The Lovejoy D-5 universal joint coupling is friction bearing universal joint, only capable of 1750 RPM.
At Twin Spring we have a no greasing/bearing replacement. The Twin Spring design absorbs vibration and one ball bearing allows the coupling to flex to 45 degrees.
Offering high speed (Up to 7000 rpm) and high torque (up to 500ft lbs. nominal static torque)
The Twin Spring Coupling is a great maintenance free replacement for the Lovejoy D-5
Industrial universal joints
Lovejoy D5B 1/2" Block and pin universal joint couplings, replace today with a Twin Spring Coupling TSC150. Nominal Torque: 150ft lbs./149kw/1800 in lbs. Flexible: Up to 25°. High Speed: Up to 7000 RPM. No Friction bearings to grease or replace when worn. Replaces Lovejoy, Belden, Ruland, Curtis, SKF, Spicer, Boston Gear, SIT and all other universal joint manufacturers.