Dodge Sheave, Type E1, Taper-Lock Bore Type, 1/2 to 1-1/4 in Bore Dia, 2.65 in Outside Dia, 2.6 in, 3 Grooves, 1-1/2 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