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The Lovejoy C-276 jaw coupling is available in 4 different configurations, SOX, Ureathane, Hytrel and Bronze.

At Twin Spring we don’t offer any because we don’t use spider inserts. 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 C-276 jaw coupling

Industrial power transmission couplings

Lovejoy C-276 – TSC500 3/4″ (SOX)


Lovejoy C-276 jaw coupling replacement (SOX) by the TSC500 500 ft lbs replacement for Jaw couplings in any industrial power transmission application. Twin Spring Coupling mechanical power transmission couplings have no internal components so no annual maintenance and can run at high and low speed as needed. No internal bearings that need to be constantly greased or replaced when worn out. Our coupling is available in all the standard industry splines for easy replacement or retrofit for OEM. Flexible up to 20 degrees under load (25 degrees not under load).


Spicer, KTR, SIT, Huco, Altra Motion, Belden, Tsubaki, R+W, Lovejoy, TB Woods, Guardian Couplings, Ruland, Helical, Boston Gear.