... 3,Quick delivery,good service 4,deep groove ball bearing Deep groove ball bearing Application:The deep groove ball bearing can be used in many ... , construction machinery, construction machinery, and so on. Deep groove ball bearing Features:1,Structure:General,flanged,extended inner ring2, ... ,Retainer: PTFE, Nylon, PEEK Or Stainless Steel8,Bore Size:from 1mm to 300mm9,Outside Diameter:from 3mm to 500mm ...