... price 4.long life 5.OEM accepted High precision pillow block bearing UCP206Pillow block bearings are lubricated,self aligning ... machine ball bearings for smooth,even performantce .Pillow Block Bearings are consisted of one piece cast-iron ... your requirement, such as SRL ,PS2, Alvania R12 ,etc.Ring MaterialChrome Steel /Carbon steel/ Stainless steelTolerance GradeGB/T307.1-205Quality ...