Ball: AISI 52100 bearing Steel, Heat treated, HRC56 min; Precision ground, Polished hard chromium plated Body: Alloy steel heat treated, Zinc plated; Race: Nylon polymer PTFE additive Sliding contact surfaces: Steel/Nylon

Ball: AISI 52100 bearing Steel, Heat treated, HRC56 min; Precision ground, Polished hard chromium plated Body: Alloy steel heat treated, Zinc plated; Race: Nylon polymer PTFE additive Sliding contact surfaces: Steel/Nylon

Ball: AISI 52100 bearing Steel, heat treated, HRC56 min; Precision ground, polished hard chromium plated Body: Carbon steel, Zinc plated Race: Nylon polymer PTFE additive Sliding contact surfaces: Steel/Nylon

Ball: AISI 52100 bearing Steel, heat treated, HRC56 min; Precision ground, polished hard chromium plated Body: Carbon steel, Zinc plated Race: Nylon polymer PTFE additive Sliding contact surfaces: Steel/Nylon

Ball: Ball: AISI 52100 bearing Steel, heat treated, HRC56 min; Precision ground, polished hard chromium plated Body: Carbon steel, Zinc plated , heat treated, HRC56 min; Precision ground, polished hard chromium plated Body: Chromoly steel heat treated, Zinc plated; Race: Nylon polymer with PTFE additive Sliding contact surfaces: Steel/Nylon

Ball: Ball: AISI 52100 bearing Steel, heat treated, HRC56 min; Precision ground, polished hard chromium plated Body: Carbon steel, Zinc plated , heat treated, HRC56 min; Precision ground, polished hard chromium plated Body: Chromoly steel, Zinc plated, chromate treated Race: Nylon polymer with PTFE additive Sliding contact surfaces: Steel/Nylon