639/Deep groove ball bearing

639/Deep groove ball bearing:1 brand: SKF FAG INA ASAHI TIMKEN  KOYO OEM,etc.2 product categories: deep groove ball bearing, angular contact ball bearing, four point contact ball bearing , self-aligning ball bearing,thrust ball bearing,cylindrical roller bearing,entity bushed needle roller bearing,tapered roller bearing,spherical roller bearing ,thrust cylindrical roller bearing,thrust needle roller bearing,thrust tapered roller bearing,spherical thrust roller bearing,clutch bearing,etc.3 retainer:cooper,nylon,bakelite,stainless.4 quality:ISO9000,bearing steel5 delivery:great stock and ready goods6  Bore diameter: 100mm - 1800mm7 Precision level: P4, P5, P6, P0 or ABEC7,5,3,15. Material: GCr15, SiMn etc8 feature:low noise,long life ,high precision,9 apply:machine tools,electrical ,railways,automotive,construction machinery and various kinds of professional machinery10 packing: plastic bag+single box+carton+pallet.(according to your requirement)