| 摘要 |
PROBLEM TO BE SOLVED: To enhance the reliability of electrolytic corrosion preventive effect at a low cost without changing the outside diameter of a bearing. SOLUTION: In a roller bearing with a plurality of balls 3 interposed between an outer ring 1 and an inner ring 2, it is characterized in that an oxide film 7 is deposited on a ferrous material 6 containing 5 wt.% to 22 wt.% of chromium (Cr) in at least one component of the outer ring 1, the inner ring 2 and the balls 3. COPYRIGHT: (C)2004,JPO
|
