| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller assembly for a lower traveling body assembly having a seal member with many splines. SOLUTION: This roller assembly for the lower traveling body of a working machine has a roller shaft. The roller assembly also has a shaft opening part, the first number of splines installed in the shaft opening part, and a collar for accepting a roller shaft passing through the shaft opening part. The roller assembly engages with the first number of splines inserted between the roller shaft and the collar and installed in the collar, and has a first seal member having a second number of splines installed in the first number of splines. |
