Pillow block bearing is a bearing unit that combines a rolling bearing and a bearing seat. Most outer spherical bearings have spherical outer diameters and are installed together with bearing housings with spherical inner holes. They have various structural forms, good versatility, and interchangeability.
First, check your shafting to ensure it is clean, round, straight, free of burrs and nicks, and is not undersized or oversized, per the manufacturers' specification. Use fine sandpaper or scotch bright to clean the shaft of any rust. Then use a light coat of oil to remove any debris.
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