Conforms to conventional standards. type 5-1 is not applicable to the Mechanical ball bearing Factory occasions where the rolling elements run directly on the surface of the shaft or the seat hole, unless the corresponding shaft or the seat hole […]
Conforms to conventional standards. type 5-1 is not applicable to the Mechanical ball bearing Factory occasions where the rolling elements run directly on the surface of the shaft or the seat hole, unless the corresponding shaft or the seat hole […]