... roller bearing,tapered roller bearing,thrust ball bearing,thrust roller bearing,needle bearing,inserted bearing with housing,combined bearing,joint bearing,linear motion bearing3.Bearing ... double row5.Material:Chrome steel,stainless steel ,bearing steel6.Vibration noisy lever:Z1,Z27.Tolerance codes ... -1000mm IDZ 2Z RZUsage:deep groove ball bearing can be used for transmission,instrumentation,motors, ...