In standard angular contact ball bearings and tapered slewing ring bearings roller bearings developed on the basis precision spindle bearing, it sets bearing as a whole, with good assembly performance can be omitted clearance adjustment, light weight, compact structure, large load capacity, for can advance into the grease sealed bearings, seals and hub maintenance omitted from the outside wheel, etc., have been widely used in cars, Spherical roller bearings and in the truck also has a tendency to gradually expand the application.
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