有一角接触球轴承数据如下: e =0.7 , F a / F r > e 时, X =0.41 , Y =0.85 ,已知轴承受径向载荷 F r =2100N ,轴向载荷 F a =1480N ,则其当量动载荷 P 为 ___________N ( f P =1.2 )。
A.
2520
B.
2542.8
C.
2870.2
D.
2119
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