| 摘要 |
PROBLEM TO BE SOLVED: To provide a thrust roller bearing causing less drilling wear and emitting low bearing noise. SOLUTION: This thrust roller bearing 1 comprises a plurality of rollers 2a and 2b and annular retainers 3 and 4 having a plurality of pockets 5 and 6 for holding the rollers 2a and 2b. The end faces of the plurality of rollers 2a and 2b are formed in F end faces, and the accuracy of the end faces is 30μm or less. COPYRIGHT: (C)2004,JPO
|
