Bearing steel(GCr15) and nylon races, high hardness, and great wear resistance, showing stable performance and lasting service life.
Both sides are shielded to keep lubricant and protect from dirt and debris.
ABEC3 precision for smooth operation and accurate linear motion guidance.
Precision bearing fits for the rail track system. Suitable for 3d printers, aluminum doors and window, sliding barn doors, pulleys and drawers, household appliance, etc.
