operation and perfect fit for my RC drone motors. Very satisfied with the quality.
Anonymous
Mar 03, 2026
Rating: 5/5
Exact fit
Replaced my old bearings with these. Dimensions were accurate and installation was easy.
Anonymous
Feb 09, 2026
Rating: 4/5
Good value
Most bearings were excellent. One felt slightly rough out of the box but still usable.
Q: Do you offer bulk discounts?
A: Yes, please contact us directly for pricing on large quantity orders.
Q: Can these handle high RPM?
A: Yes, they are suitable for high speed motors typically found in drones and RC cars.
Q: Is grease included?
A: Yes, these bearings come pre-lubricated with standard high-speed grease.
Q: What are the dimensions for 6900ZZ?
A: The 6900ZZ dimensions are 10mm inner diameter, 22mm outer diameter, and 6mm width.
Q: Are they stainless steel?
A: No, these are made from chrome bearing steel for durability and hardness.