... 1) V-belt pulleys 2) Timing belt pulleys 3) Variable speed pulleys 4) Flat belt pulleys 5) Conveyor belt ... V-belts SPZ, SPA, SPB, SPC; A, B, C, Z, wrapped V-belts, raw-edge V-belts, cogged V ... grooves B) Adjustable speed V-belt pulleys and variable speed pulleys C) Flat belt pulleys and conveyor belt pulleys 2) ... 8V B) Sheaves for QD bushings 3V, 5V, 8V C) Sheaves for split taper bushings 3V, 5V, 8V D) ...