Patent ID: 8408797

Claim:
A method of manufacturing a bearing device component, the bearing device including a shaft and a sleeve that surrounds the shaft, at least either one of the shaft and the sleeve being referred to as a work, and the method comprising: a process of forming a coating of an anti-sticking-lube polymer on the work; a process of applying a photoluminescence material to a range overlapping a range where the coating of the anti-sticking-lube polymer is formed; and a condition detecting process, the condition detecting process including: causing the photoluminescence material to emit light by causing the work to be irradiated with excitation light that excites the photoluminescence material; generating a signal in accordance with light emission of the photoluminescence material; inputting the signal into a processing device that determines information included in the signal; and detecting an applied condition of the photoluminescence material based on a determination result by the processing signal.