General purpose straight jaw coupling hubs attach to motor and equipment shafts using a set screw or keyway
Two couplings of the same size are locked together with a compatible straight jaw spider
These hubs are interchangeable with other brands according to the coupling size identifier
Providing a reliable solution for uniform to heavy shock loads, this durable jaw coupling hub is directly interchangeable with industry standard couplings. It's designed for extreme conditions, and is ideal for use with variable-speed and variable-torque applications. No lubrication or maintenance is required. Note: A complete assembly requires two hubs and one jaw coupling spider, available separately. This listing is for each. Technical Specification Item Jaw Coupling Hub Bore Dia. 1-1/8' Material Sintered Iron Keyway Size 1/4' x 1/8' Outside Dia. 3.75' Overall Length 4.50' Size L150