Dodge Sheave, Type E1, Taper-Lock Bore Type, 1/2 to 1-1/4 in Bore Dia, 2-1/2 in Outside Dia, 2.45 in, 2 Grooves, 1.59 in Face Width, JA Bushing, For Use With: 3V Cross Section Belts, Cast Iron, Gray Isolates shock loads and vibrationMinor misalignment capabilityDrive ratios of 6:1 or more possibleLow maintenanceNo lubrication requiredTypically 95% efficiency can be obtained