90BAR10ETYNDBLP4A Q nsk 轴承
d :90 D :140 2B:45 (参考):1.124
型号:90BAR10ETYNDBLP4A Q
品牌:nsk
名称:轴承
供应价格:
¥1948.06/套
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现货:3 套
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产地:日本
包装:商包
货区:华南
货仓码:S00033
运费: 到付
更新时间:2026-05-14 11:24:01
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全部商品- 商品名称:90BAR10ETYNDBLP4A Q
- 品牌:nsk
- 类别:轴承
- 货仓:S00033
- d :90
- D :140
- 2B:45
- (参考):1.124
| 型号 | 主要尺寸 (mm) | 基本额定负荷 (kN) | 极限(1) 轴向 负荷 (kN) | a | (参考) | 极限转速(2) (min-1) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | 2B | r (最小) | r1 (最小) | Ca (额定动负荷) | Coa (额定静负荷) | 润滑脂 润滑 | 油润滑 | ||||
| 90BAR10H | 90 | 140 | 45 | 1.5 | 1.0 | 43.0 | 1.124 | 7400 | 9200 | |||

机床主轴上使用的承受推力的球轴承,需具备优秀的高速性能和高刚度。NSK针对这些用途,可提供适合机械特性的三种轴承来选择。
为使这些轴承在安装时,轴承外圈外径与轴承座内径之间有间隙,即不承受径向负荷,将外圈外径尺寸差做特殊(P4A级、P2A级)化处理。
高速推力角接触球轴承的ROBUST系列在维持轴承高刚度的同时,也达到了高速化。球径、球数与TAC相同,接触角为40°(BTR形)和30°(BAR形),使其具有更加优秀的高速性和低发热性。
为使BAR、BTR与以往采用TAC20D系列的主轴容易组装更换,使用了特殊宽度尺寸。轴、轴承座不用变更,仅将下图的隔圈C改为D,就可完成替换。

接触角不同,刚度值也不同,其关系为TAC>BTR>BAR,运转过程中外圈温升的关系变为相反。请根据使用条件选择最适合的式样。

高速推力角接触球轴承(ROBUST系列)型号构成

双向推力角接触球轴承(TAC系列)型号构成

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