High mechanical strength,it can stand heavy dynamic and static load. It is used in high load capacities and low speed with rotational, oscillating or frequent stop-start motion.

• 机械强度大，能承受较大的动、静载荷。适用于高载低速下的旋转运动，摇摆运动及经常在载荷下启闭频繁而不易形成流体动力润滑的结合。