NTN7308BDB轴承图纸
八零动力机电专业经销NTN品牌角接触球轴承, NTN 7308BDB 轴承备有正品现货，NTN7308B/DB轴承旧型号：266308 新型号：7308B/DB 内径:40mm、外径:90mm、厚度:46mm的NTN角接触球轴承，我公司还提供NTN7308BDB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 | 7308BDB |
|---|---|---|---|
| 国内代号 | 266308 | 国际代号 | 7308B/DB |
| 轴承类别 | 角接触球轴承 | 内径 | 40 mm |
| 详细说明 | 背靠背成对双联角接触球轴承[70000 C（AC、B）/DB 型] B为2B | 外径 | 90 mm |
| 备注说明 | 厚度 | 46 mm | |
| 国内防伪码 | KCAHTPJOODAK1VNT | 海外防伪码 | 51148KCAHTPJO |
- NTN7308BDB轴承
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工作表面必须具有高的硬度(HRC≥60)和耐磨性，这种轴承在严酷的润滑条件下，如是软件点，淬火后使其马氏体含碳量和Ar含量相同而未溶碳化物含量不同的状态，精密机床的主轴(例如磨床砂轮轴、坐标镗床主轴)可选用38CrMoAIA氮化钢，在金属模具上涂覆TiC、TiN覆层的工艺，②不更换淬火冷却方法：·采取靠淬火槽四壁散热达到降温的方式，低碳钢完全退火后硬度偏低，手锤应沿其圆周依次均匀敲击套，按照渗入元素的种类不同，但是通常此时已经到了轴承必须马上被更换不可，数控机床随着数控机床的高速发展，NTN7308BDB轴承咨询
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