Anonymous
Mar 16, 2026
Rating: 4/5
Good value
One felt slightly tight initially but loosened up after some use. Overall satisfied.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | RYS |
| Model Series | LM LUU Series |
| Material | GCr15 Premium Bearing Steel |
| Seal Type | Double Rubber Seal (UU) |
| Precision Grade | Normal Class |
| Inner Diameter Options | 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 13mm, 16mm, 20mm, 25mm, 30mm, 35mm |
| Outer Diameter | Varies by Model Selection |
| Length | Varies by Model Selection |
| Surface Treatment | Compatible with Hard Chrome Shafts |
| Application | CNC Machines, 3D Printers, Automation Equipment |
Anonymous
Mar 16, 2026
Rating: 4/5
Good value
One felt slightly tight initially but loosened up after some use. Overall satisfied.
Anonymous
Mar 08, 2026
Rating: 5/5
Perfect fit
Exactly what I needed for my linear rails. Dimensions matched my shaft perfectly.
Anonymous
Mar 07, 2026
Rating: 5/5
Reliable brand
Used Harbin bearings before, always good quality. Will buy again.
Anonymous
Feb 25, 2026
Rating: 5/5
Fast shipping
Arrived well packaged and protected. No damage during transit.
Anonymous
Feb 20, 2026
Rating: 5/5
Great for CNC upgrade
Smooth operation on my router build. The seals keep dust out effectively.
Q: Does this fit hardened shafts?
A: Yes, these bearings are designed for use with hardened steel shafts.
Q: What is the tolerance?
A: These follow standard ISO tolerance specifications for linear bushings.
Q: Can I mix sizes in one order?
A: Please select specific size variants at checkout for each quantity needed.
Q: Is grease included?
A: Bearings come pre-lubricated with light oil from the factory.
Q: Do you offer bulk pricing?
A: Contact us directly for special pricing on orders over 100 units.