滚筒支承 idler

支承滚柱 supporting roller ; [建] support roller

活动支承滚柱 expansion rollers

直线运动滚动支承 linear roll bearing ; Linear motion rolling bearings

支承滚筒 counterpressure cylinder

支承滚轮 Supporting Roller Wheel

滚柱轴承支座 roller bearing support

支承滚轮轴承 Hold

支撑滚轮轴承 Tag name