Bearings and miscellaneous – This category includes ball bearings or those bearings that for some reason are found to favor the sliding of components. Usually in the entry and exit operation of retractable tail lift to limit the wear of the components that rub against each other. Also here, you will find the pin stopper that are used to lock the pins in their position and prevent them from rotating on themselves. But also the grease nipples always for pins or bolts and related protective caps.