3 with the required rpm choose the coupling that satisfies the horsepower from the ... the maximum bore diameter of the coupling you have chosen use a coupling that is ... it is necessary to use a special key or spline bore 6 note the lubrication system ... required and select the coupling cover as necessary in all applications ... use of a coupling cover will provide quieter running ... service factor for roller chain coupling by operating hours at 50 r/min and more ... 1.25 5 .015 0.28 0.52 0.67 1.25 1.43 2.78 3.30 6.25 10 25 50 100 200 300 speed of ... 128 147 283 337 638 18.37 32.72 62.22 78.85 149 171 330 393 743 19.85 24.00 27.76 ... 32.32 35.32 41.30 35.27 42.78 49.62 57.66 62.89 73.62 67.05 81.27 94. ... 10020 77710 lubrication system 0.30 0.78 1.54 2.32 0.55 1.38 2.76 4.14 1.05 2.61 ...
