A compressor component incorporated into a compressor having a compressor body and a compressor pulley mechanism transmitting a driving force to the compressor body has an austenite grain with a grain size number falling within a range exceeding 10, a fracture stress value of at least 2650 MPa, or a hydrogen content of at most 0.5 ppm. This provides a compressor component and a compressor bearing with a long fatigue life, a high anti-crack strength, and a reduced secular dimensional variation.

 
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> Ultra-thin spindle motor having groove formed on the outer circumferential surface of thrust bearing

> Support structure carrying thrust load of transmission, method of manufacturing thereof and thrust needle roller bearing

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