| 摘要 |
PROBLEM TO BE SOLVED: To provide a seal ring capable of preventing the leakage of grease from a spline part to the outside, and smoothly conducting relative sliding operation between an axle for changing wheel intervals and an outside member externally fitted with the axle. SOLUTION: This seal ring 7 seals a clearance between an axle 2 and an outer ring element 3 concentrically disposed and spline fitted. The seal ring 7 comprises an annular portion 9 fitted and fixed on an inner peripheral surface of a cylindrical portion provided in one end side of the outer ring element 3, and a plurality of projecting pieces 11 integrally provided on an inner periphery of the annular portion 9 and fitted in each of spline grooves of the axle 2. |
