Sure-Flex Plus Coupling Size 10 Maximum Speed 3 600 RPM Maximum Torque 11 350 in-lb Outside Diameter 7 1/16 in Insert Construction - New 2-Piece Angular Misalignment 0.25 Degrees Horsepower @ 100 RPM 18 hp Insert Material Hytrel Insert Width 3 7/16 in Parallel Misalignment 0.02 in System of Measurement Inch Torsional Stiffness 100 000 in-lb/rad Application Compressors Conveyors Electric Motors Fans/Blowers Mixers Pumps Maximum Operating Temperature 250 Degrees F