Grease fittings ? yokesleeves equipped with grease fittings to minimize wear and operating torque 润滑油附件-轭架套管配置润滑油附件，降低磨损和操作扭矩。
2.
Insert ball bearing units with cast iron housings are all relubricable types equipped with grease fittings to secure full performance and longer service lift of the units under any operating conditions 带铸铁外球面球轴承都带有油嘴，可重新润滑，保证在任何工作环境下具有完美的性能及长的使用寿命。
