... 4.Low Noise And Vibration ZWZ Self-aligning Ball Bearing 1320M Application:It widely used in mechanical equipments of steel, mine ... Brand Name:ZWZInside Diameter:100 mmOutside Diameter:215 mmModel Number:1320M Precision Rating: P0,P6,P5,P4Seals Type: Bearing sealNumber of ... : 3400r/minWeight:9.24 KG ZWZ Self-aligning Ball Bearing 1320M