| 摘要 |
PROBLEM TO BE SOLVED: To prevent the damage of a shoulder by getting on of a ball to improve the durability of a deep groove ball bearing. SOLUTION: This deep groove ball bearing comprises an outer ring 11 and an inner ring 13 and a ball 15 integrated between the raceway groove 13 of the outer ring 11 and the raceway groove 13 of the inner ring 12. Of a pair of shoulders 14a, 14b formed on both sides of the raceway groove 14 of the inner ring 13, the shoulder 14a on the side for receiving a thrust load is set higher than the non-shoulder 14b on the non-load side to prevent the getting on of the ball 15. |
