TM  9-2350-261-34   IDLER ARM (M741A1 ONLY) IDLER ARMS Reference Letter A B C D A-B C-D E Point of Measurement Inside diameter of arm bore Outside  diameter  of  bearing Outside  diameter  of  bearing Inside  diameter  of  arm  bore-inner Fit   of   bearing   in   arm   bore Fit   of   bearing   in   arm   bore Inside diameter of outer bearing Idler  Hubs (All  except M1741A1) 3.185  to 3.188 3.1885  to 3.1925 3.8135  to 3.8175 3.809 to 3.812 0.0005  to 0.0075 0.0015T to 0.0085T 2.7805  to 2.7765 IDLER   ARM   (ALL   EXCEPT   M741A1) Wear Limits * * * * Idler Hubs (M741A1 Only) 2.9955  to 2.9965 2.9980  to 2.9990 0.0015T to 0.0035T Wear Limits A11 Road Wheels Wear Limits 2.778** 7-6 —   —   —