| 摘要 |
PROBLEM TO BE SOLVED: To provide a thrust roller bearing controlling deterioration of load capacity and increase in rolling contact surface pressure by reducing differential slide occurring on a rolling element surface. SOLUTION: In the thrust roller bearing provided with a plurality of rollers 2 arranged in at least two rows in a radial direction, a retainer 3 retaining the rollers 2, at least one bearing ring including a raceway surface contacting with a rolling surface of the roller 2, crowning is formed on the rolling surface of the rollers of at least one row of the roller rows.
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