Uxcell a13042400ux0504 SBR20UU 20mm Open Bearing Slide Linear Motion, 1.9" Width, Metal, Rubber

Specifications:/P> description:/P> the universal ball bearings is great for you to replace the damaged ball bearings in your devices to improve them efficiency and save energy. Widely used in home appliances, industrial, low noise and high speed electric motors, construction machinery, automotive components, pumps, and machinery. Smooth moving, low friction, high rigidity and long life. Economical, easy to maintain replace.