| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain the easiness of an assembly work without the complication of the assembly operation of a reduction gear. SOLUTION: In a running reduction gear using the rolling bearings 6, 6' of an inner/outer race separation type to the place for supporting the hub 4 of a running start wheel 2 directly connected to the final step output part of a planet gear reduction mechanism turnably on the rotary support part 5a in the motor case 5 assembling a hydraulic motor, a cover 15 provided with an inner race holder 15a catching the inner race 6a of the rolling bearing 6 only at the assembly time is installed on the outside surface of a bearing mounting hole 4a of the hub 4 on the running start wheel.</p> |
