| 摘要 |
A cage of a roller bearing including a plurality of pockets (2), formed by punching from the outside, each storing a roller (8), in the circumferential direction of a barrel comprises a first projection for preventing the roller from being disassembled to the outside of the barrel and a second projection (10) for preventing the roller (8) from being disassembled to the inside of the barrel. The first projection (7) is provided at a thin portion of the barrel which is formed between the brims of the pocket (2). The second projection (10) is provided at a thick portion of the barrel in the axial direction by knurling. |
