Anonymous
Mar 27, 2026
Rating: 5/5
Great replacement part
Fixed my wobbly 3D printer bed.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | High Carbon Chromium Steel |
| Seal Configuration | Double Rubber Seals (UU) |
| Rail System Compatibility | SBR Supported Round Rail |
| Shaft Diameter Options | 10, 12, 13, 16, 20, 25, 30, 35, 40, 50 mm |
| Dynamic Load Capacity | Varies by Selected Size |
| Static Load Capacity | Varies by Selected Size |
| Lubrication Status | Pre-greased with Lithium Soap |
| Item Condition | Open-Box (Functionality Tested) |
| Operating Temperature | -10°C to 80°C |
| Country of Manufacture | Imported |
Anonymous
Mar 27, 2026
Rating: 5/5
Great replacement part
Fixed my wobbly 3D printer bed.
Anonymous
Feb 24, 2026
Rating: 5/5
Smooth linear motion
No binding on SBR20 rails.
Anonymous
Feb 22, 2026
Rating: 3/5
Grease was excessive
Had to clean some off before install.
Anonymous
Jan 27, 2026
Rating: 5/5
Perfect for CNC Router
Installed on my X-axis. Very smooth movement.
Anonymous
Jan 24, 2026
Rating: 4/5
Good value for money
Box was opened but item looks unused.
Q: What does UU stand for?
A: It indicates double rubber seals on both sides.
Q: Is the open-box item warranty same as new?
A: Yes, same 30-day return policy applies.
Q: Are these suitable for outdoor use?
A: Seals protect against dust, but rust protection is limited.
Q: Can I mix sizes on one rail?
A: No, all bearings on a rail must match shaft diameter.
Q: Does this come with mounting screws?
A: No, bearings only.