| 摘要 |
PROBLEM TO BE SOLVED: To reduce a value of temperature rise in an outer ring. SOLUTION: In this cylindrical roller bearing, a retainer 3 is arranged between an inner ring 1 and the outer ring 2, and a cylindrical roller 4 is stored to be capable of rolling in a pocket hole 3d of the retainer 3. In this cylindrical roller bearing, a gap dimension g of a gap 5 between an inner diameter surface of the retainer 3 and an outer diameter surface of a collar 1a of the inner ring 1 is set to 0.8 to 1.6 times a nozzle diameter.
|
