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.
13.5 millimeters nominal cup width, 18.0 millimeters nominal cone width, 41.0 millimeters maximum bore diameter, 1.5 millimeters maximum backface corner radius, rigid alignment type