... bushes: 3V, 5V, 8V d) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH ... split 3) The chain sprocket has A type, B type and C type; simplex, duplex, triplex and plate-wheel sprockets are available V ... , 8V-14, 8V-16 f) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH ...