... bearing and packaging 2.ISO9001:2000 3.SKF,NSK pillow block ball bearingDetails: (1)Shield / closure: Open ball bearing, Z, ZZ ... , AISI304, AISI316 (6)Retainer: PTFE, nylon, PEEK or (stainless)steel Pillow block ball bearing:Specifications:The pillow block ball bearing is composed of ... ,NSK,SKF,TIMKEN,KOYO,NICHI,FAG,and so on. pillow block ball bearing