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.
2.5 millimeters nominal backface corner radius, 39.00 millimeters nominal cone width, 32.00 millimeters nominal cup width, 54.985 millimeters minimum and 55.000 millimeters maximum bore diameter, 3.0 millimeters nominal cone corner radius