V-Belt Pulley Bore Type Quick Detachable Bushed Bore Material Cast Iron Number of Grooves 1 Bore Dia Bushing Required Outside Dia 3.35 In. 4L A or AX Belt Pitch Dia 2.6 In. 4LA or A Belt Pitch Dia 2.6 In. 5L B or BX Belt Pitch Dia 3 In. Fits Shaft Dia 1/2 in to 1-1/2 In. QT Bushing Required Construction Solid Industry Number BK32 Set Screw Included No For Use With 4L A AX 5L B or BX Type V-Belts