Jaw Coupling Spider, Coupling Size JC21, JCC21, JS21, JSC21, MJC33, MJCC33, MJS33, MJSC33, Outside Diameter 1 5/16 in, System of Measurement Inch, Maximum Speed 8,000 RPM, Horsepower @ 100 RPM 0.1110 hp, Spider Material Polyurethane, Maximum Torque 70...