... bearing and packaging 2.competitive price 3.ISO9001:2000 54418U External Aligning thrust ball bearing Details: Shield / closure: Open ball bearing ... , C4 Material: AISI52100, AISI440C, AISI304, AISI316 Retainer: PTFE, nylon, PEEK or (stainless)steel 54418U External Aligning thrust ball bearingSpecifications:Single direction thrust ...