深沟球轴承主要承受径向载荷，也可承受一定量的轴向载荷。该类轴承摩擦系数小，极限转速高，尺寸范围与形式变化多样。适用于精密仪表、低噪音电机、汽车、摩托车及一般机械等，是机械工业中使用最为广泛的一类轴承。
      The ditch deep ball bearings
      The deep ditch ball bearings mainly bears path to carry a lotus, can also bear the stalk of one fixed amount to carry a lotus.The coefficient of friction of the type's bearings is small, the extreme limit becomes soon high, size scope and form change diverse.Be applicable to precise appearance, low noise electrical engineering, car, motorcycle and general machine the etc. be a machine industry medium use the most extensive bearings.