... 9) Sheaves V-belts SPZ, SPA, SPB, SPC; A, B, C, Z, wrapped V-belts, raw-edge V-belts, cogged ... bushings SPZ, SPA, SPB, SPC; Up to 10 grooves B) Adjustable speed V-belt pulleys and variable speed pulleys C ... American standard A) Sheaves for taper bushings 3V, 5V, 8V B) Sheaves for QD bushings 3V, 5V, 8V C) Sheaves ... 5V, 8V D) Sheaves for 3L, 4L or A, and 5L or B belts AK, AKH, 2AK, 2AKH, BK, BKH, 2BK, 2BKH ...