RADIAL FORCE : The load on a bearing perpendicular to the axle, this and the Thrust load are forces that affect the design and application of bearings.
径向力：与轴承的轴线所垂直的载荷；它和轴向力是影响轴承设计和应用的两个力。
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Radial loading is the amount of weight placed vertically above the axle. Sitting on a trike places an axial load on the bearings. The drawing below is a cross-sectional view of a radial bearing.
Four row circular cone roller bearings its performance and double row circular cone roller bearings basic same but may withstand the bigger radial direction load and the two axle to the load.