Dodge branded sheaves come in two bushing styles, QD and Taper Lock. In addition to these bushing choices, Dodge now offers choices within our QD sheaves line. Our QD sheave line comes in a standard duty and a heavy duty offering. Dodge Sheave, Block Heavy Duty Type A, QD Bore Type, 1 to 4 in Bore Dia, 9.9 in Outside Dia, 9.9 in, 8 Grooves, 8.37 in Face Width, F Bushing, 8.37 in OAL, For Use With: C-Cross Section V-Belt, Iron, Gray Isolates shock loads and vibrationMinor misalignment capabilityDrive ratios of 6:1 or more possibleLow maintenance drive and no lubricationNo lubrication requiredTypically 95% efficiency can be obtained