Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Model Series | SBR10UU to SBR50UU |
| Bearing Type | Open-Type Linear Ball Bearing Block |
| Material | High Carbon Chromium Steel (GCr15) |
| Surface Hardness | HRC 60-64 |
| Seal Type | Double Rubber Seals (UU) |
| Compatible Shaft | SBR Supported Linear Round Shaft |
| Precision Grade | Normal Industrial Grade |
| Lubrication | Pre-lubricated with Anti-Rust Grease |
| Mounting Style | Standard Bolt-On Flange |
| Country of Origin | China |
Anonymous
Apr 13, 2026
Rating: 5/5
Smooth operation
Used these for a 3D printer upgrade. Noise levels are low and the movement is consistent. Packaging was secure.
Anonymous
Apr 03, 2026
Rating: 4/5
Good value for money
Solid construction. They were a bit stiff out of the box but loosened up after some use. No issues so far.
Anonymous
Mar 28, 2026
Rating: 5/5
Perfect for my CNC build
These blocks fit the SBR20 shafts perfectly. Very smooth motion after a bit of break-in. Highly recommend for hobbyist CNC machines.
Anonymous
Mar 09, 2026
Rating: 5/5
Exact specifications
Measured the bore and it matches the standard SBR shaft dimensions exactly. No wobble or play.
Anonymous
Feb 16, 2026
Rating: 4/5
Solid bearings
Works as expected. Just make sure your shafts are hardened, otherwise these will wear out quickly.
Q: Can these be used in vertical applications?
A: Yes, they can be used vertically, but ensure the load is within the specified limits to prevent premature wear.
Q: Are these compatible with standard round steel shafts?
A: Yes, these are designed specifically for hardened and ground round linear shafts in the SBR series.
Q: Do you sell the matching SBR rails separately?
A: Yes, we carry the corresponding supported linear rails. Please check our store category for Bearings & Bushings.
Q: Do I need to add grease before installation?
A: The blocks come pre-lubricated, but adding additional grease during maintenance is recommended for longevity.
Q: What is the load capacity for the SBR20UU model?
A: Dynamic load capacity varies by size. For SBR20UU, please refer to the technical datasheet provided in the product images.
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