TAPER MINOR DIAMETER: 0.970 IN. NOMINAL; MAJOR DIAMETER: 1.290 IN. NOM.; BOLT CIRCLE DIAMETER: 1.318 IN. NOM.; FLANGE THICKNESS: 0.6880 IN. NOM.; MOUNTING HOLE DIAMETER: 0.180 IN. NOM.; OVERALL DIAMETER: 1.740 IN. NOM.; BORE LENGTH: 0.688 IN. NOM.; HUB LENGTH: 0.246 IN. NOM.; HUB OUTSIDE DIAMETER: 0.740 IN. NOM.