| 摘要 |
A seal (6) for a rolling bearing comprises a flexible resin portion 9 and a rigid resin portion 10, the rigid resin portion 10 and the flexible resin portion 12 being fusion bonded together into a single integral body in a moulding process. The resin combinations constituting the flexible and rigid portions are selected from the combination of a polyester TPE and a thermoplastic resin, the combination of a polyamide TPE and a polyamide resin, and the combination of a polyolefin TPE and a polyolefin resin.
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