Anonymous
Mar 17, 2026
Rating: 5/5
Precision Engineering
Measured with calipers, dimensions are accurate to spec.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Stainless Steel 440C |
| Shield Type | Double Metal Shields (ZZ) |
| Precision Class | ABEC-7 |
| Cage Material | Stainless Steel |
| Lubrication | Pre-lubricated with High-Speed Grease |
| Inner Diameter Range | 2mm - 11mm |
| Outer Diameter Range | 5mm - 21mm |
| Width Range | 2.5mm - 5mm |
| Operating Temperature | -20°C to 120°C |
| Package Quantity | 10 Pieces per Box |
Anonymous
Mar 17, 2026
Rating: 5/5
Precision Engineering
Measured with calipers, dimensions are accurate to spec.
Anonymous
Mar 07, 2026
Rating: 5/5
Fast Shipping
Arrived well packaged. Bearings look genuine and high quality.
Anonymous
Mar 04, 2026
Rating: 5/5
Smooth and Quiet
Used these for a custom RC car. They spin very freely and noise is minimal.
Anonymous
Mar 01, 2026
Rating: 4/5
Good Value
Quality is good for the price. Fit was slightly tight at first.
Anonymous
Feb 05, 2026
Rating: 5/5
Great Corrosion Resistance
Perfect for my fishing reel upgrade. No rust after water exposure.
Q: Can I use these in a 3D printer?
A: Yes, they are suitable for stepper motors in 3D printers.
Q: Do you sell lubricant separately?
A: Yes, please check our store for compatible bearing grease.
Q: What is the hardness rating?
A: The hardness is typically between 58-60 HRC.
Q: What is the return policy?
A: We accept returns within 30 days if unused.
Q: Are these sealed or shielded?
A: These feature metal shields (ZZ), not rubber seals.