Rolling wheel cage shoe

The utility model provides a roller trunnion, which comprises a support and a base, one end of the support is connected with a bumper, the support is connected with a rolling wheel with a shaft, the bumper is provided with a damper cylinder, the damper cylinder is arranged with an adjusting slide sleeve, the lower part outer wall of the adjusting slide sleeve is arranged with a preload adjusting plate, the adjusting slide sleeve is arranged with a length adjusting plug, the outer wall of the length adjusting plug is equipped with an outer screw thread, the circumferential adjusting slide sleeve is equipped with a plurality of first through holes, one end periphery of the length adjusting plug is equipped with a second through hole, a first elongated fastening piece is movably fit and arranged in the first through holes and the second through hole, and two ends of the first elongated fastening piece are separately buckled towards one side. The utility model has the advantages that: due to adopting the locking