asahi pillow block bearing
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ntn uc205 pillow block bearings 

Pillow block bearings

Pillow block bearings are mounted bearings that are used to provide load support for a rotating shaft??s axis. Their mounting surface is on a line parallel to the axis of the shaft. Elongated bolt holes in the base or feet of pillow block bearings permit adjustment and easy mounting. Product categories include plain bearings, ball bearings, cylindrical-roller bearings, needle-roller bearings, tapered-rolling bearings, hydrodynamic bearings, and more. With pillow block bearings, product selection is based on shaft size, radial and thrust load requirements, and dimensions and measurements.

There are two common types of  spherical  bearings :
1.UC type  of  bearings  inserting  with set screws .
2.UK class of  bearings  inserting  with  two conical  bores .
Pillow block ball bearings   can  divided  into  bearing heart and bearing  seat , in the name for  calling  the heart  coupled with  bearing seat, such as  the  Spherical Bearing UC205   with set screws is called  UCP205.
As the outer spherical bearing   has a strong interchangeability, Bearing heart can be free to assemble insde  the bearing  seats in same  size  but  dieffent shapes .