LEESONĀ® DC Motor, C-Face SCR Rated, Special Features: 30:1 Constant Torque Speed Range, 0.5 hp, 90 VDC, 5 A, 1750 rpm, TEFC, 56C Frame, 5/8 in Shaft, Reversible, Service Factor: 1, Sealed Bearing, 190 in-lb, 40 deg C, Insulation Class: Class F, Rolled Steel, 11.81 in L x 6.5 in W x 6.32 in H