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.
machine gun, caliber .50 m2 series with tripod m3 and mount m63 end item identification, assembly, tapered bearing part name assigned by controlling agency