Thrust Truck Tyre bearing the following points should be installed.(1) distinguish between NSK impt Truck Tyre tight rings loose bearing ring (accding to Truck Tyre to determine the size of bearing diameter pe size difference O.1 ~ O.5mm).(2) distinguish between body parts at rest (ie moving parts does not occur mainly refers to the assembly.)(3) Whatever the case NSK Truck Tyre bearing rings should always be against the loose ends of the surface of stationary items.