... pulleys 1) V-belt pulleys 2) Timing belt pulleys 3) Variable speed pulleys 4) Flat belt pulleys 5) Conveyor belt pulleys 6 ... , SPB, SPC; Up to 10 grooves B) Adjustable speed V-belt pulleys and variable speed pulleys C) Flat belt pulleys and conveyor belt ... , BKH, 2BK, 2BKH, 3BK E) Adjustable sheaves poly V-pulley, multi-pitch H, L, J, K and M 3) Bore pilot ...