| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing capable of keeping a dust generation amount at a low level, securing strength, and enhancing durability for a long period of time and to provide a film conveying apparatus using the rolling bearing.SOLUTION: Each of rolling bearings 10A, 10B includes an inner ring 20, an outer ring 25 arranged in its perimeter, a plurality of rolling elements 30 allocated rotatably between an inner ring 25 and an outer ring 35, and a retainer holding the rolling elements 30 rotatably, and at least perimeters of some rolling elements 30a are formed using fluororesin. In addition, when a self-supporting film of polyimide conveyed in strips is heated and hardened, a film conveying apparatus using the rolling bearings 10A, 10B can be used as a tenter device 40 for holding both ends and regulating contraction due to heating. |
