Bearing units are mechanical fittings that are used in order to handle the load of a rotational shaft. bearings have different classifications, ball bearings and roller bearings are only two types of bearings. bearing housing units are one type of bearing that uses a housing to hold ball or roller bearings. some types of bearings are connected using bolts and nuts.
Square flange bearings
Oval flange bearing unit
Ball screw greese
INA ball screw
HIWIN ball screw