The Lovejoy NB-10 needle bearing universal joint is a high speed coupling but requires extra maintenance and replacement parts in its lifespan.
At Twin Spring we don’t offer any because we don’t use bearing crosses like in uni joints. 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 NB-10 U joint.
Industrial power transmission couplings
Lovejoy NB-10B – TSC500 Needle bearing universal joint replacement
Lovejoy NB-10B needle bearing universal Joint, replace today with a Twin Spring Coupling TSC500. Nominal Torque: 500ft lbs./495kw/6000 in lbs. Flexible: Up to 35°. High Speed: Up to 7000 RPM. No bearings to grease or replace when worn. Replaces Lovejoy, Belden, Ruland, Curtis, SKF, Spicer, Boston Gear, SIT and all other universal joint manufacturers.
For more information and pricing, contact us at Quotation request
Contact our State Sales Agents or one of these distributors

Industrial power transmission couplings
Lovejoy NB-10B – TSC500 Needle bearing Universal Joint replacement T6061 T6 Aluminum
Lovejoy NB-10B needle bearing Universal Joint alternative, replace today with a Twin Spring Coupling TSC500 T6061 T6 Aluminum alternative. Nominal Torque: 500ft lbs./495kw/6000 in lbs. Flexible: Up to 35°. High Speed: Up to 7000 RPM. No bearings to grease or replace when worn. Replaces Lovejoy, Neapco, Moog, Belden, Ruland, Curtis, SKF, Spicer, Boston Gear, SIT and all other universal joint manufacturers.
For more information and pricing, contact us at Quotation request
Contact our State Sales Agents or one of these distributors

Industrial power transmission couplings
TSC500 Industrial 5/8″ Universal joint and jaw coupling alternative
TSC500 Industrial 5/8" universal Joint and jaw coupling alternative. Nominal Torque: 500ft lbs./495kw/6000 in lbs. Flexible: Up to 35°. High Speed: Up to 7000 RPM. No bearings to grease or replace when worn. Replaces Lovejoy, Belden, Ruland, Curtis, SKF, Spicer, Boston Gear, SIT and all other universal joint and jaw coupling manufacturers.
For more information and pricing, contact us at Quotation request
Contact our State Sales Agents or one of these distributors

Industrial power transmission couplings
TSC500 Industrial universal joints, jaw coupling and elastomeric coupling replacement
Twin Spring Coupling TSC500 Industrial Universal Joint, jaw couplings and elastomeric coupling replacement. Nominal Torque: 500ft lbs./495kw/6000 in lbs. Flexible: Up to 35°. High Speed: Up to 7000 RPM. No bearings to grease or spider insert replace when worn. Replaces Lovejoy, Belden, Ruland, Curtis, SKF, Spicer, Martin, Moog, Neapco, Rexnord, KTR, Guardian Couplings, Boston Gear, SIT and all other coupling manufacturers.
For more information and pricing, contact us at Quotation request
Contact our State Sales Agents or one of these distributors
