Two or more cutters, rotating freely on ball - bearings, are set in the head of the bit.

可在钻头上安装两个或更多的支在滚珠轴承上自由旋转的切削刀具.

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Ball bearings, and sometimes automotive parts, are designed on the basis of finite life.

球轴承和汽车零件有时是按无限寿命设计的.

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The object of using ball - bearings is to reduce the friction.

使用滚球轴承的目的在于减少磨擦.

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The ball bearings reduce the friction on the joint.

滚珠可以减小结合处的摩擦.

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Bearings and sealed bearings with domestic brands, single row radial ball bearings.

轴承和密封轴承采用国内名牌产品, 单列向心球轴承.

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SRT - 03 rotary tables fitted with precision four point contact preloaded ball bearings.

SRT-03旋转平台配备有精确的四点接触预装滚珠轴承.

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NSK manufactures a full range of deep groove ball bearings.

NSK所制深沟球轴承品种、型号齐全.

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Details : We need Ball Bearings at large qty . PLS CONTACT WITH US.

我们大量求购轴承,请与我们联系.

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NKE Austria has released a range of single - row deep - groove ball bearings.

耐克奥地利已发布了一系列单排深沟槽球轴承.

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Large sheave mounted on sealed ball bearings for high efficiency.

安装在密封滚珠轴承上的大型滑轮,有相当出色的效率.

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Compared with the angular contact ball bearings, bearing capacity, low speed limit.

与角接触球轴承相比 、 承载能力大, 极限转速低.

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Built - sealed ball bearings , long working life and higher efficiency.

内 置 密封球轴承, 工作寿命长,效率高.

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What's the object of using ball bearings?

使用滚珠轴承的目的何在?

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Roller and ball bearings are used whenever possible.

凡有可能,就使用滚柱轴承和滚珠轴承.

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Permanently sealed and lubricated ball bearings front and rear.

前后端盖装有永久密封和自润滑的滚珠轴承.

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