NB/T 47065.1  支座 A 620SHG=38Fb1=8RFRf80SHG=38RFF S=4=16r

47065.3 A620SHG=38Fb1=8RFRf80SHG=38RFF S=4=16r

3 FF 650-2.520δ0=8A=.

5 RF 950-6.420δ0=18=-50rf6450-22600Fe470 S=4s=8

1 RF 550-0.6

PL 50(B)-25 RF

BL40(B)-63mBBF S=22S=4 K=83 n=iiã k=15

wn50-150rfsS=8F H=27715-95=604-12 RF rjRFRF2

WN100-300 RFshc200