| | 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 ... 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 ... 161 194 185 223 355 423 4012 1921 4016 3416 5016 6505 5018 8240 6018 15489 6020 ... 17868 8018 34341 8020 41027 10020 77710 lubrication ... 9.96 2.51 6.26 12.51 18.77 2.88 7.21 14.34 21.55 5.55 13.81 27.76 41.57 6.61 16.49 ...
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