轴承型号220RF30内径（d）220外径（D）340厚度（B）90类别圆柱滚子轴承详细类别标准圆柱滚子轴承FilletRadiusInnerr12.5BackingDia.ShaftE241BackingDia.HousingF318LoadRatingsStaticC01960LoadRatingsDynamicC1160LubricationFactorCg0.159ReferenceSpeedGreaseRPM930ThermalRatingsOilRPM1000重量（kg）31.2)