. Railway mechanical engineer . -3i- -H One Thus, AxleShel. No. One Thus. AtleHeel. UpperOne Thus. Sieel. No. 3. Ball Bearing Pipe Center finished length of 9J^ in. and a diameter of 3 13/16 the largest portion. A ball race is cut as indicated for23 steel balls. The ball cup 3, is also made of axle steel,being provided with a flange over which the retaining ringJ is applied. This ring screws on to the large diameter ofthe body. When once the ring is adjusted it is held in po-sition by a set screw, a piece of copper being applied at theend of the set screw to prevent damaging th
. Railway mechanical engineer . -3i- -H One Thus, AxleShel. No. One Thus. AtleHeel. UpperOne Thus. Sieel. No. 3. Ball Bearing Pipe Center finished length of 9J^ in. and a diameter of 3 13/16 the largest portion. A ball race is cut as indicated for23 steel balls. The ball cup 3, is also made of axle steel,being provided with a flange over which the retaining ringJ is applied. This ring screws on to the large diameter ofthe body. When once the ring is adjusted it is held in po-sition by a set screw, a piece of copper being applied at theend of the set screw to prevent damaging the threads onthe body. The outer end of the body is turned to 13^ in. this is placed the brass bushing 5 which has a slidingfit on the body and revolves on it. It is held in place by aknurled brass nut 4, 1/64-in. play being allowed betweenthe nut and the bushing. The tapered center on which thepipe rests fits over the bushing and revolves with it and theball bearing cup 2. The ball bearing feature of this pipe center is especiallyinteresting and has
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
