SKF 轴承型号对照表说明书
When the lubrication of a 密封唇口的润滑时,油封应用时需要有副 seal lip cannot be guaranteed, the use of seals 唇设计,推荐在油封的主唇口和副唇口之间 having an additional, secondary lip, where the space between the primary and secondary lips 的空隙注入脂进行润滑。因为上述条件下 is filled ...