后置代号: -RS
含义: 轴承一面带骨架式橡胶密封圈(接触式)
后置代号: -RZ
含义: 轴承一面带骨架式橡胶密封圈(非接触式)
RS1: Rubbing seal of nitrile rubber with sheet steel reinforcement at one side of
bearing
2RS: RS seal at both sides of bearing (needle roller bearing)
RZ: Low- friction rubbing seal of nitrile rubber with sheet steel reinforcement at
one side of bearing
2RZ : RZ seal at both sides of bearing
单独的Z是表示防尘盖.RZ则是有金属骨架的橡胶低摩擦密封,RZ中的Z和单独的Z意义不一样.