uxcell R188 Full Ceramic Bearings 1/4 x1/2 x3/16 Deep Groove Miniature Ball Bearing Zirconia ZrO2
- R188 (I.D.=1/4", O.D.=1/2", Thickness=3/16").
- Full ceramic bearing with good corrosion resistance, wear resistance, heat resistance and insulation..
- Specially for high precision and high speed operation.
- Open on both sides for lubricating in place.
- Applications: Optical instruments, printing machinery, machine tools, high-speed motor, low temperature engineering..