Sheaves are manufactured in Dodge plants under strict quality control assurances. Precision machining meets or exceeds joint extended belt life. Dodge manufactures all sheaves in plants certified to ISO 9002 quality standards. Dodge Sheave, Type A3, Taper-Lock Bore Type, 15/16 to 3-1/4 in Bore Dia, 20.4 in Outside Dia, 20.4 in, 4 Grooves, 4.37 in Face Width, 3030 Bushing, For Use With: C-Cross Section Belts, Cast Iron, Gray Isolates shock loads and vibrationMinor misalignment capabilityDrive ratios of 6:1 or more possible1100 design hp at 1180 rpm/800 design hp at 1770 rpm stock drive selectionLow maintenanceNo lubrication requiredTypically 95% efficiency can be obtained