| 摘要 |
PROBLEM TO BE SOLVED: To provide a method which properly discharges a lubricant intruding into a conical roller bearing.SOLUTION: In a conical roller bearing having an inner ring 10, an outer ring 20, a plurality of conical rollers 30, and a cage 40, the discharge of a lubricant is promoted by utilizing the action of a centrifugal force accompanied by rotation by forming an outside diameter face 14b of a large collar 14 of the inner ring 10 into an inclined face which gradually becomes large in diameter as progressing toward a back face R side from a front face side of the inner ring 10, and a lubricant amount in the bearing is properly maintained. |
