A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes:bearing,roller,thrust.
39.688 millimeters nominal cone width, 3.5 millimeters nominal cone corner radius, 30.162 millimeters nominal cup width, 3.3 millimeters nominal backface corner radius, 196.850 millimeters nominal bore diameter