bearing housing ,idler fittin,end cap,cap ,we can supply as client's request We ... ,3.trough idle4.idler group with frame5.idler frame6.bearing housing 7.labyrinth seal 8. friction idler 9.taper shape idler ... , 133mm, 140mm, 159mm, 165mm, 178mm, 194mm, 219mm. They almost cover all belt width requirement. The correct idler length could be selected ...