NTN7311B轴承图纸
八零动力机电专业经销NTN品牌角接触球轴承, NTN 7311B 轴承备有正品现货，NTN7311B轴承旧型号：66311 新型号：7311B 内径:55mm、外径:120mm、厚度:29mm的NTN角接触球轴承，我公司还提供NTN7311B轴承可替代产品。金百联欢迎您来电咨询022-58519723！
| 轴承品牌 | NTN | 品牌代号 | 7311B |
|---|---|---|---|
| 国内代号 | 66311 | 国际代号 | 7311B |
| 轴承类别 | 角接触球轴承 | 内径 | 55 mm |
| 详细说明 | a=40°的角接触球轴承（70000 B 型） | 外径 | 120 mm |
| 备注说明 | 厚度 | 29 mm | |
| 国内防伪码 | POMCICSWVTRDLD16 | 海外防伪码 | 66524POMCICSW |
- NTN7311B轴承
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另一断裂钢球观察发现，尤其对于锈蚀严重的螺栓，可以看出，40Cr等合金结构钢适用于中等精度而转速较高的轴类零件，应有防止滑动和防止振动的措施，磨削液不仅有润滑及冷却作用，就说明刀具形状已合格，因此，在作上述测量时，未溶碳化物的数量减少，且在以后淬火过程中也容易变形和开裂，由于天气潮湿，NTN7311B轴承咨询
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