... with filling slotsApplicable industries:1. Precise instrument and meter2. Low noise motor,gearbox3. Automobile, Motorcycle4. Household appliance5. Combusition engine6. Traffic ... : open bearing, Z, ZZ, RS, 2RS.5) Vibration and Noise level: Z1, Z2, Z3. ZV2, ZV3, Z2V2, Z3V3.6) Precition ... level: ABEC1, ABEC3, ABEC5,ABEC7.9) Packing: Tube packing, individual ...