| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a split bearing ring which includes split portions obtained by splitting a bearing ring into two or more portions in the circumferential direction and which can prevent damage of the bearing ring at a part where the split portions are matched. <P>SOLUTION: A split inner ring 11A includes split potions 11a and 11a which are split in the circumferential direction. Heat treatment is performed on end faces 18 and 18 in the circumferential direction of each split portion 11a. <P>COPYRIGHT: (C)2012,JPO&INPIT |
