| 摘要 |
PROBLEM TO BE SOLVED: To provide a track roller assembly of a working machine. SOLUTION: This track type working machine includes: a roller frame; and a track extended in the periphery of the roller frame. The track roller is mounted along the roller frame to be rotatable with respect to the track. The track roller is rotatably supported by a bearing including a shaft extended in the track roller and at least one sleeve rotatable around the shaft. At least one of a sleeve and the track roller includes a crown for transmitting the load. Further, according to this method of reducing the load of the edge of the track roller bearing, at least partially a crown is given to the rotatable sleeve of the bearing to transmit the selected load on the bearing toward the center thereof. COPYRIGHT: (C)2006,JPO&NCIPI
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