Carrying roller are used to support the conveyor belt and are installed on the groove-shape frame, groove-shape forward inclined idler frames and transition idler frames. A full range of steel rollers are available of idler rollers. Rollers include high quality bearings, multi-labyrinth sealing, greased and sealed for life and other critical specifications essential for high performance. *RANGE a) PIPE DIA. :76 mm to 152 mm D. b) PIPE LENGTH. :200 mm to 2200 mm L. c) SHAFT DIA. :16 mm to 40 mm D.