SC8UU linear bearing for accurate motion on 8mm shafts
The SC8UU linear bearing is a housed linear ball bearing designed for accurate linear motion on an 8mm linear shaft. The unit combines an LM8UU linear bearing with an aluminium housing, creating a compact assembly that is easier to mount on motion systems.
The housed design supports precise, low-friction linear movement in applications where smooth travel and repeatable positioning are important. SC8UU bearing blocks are generally used on 3D printers and CNC machines.
Key features of the SC8UU bearing block
- Built for 8mm linear shafts: Sized for use on standard 8mm smooth rods and linear shafts.
- LM8UU bearing installed in housing: The assembly consists of an LM8UU linear bearing mounted inside an aluminium housing.
- Secured with 2 circlips: The internal bearing is held in place with 2 circlips for stable retention inside the housing.
- Simple mechanical mounting: The aluminium housing includes 4 tapped holes at the bottom for mounting to a plate or bracket.
- Low-friction linear travel: Linear ball bearing construction helps provide precise movement with reduced friction.
- Long-lasting service: These bearings have proven to be long lasting when used and maintained appropriately.
Where the SC8UU linear bearing is used
This linear bearing block is generally used on 3D printers for guided axis movement, carriage support, and other assemblies that run along 8mm shafts. The bottom mounting holes make the SC8UU bearing easier to attach to machine plates and brackets.
On CNC machines, the housed bearing is used where accurate linear guidance and smooth motion are needed in a compact mounted format. The combination of an LM8UU bearing and aluminium housing suits projects that need dependable mechanical alignment and straightforward installation.
Maintenance for smooth linear motion
General maintenance for the SC8UU linear bearing is simple: clean the shafts once in a while and keep the shafts lightly oiled. Regular shaft cleaning and light lubrication help maintain precise, low-friction linear movement.
Technical specifications
| Bearing type | Linear ball bearing with aluminium housing |
| Shaft size | 8mm linear shaft |
| Internal bearing | LM8UU linear bearing |
| Retention | Held in place with 2 circlips |
| Mounting | 4 tapped holes at the bottom |
Will it work with my printer?
Frequently asked
What printers are saying
SC8UU Linear Bearing
All orders are shipped from and processed in Canada. Duties, taxes, tariffs, and credit card foreign transaction fees may apply.