对单列向心球轴承摩擦系数的研究

本文在运用摩擦学滚动及弹性力学原理对单列向心球轴承滚珠及内圈受力情况进行系统分析及研究的基础上,提出一组可直接计算球轴承摩擦系数的理论公式,由本文导出的计算公式所示解析关系可清晰地看出,球轴承摩擦系数不仅与轴承内外径,滚珠对内圈（或外圈）的滑动摩擦系数,滚珠半径及数量有关,而且还与轴承的当量动载荷密切相关。

A Research on Friction Coefficients of Single Radial Ball Bearings

On the basis of analysing and studying systematically forcing conditions about balls and inner rings(or outer rings)of single row radial ball bearings(are called"ball bearings"for short)by way of the rolling theory in tribology and the principle in elasticity mechanics,a group of formulas for calculating friction coefficients of ball bearings has been derived in this paper. The analytical relationships expressed in the formulas derived in the article indicate clearly that the friction coefficient of a ball bearing is related to not only the bore,outer diameter,sliding friction coefficient between ball and inner ring(or outer ring),ball diameter,ball number but also equivalent dynamical load of the ball bearing.