| 摘要 |
PROBLEM TO BE SOLVED: To provide a one end sealed type shell-shaped needle bearing capable of preventing foreign matters from entering a bearing rolling surface and damaging a bearing, even in a case of being used under an environment where there are many foreign matters.SOLUTION: In a shell-shaped needle bearing 10, on the inner peripheral surface of a cylindrical part 11 of an outer ring 14 of which an axial one end part is sealed, a space formation member 18 for defining a pocket space S for foreign matter recovery is attached on a bottom part side with respect to an outer ring raceway surface 11a.SELECTED DRAWING: Figure 1 |
