| 摘要 |
PROBLEM TO BE SOLVED: To avoid the manufacturing of a caulking metal mold at each cage product while dispensing with a bottom expansion process of the steel plate cage, in the manufacturing of a conical roller bearing.SOLUTION: A steel plate cage 2 has a plurality of column parts 11 which partition a clearance between a large-diameter annular part 8 and a small-diameter annular part 9 into pockets 10 in one row. Each pocket 10 is formed into a dimension which permits the movement of a conical roller 3 progressing toward the large-diameter annular part 8 until a state of an outside diameter φD of an inscription circular diameter φd'≥a small flange 6 of the conical roller 3 is brought about from a state of the outside diameter φD of the inscription circular diameter<the small flange 6 of the conical roller 3 which is accommodated in the pocket 10. The steel plate cage 2 is supported by an inside diameter part of a receiving table 20, and the conical roller 3 is accommodated in the pocket 10. A state of the inscription circular diameter φd' is brought about by an inscription inside diameter of the receiving table 20, an inner ring 1 inserted into the steel plate cage 2 from the small flange 6 side, and the conical roller 3 is arranged between the small flange 6 and the large flange 7. By the diameter expansion of an inside diameter of the receiving table 20, only a portion at a small diameter side rather than the conical roller 3 of the steel plate cage 2 is caulked.SELECTED DRAWING: Figure 1 |
