... :2000 3. This bearing is made of Gcr15-China Cylindrical Roller Bearing1.Special features:1. This bearing has the following types ... -USA,(DIN)100CR6-Germany.4. This bearing adopts J,K,M,MA,MB,ML,MP,MR retainer.5. The clearance of ... paper box , then in cartons, then in wooden pallets. Cylindrical Roller Bearing