... 4:Good serivce Ceramic ball bearing 6041:Ceramic bearing has high temperature resistance, cold resistance, wear resistance, corrosion resistance, resistance ... PEEK, PI, AISISUS304, SUS316, Cu, etc. Ceramic bearingFeathers & Specification of NBAY Ceramic bearing:Brand NameYNR,according to your needModel:604 ... T/T In Advance, 70% T/T Against Copy Of B/LB: 100% L/C At SightPacking:Industrial package or ...