To obtain predetermined preload clearance after attachment. initial internal clearance has setup. Preload adjustment during an assembly process is unnecessary.
The type with a built-in seal has unnecessary seal fixation during an assembly process.
Design for high temperature. and high rotating speed.
High performance seal to prevent the ingress of dust and water.
This bearing has longer operating life under engine vibration conditions because of excellent grease for high temperature. high rotating speed and vibration.