NJ208M Cylindrical Roller Bearing
The NJ208M bearing is a Thrust ball bearing with an inner diameter of 40 mm , an outer diameter of 80 mm, a width of 18 mm. It typically uses P0 P6 P5 grade precision tolerances and together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Cylindrical roller bearing is usually restricted to bear radial load, and the same size than deep groove ball bearing, has the big radial direction load capacity, limit speed close to deep groove ball bearing, but with this kind of bearing with the shaft, shell hole processing requirements higher, allowing the inner ring and outer axis axis inclination is small (2 ° - 4 °), two axis inclined such as beyond the limits, roller and ring raceway contact situation will worsen, the serious influence bearing load capacity, reduce the service life of the bearings. So this kind of bearing such as the need to install the under axial load effect of main parts, only at the same time use other types of bearing to go to bear axial load premise, only can use.
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