Dodge Single Groove Sheave, Taper-Lock Bore Type, 1/2 to 2-11/16 in Bore Dia, 14 in Outside Dia, 13.95 in, 0.813 in Face Width, 2517 Bushing, 1-3/4 in Overall Length, For Use With: 3V Cross Section Belts, Cast Iron Isolates shock loads and vibrationMisalignment capabilityLow maintenanceNo lubrication requiredQuiet operation motors, etc. are normally at a higher db level than V-drivesEfficiency of 95% is typical