Rex Linkbelt Roller Chain Catalog - Norfolkbearings.com

SprocketsC 2100H sprockets • 2.500" pitchTTLENGTHTHRUBORESprockets are usually furnished withtwice the required number of teeth,virtually doubling sprocket life. Sprocketswith only the required number of teeth,can also be furnished.TCHAINPITCHSCHAINPITCHROOT DIAMETERPIITCH DIAMETEROUTSIDE DIAMETERMAXIMUMHUBDIAMETERCHAINPITCHFig. 6446MAXIMUMBOREFig. 6450Type AType BType CFig. 8382MaximumNumber Outside Maximum bore with Number Outsideof Pitch Root diameter, hub standard S of Pitch Root diameter,effective diameter, diameter, inches diameter, keyseat, max., effective diameter, diameter, inchesteeth inches inches ∆ inches inches inches teeth inches inches ∆hshE6 5.000 4.250 5.415 3.11 2.063 1.281 22 17.567 16.817 18.2286 1 / 25.380 4.630 5.795 3.55 2.375 1.469 22 1 / 217.964 17.214 18.6257 5.762 5.012 6.227 3.97 2.625 1.625 23 18.360 17.610 19.0247 1 / 26.146 5.396 6.611 4.39 3.000 1.844 23 1 / 218.756 18.006 19.4208 6.523 5.782 7.034 4.81 3.375 2.094 24 19.152 18.402 19.8208 1 / 26.920 6.170 7.422 5.23 3.688 2.281 24 1 / 219.550 18.800 20.2189 7.130 6.560 7.839 5.64 4.000 2.469 25 19.947 19.197 20.6199 1 / 27.700 6.950 8.229 6.06 4.438 2.719 25 1 / 220.344 19.594 21.01610 8.090 7.340 8.642 6.47 4.750 3.000 26 20.740 19.990 21.41510 1 / 28.481 7.731 9.033 6.88 5.125 3.188 26 1 / 221.138 20.388 21.81311 8.872 8.122 9.442 7.27 5.500 3.375 27 21.535 20.785 22.21211 1 / 29.266 8.516 9.836 7.70 5.750 3.625 27 1 / 221.931 21.181 22.60812 9.660 8.910 10.245 8.05 5.875 3.688 28 22.330 21.580 23.01012 1 / 210.053 9.303 10.638 8.52 6.063 3.781 28 1 / 222.725 21.975 23.40513 10.447 9.697 11.045 8.83 6.188 3.844 29 23.122 22.372 23.80513 1 / 210.840 10.090 11.438 9.33 6.313 4.000 29 1 / 223.520 22.770 24.20314 11.235 10.485 11.845 9.63 6.750 4.156 30 23.917 23.167 24.60214 1 / 211.630 10.880 12.240 10.13 7.188 4.344 30 1 / 224.314 23.564 24.99915 12.025 11.275 12.644 10.41 7.438 4.469 31 24.712 23.962 25.39915 1 / 212.420 11.670 13.039 10.94 7.750 4.750 31 1 / 225.109 24.359 25.79616 12.815 12.065 13.442 11.20 8.000 4.875 32 25.505 24.755 26.19416 1 / 213.210 12.460 13.837 11.75 8.375 5.063 32 1 / 225.904 25.154 26.59317 13.605 12.855 14.239 12.00 8.750 5.219 33 26.300 25.550 26.99117 1 / 214.001 13.251 14.635 12.55 9.063 5.406 34 27.095 26.345 27.78818 14.397 13.647 15.038 12.78 35 27.890 27.140 28.58018 1 / 214.793 14.043 15.434 13.36 36 28.685 27.935 29.38019 15.190 14.440 15.836 13.58 37 29.480 28.730 30.18019 1 / 215.584 14.834 16.230 14.16 38 30.275 29.525 30.97020 15.982 15.232 16.633 14.38 39 31.070 30.320 31.77020 1 / 216.378 15.628 17.029 14.97 40 31.865 31.115 32.57021 16.775 16.025 17.431 15.1621 1 / 217.170 16.420 17.826 Larger sizes available.Hub length thru boreSprockettypeNumber of Hub length Sprocket Number of Hub lengtheffective thru bore, type effective thru boreteeth inches teeth inchesTooth dimensionsT = .692" + .000", –.014" for machined sprockets.T = .692" + .000", –.046" for hot rolled platesprockets or unfinished forgings.6 to 6 1 / 21.50 7 1 / 2to 13 3.007 to 9 1.75 131/2 to 20 3.25B 91/2 to 19 2.00 C 201/2 to 30 3.50191/2 to 261/2 2.25 301/2 to 36 3.7527 to 34 2.50 37 to 40 4.0035 to 40 2.75Standard bore tolerances, keyseat dimensions, eccentricity tolerances, and similar data, page G-2.h “Effective” describes the number of teeth that engage the chain rollers during each revolution of the sprocket. See Fig. 8382 above.The effective number is used to calculate chain speed. Sprockets are normally furnished with twice the effective number listed. When the actual number of teethis 24 or more, sprockets for No. 100 roller chain may be used. See page C-23.∆ Non-functional dimension that may vary with the type of cutter used.s Based on maximum hub diameter.E-18