Boston Gear BF133/4X7/8 Shaft Coupling

Spider Ring (3-Jaw), Coupling Size BF13, 1.625" Hub Diameter, 0.875" Driven Hub Bore, 0.750" Driver Hub Bore, 1.969" Max Outer Diameter, 4 horsepower Max HP, 160 pounds per inch Max Torque

BF Series Bost-Flex^® Spider Ring (3-Jaw) Type Coupling is an economical 3 Jaw coupling. The spider ring urethane insert absorbs shock and vibration and provides through opening for close coupling of shafts.