pillow block bearing 1)Gcr15(AISI52100) chrome steel 2)Hardness: ... Z1,Z2,Z3,Z4 4)P0,P1,P2,P3,P pillow block bearing UCFL300series 1)Radial insert ball bearings are ... means of an eccentric locking collar grub screws in the inner ring,an adapter sleeve,drive slot or fit.2) ... housingare matched ti each other.3)Housing materials cast iron pillow blocks/cast iron plummer blocks/sheet steel housing/plastic ...