Standard Size: LM30UU linear cylindrical motion ball bearing, with 30mm inner diameter, 45mm outer diameter and 64mm length, stable and durable.
Bearing Steel Material: Using excellent bearing steel, with special heat treatment process, has high hardness, wear and corrosion resistance, and long service life.
High Performance: These linear motion ball bearing features low noise, high rotational speed, high accuracy, low friction and good rotational performance.
Wide Application: These LM30UU linear ball bearings provide accurate low friction linear motion and are widely used in 3D printers and CNC machines.
Glossy Finish: The ball bearing has a glossy appearance, no burrs and no gaps, and will not hurt hands or scratch other accessories when using.