V-Belt Pulley, 4 In OD, 5/8 In Bore, 1GRV

V-Belt Pulley, 4 In OD, 5/8 In Bore, 1GRVV-Belt Pulley, Fixed Bore, Bore Dia. 5/8 In., Outside Dia. 4.00 In., 1 Groove, Solid Construction, 3L Belt Pitch Dia. 3.55 In., 4L, A, or AX Belt Pitch Dia. 3.85 In., 3/16 x 3/32 In. Keyway, Die Cast (Zamak #3) Material, For Use With 3L, 4L, or A Type V-Belts Fixed-Bore 1-Groove Die-Cast SheavesPrecision sheaves have machined grooves and bores for high concentricity. Hollow-head setscrews. 6" dia. and larger are spoke construction to further reduce weight. All bores above 1/2" (except 3X893) have keyways.Zamak/zinc alloy