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NSK开发出水泵用“高性能密封双列角接触球轴承”
发布日期:2024-02-07

  日本精工株式会社针对上下水,灌溉,各种用水工程等,全球范围内需求量增加的水泵,开发了“高性能密封双列角接触球轴承”并正式上市。本产品通过尺寸的小型化及提高轴向承载能力,进一步降低了各种水泵的运行成本并提高其可靠性。NSK预计该产品在2014年的销售额将达到7亿日元。
  【开发背景】
  产业用水泵要求高效率,高可靠性及降低环境负荷,因此,其中使用的轴承必须满足小型化与高承载容量两方面的要求。
  为满足该要求,NSK在遵从ISO标准尺寸(内?外径,宽度)下开发了具备以下优点的产业水泵用「高性能密封双列角接触球轴承」并商品化。
  【产品的特长】
  ◆  轴承寿命最大提高3倍(与原有产品相比)
  通过优化设计,新开发的密封轴承的寿命比原有产品提高了1.3~2.6倍,在同样寿命要求可实现轴承尺寸的小型化。
  ◆  轴向承载最大提高3倍(与原有产品相比)
  通过优化设计,轴承的轴向承载能力比原有产品提高了1.1~2.8倍。
  ◆  使用温度范围扩大
  采用高温尺寸稳定化处理,使用温度最高达150℃。
  【产品的效果】
  1. 水泵小型化成为可能,降低了运行成本。
  由于采用密封脂润滑,水泵设计得以简化,进一步提高了产品的生产性。
  同样轴承尺寸条件下,轴承具备更长的寿命,进一步延长了水泵的免维护时间。
  2. 可承受更大的轴向载荷,提高了水泵的可靠性。
  3. 可适应马达高发热工况,提高了水泵的可靠性。
  【产品系列型号】
  本产品将面向全球水泵市场推出以下系列产品。
  产品系列一览表
  型号  内径(mm)  外径(mm)  宽度(mm)  Cr(N)  Cor(N) 3305FZZ 25 62 25.4 30,500 20,4003306FZZ 30 72 30.2 39,500 27,3003307FZZ 35 80 34.9 49,500 35,0003308FZZ 40 90 36.5 60,500 44,0003309FZZ 45 100 39.7 66,500 49,5003310FZZ 50 110 44.4 85,500 64,5003311FZZ 55 120 49.2 106,000 82,0003312FZZ 60 130 54 122,000 95,5003313FZZ 65 140 58.7 138,000 109,000
 


基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=92b177cc2d836a2153fee4ca595c0e62
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