IT LOOKS LIKE YOUR CRANK MAY HAVE BEEN TURNED .020 ALREADY. OR YOUR MACHINE SHOP DIDNT MEASURE IT BEFORE MAKING THE CUT. HOWEVER, I WOULD DO WHAT TURBODAVE SAID AND TAKE IT TO A "GOOD" MACHINE SHOP AND GET IT CHECKED AGAIN NOT SURE IF RUNNING .040 OVERSIZED BEARINGS WOULD BE A GOOD OPTION.