| 申请日期 | 2025-06-27 | 申请号 | JP2012026334 |
| 公开（公告）号 | JP2013163833A | 公开（公告）日 | 2013-08-22 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | NTN TOYO BEARING CO LTD | ||
| 简介 | PROBLEM TO BE SOLVED : To provide a bearing component which can reduce rare metal elements contained in a material while securing excellent durability, and to provide a rolling bearing.SOLUTION : An outer race 11, an inner race 12 and a ball 13 which are bearing components, are formed of a quench-hardened steel containing 0.40-0.60 mass% C, 0.15-0.35 mass% Si, 0.10-1.10 mass% Mn, 0.0010-0.0100 mass% B and the balance Fe and inevitable impurities. | ||
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