For belt conveyor delivery speeds up to 150 FPM, return rollers are of 11 gauge steel, Ø2 1/2†O.D. tubing with internally-mounted sealed precision ball bearings and spring loaded 11/16†steel hex shafts.
For belt conveyor speeds above 150 FPM, return rollers are of 9 gauge steel, Ø3 1/2†O.D. tubing with internally-mounted sealed precision ball bearings and spring loaded 11/16†steel hex shafts.
All return rollers mount between galvanized brackets on the inside portion of the conveyor bed.