5, a standard duty, shaft orientation of both left and right, a worm gear type, an aluminum housing material, lubrication of VG 320 or 460, a frame of 140TC, a painted finish, and a TC-Face speed reducer type.This JIE DRIVES brand Worm Gearbox Size 63 has a nominal ratio of 10 to 1, an input RPM of 1725, a nominal output RPM of 172..