If the normal, high-speed friction film and brake drum clearance.

若正常，可高速磨擦片与制动鼓间隙。

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With the same size compared to other types of bearings, such bearings friction coefficient is small, extreme high speed, high precision, when a user selection of the preferred bearing type.

与尺寸相同的其它类型轴承相比，该类轴承摩擦系数小，极限转速高，精度高，是用户选型时首选的轴承类型。

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The stability of transverse vibration in high speed automobile and the influence of torsional vibration, friction, damping and movement of spline shaft on vibration are discussed.

本文分析了汽车传动轴高速状态下横向振动的稳定性与扭转振动，以及摩擦力、阻尼和花键轴的运动对横向振动的影响。

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Its two high-speed electric motors operate as one but can act independently (and incidentally, by using reverse torque instead of friction for braking, the motors convert the energy of your motion to help replenish the battery).

FORBES: A Standing Ovation