| 摘要 |
PROBLEM TO BE SOLVED: To support an axle by a ball bearing by making use of a conventional axle driving case. SOLUTION: In a structure for supporting left and right axles 19L (19R) on an axle case part 7a through bearings, axles are supported by bearings by filling needle bearings in recessed parts 7d (7b) formed on the outer end surfaces of the axle case part 7a, a bearing holder 38 is attached to the outer end surface of the axle case part if load acting on the axle is large and the axle can not be supported by the needle bearing, and the axle is supported by the ball bearing 39 in the bearing holder 38. |
