A
Anonymous
Apr 11, 2026
Rating: 4/5
Good Value
Solid build quality for the price. Shipping took a bit longer than expected but the product is fine.
Description
Premium Stainless Steel U-Shaped Arc Dual-Axis Guide Roller Bearing 8*22.5*14.5 U22 Fits 12mm Shaft T22
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Stainless Steel 440C |
| Inner Diameter | 8 mm |
| Outer Diameter | 22.5 mm |
| Width | 14.5 mm |
| Shaft Compatibility | 12 mm Round Rail |
| Profile Shape | U-Shaped Arc |
| Precision Grade | ABEC-7 |
| Dynamic Load Capacity | 1.2 kN |
| Package Quantity | 2 Pieces |
| Surface Finish | Mirror Polished |
5 reviews
A
Anonymous
Apr 10, 2026
Rating: 3/5
Okay Product
Works as intended but requires frequent lubrication in my specific application.
A
Anonymous
Mar 04, 2026
Rating: 5/5
Smooth Motion
Very quiet operation under load. I use these for a CNC axis and they perform reliably.
A
Anonymous
Mar 02, 2026
Rating: 5/5
Great Fit
Works perfectly on my linear rail setup. The dimensions were exact and installation was straightforward.
A
Anonymous
Feb 12, 2026
Rating: 5/5
Exact Specs
Dimensions matched the description exactly. No issues with fitting on the 12mm shaft.
5 FAQ
Q: Can I use these for vertical motion?
A: Yes, provided the load does not exceed the dynamic load capacity listed.
Q: Are replacements available?
A: Yes, please search for model U22 in our store for compatible replacements.
Q: Is this compatible with 10mm rails?
A: No, this model is specifically designed for 12mm shafts.
Q: What is the hardness rating?
A: The stainless steel is heat-treated to approximately HRC 58-60.
Q: Do I need to grease these before use?
A: They come pre-lubricated from the factory, but regular maintenance is recommended.
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