AK- H and BK- H V-Belt Pulleys use H Bushings sold separately.AK/AKH Sheaves are available in 1 or 2 grooves ​and BK/BKH are offered in 1, 2 & 3 grooves. Bushed pulleys provide more flexibility of inventory, by just changing out the bore size of the bushing.Combination groove on the AK Sheaves can accommodate ( 2L, 3L, 4L, 5L, A, AX) for maximum flexibility. Combination groove on the BK Sheaves can accommodate belts (4L, 5L, AX, BX, A & B) for maximum flexibility. All sheaves are balanced & accurately machined to minimize vibration First in the industry to provide sheaves with the durability of a power coat paint which protects product from rusting in high moisture environments

AK- H and BK- H V-Belt Pulleys use H Bushings sold separately.AK/AKH Sheaves are available in 1 or 2 grooves ​and BK/BKH are offered in 1, 2 & 3 grooves. Bushed pulleys provide more flexibility of inventory, by just changing out the bore size of the bushing.Combination groove on the AK Sheaves can accommodate ( 2L, 3L, 4L, 5L, A, AX) for maximum flexibility. Combination groove on the BK Sheaves can accommodate belts (4L, 5L, AX, BX, A & B) for maximum flexibility. All sheaves are balanced & accurately machined to minimize vibration First in the industry to provide sheaves with the durability of a power coat paint which protects product from rusting in high moisture environments