PowerGrip® GT® Belt Drives
PowerGrip® GT® Belt Drives
PowerGrip® GT® Belt Drives
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Useful Formulas and Calculations<br />
Center Distance Calculation<br />
PL = Pitch Length<br />
D = Larger Sprocket Pitch Diameter<br />
d = Smaller Sprocket Pitch Diameter<br />
CD = Center Distance (Accurate to ±.01")<br />
NOTE: Either english or metric units can be used,<br />
but must be consistent throughout all calculations.<br />
Calculation will yield results within 0.01" accuracy.<br />
Equations<br />
A = PL - .7855 (D + d)<br />
2<br />
B =<br />
A<br />
(D - d)<br />
CD = A F*<br />
*Correction Factor F is listed in the table below<br />
opposite the value of B as calculated in the<br />
equations above.<br />
Correction Factor (F) Table<br />
B F B F B F B F B F B F B F<br />
.7998 1.4286<br />
.8005 1.4265<br />
.8011 1.4245<br />
.8018 1.4225<br />
.8024 1.4205<br />
.8031 1.4184<br />
.8037 1.4164<br />
.8044 1.4144<br />
.8051 1.4124<br />
.8058 1.4104<br />
.8066 1.4085<br />
.8073 1.4065<br />
.8080 1.4045<br />
.8087 1.4025<br />
.8094 1.4006<br />
.8101 1.3986<br />
.8108 1.3966<br />
.8116 1.3947<br />
.8123 1.3928<br />
.8131 1.3908<br />
.8139 1.3889<br />
.8147 1.3870<br />
.8155 1.3850<br />
.8162 1.3831<br />
.8170 1.3812<br />
.8178 1.3793<br />
.8186 1.3774<br />
.8194 1.3755<br />
.8202 1.3736<br />
.8211 1.3717<br />
.8220 1.3699<br />
.8228 1.3680<br />
.8237 1.3661<br />
.8246 1.3643<br />
.8254 1.3624<br />
.8263 1.3605<br />
.8272 1.3587<br />
.8280 1.3569<br />
.8289 1.3550<br />
.8298 1.3532<br />
.8307 1.3514<br />
.8316 1.3495<br />
.8326 1.3477<br />
.8335 1.3459<br />
.8344 1.3441<br />
.8354 1.3423<br />
.8363 1.3405<br />
.8372 1.3387<br />
.8381 1.3369<br />
.8391 1.3351<br />
.8402 1.3333<br />
.8412 1.3316<br />
.8422 1.3298<br />
.8432 1.3280<br />
.8442 1.3263<br />
.8452 1.3245<br />
.8463 1.3228<br />
.8473 1.3210<br />
.8484 1.3193<br />
.8495 1.3175<br />
.8505 1.3158<br />
.8517 1.3141<br />
.8529 1.3123<br />
.8540 1.3106<br />
.8551 1.3089<br />
.8563 1.3072<br />
.8574 1.3055<br />
.8585 1.3038<br />
.8597 1.3021<br />
.8609 1.3004<br />
.8621 1.2987<br />
.8633 1.2970<br />
.8645 1.2953<br />
.8657 1.2937<br />
.8669 1.2920<br />
.8682 1.2903<br />
.8695 1.2887<br />
.8707 1.2870<br />
.8719 1.2853<br />
.8732 1.2837<br />
.8745 1.2821<br />
.8759 1.2804<br />
.8772 1.2788<br />
.8785 1.2771<br />
.8799 1.2755<br />
.8812 1.2739<br />
.8826 1.2723<br />
.8839 1.2706<br />
.8853 1.2690<br />
.8867 1.2674<br />
.8882 1.2658<br />
.8897 1.2642<br />
.8911 1.2626<br />
.8925 1.2610<br />
.8940 1.2594<br />
.8955 1.2579<br />
.8971 1.2563<br />
.8985 1.2547<br />
.9000 1.2531<br />
.9015 1.2516<br />
.9031 1.2500<br />
.9047 1.2484<br />
.9063 1.2469<br />
.9079 1.2453<br />
.9095 1.2438<br />
.9112 1.2422<br />
.9128 1.2407<br />
.9145 1.2392<br />
.9161 1.2376<br />
.9178 1.2361<br />
.9196 1.2346<br />
.9214 1.2330<br />
.9231 1.2315<br />
.9248 1.2300<br />
.9265 1.2285<br />
.9284 1.2270<br />
.9302 1.2255<br />
.9320 1.2240<br />
.9339 1.2225<br />
.9358 1.2210<br />
.9378 1.2195<br />
.9397 1.2180<br />
.9416 1.2165<br />
.9435 1.2151<br />
.9455 1.2136<br />
.9475 1.2121<br />
.9495 1.2107<br />
.9516 1.2092<br />
.9537 1.2077<br />
1.9558 1.2063<br />
1.9579 1.2048<br />
1.9601 1.2034<br />
1.9622 1.2019<br />
1.9644 1.2005<br />
1.9666 1.1990<br />
1.9687 1.1976<br />
1.9710 1.1962<br />
1.9733 1.1947<br />
1.9757 1.1933<br />
1.9780 1.1919<br />
1.9803 1.1905<br />
1.9828 1.1891<br />
1.9851 1.1876<br />
1.9875 1.1862<br />
1.9900 1.1848<br />
1.9924 1.1834<br />
1.9949 1.1820<br />
1.9974 1.1806<br />
1.000 1.1792<br />
1.002 1.1779<br />
1.005 1.1765<br />
1.008 1.1751<br />
1.011 1.1737<br />
1.013 1.1723<br />
1.016 1.1710<br />
1.019 1.1696<br />
1.021 1.1682<br />
1.024 1.1669<br />
1.027 1.1655<br />
1.030 1.1641<br />
1.033 1.1628<br />
1.036 1.1614<br />
1.039 1.1601<br />
1.042 1.1587<br />
1.045 1.1574<br />
1.049 1.1561<br />
1.052 1.1547<br />
1.055 1.1534<br />
1.059 1.1521<br />
1.062 1.1507<br />
1.065 1.1494<br />
1.069 1.1481<br />
1.072 1.1468<br />
1.076 1.1455<br />
1.079 1.1442<br />
1.082 1.1429<br />
1.086 1.1416<br />
1.090 1.1403<br />
1.093 1.1390<br />
1.097 1.1377<br />
1.101 1.1364<br />
1.105 1.1351<br />
1.109 1.1338<br />
1.113 1.1325<br />
1.117 1.1312<br />
1.121 1.1299<br />
1.125 1.1287<br />
1.129 1.1274<br />
1.133 1.1261<br />
1.138 1.1249<br />
1.142 1.1236<br />
1.146 1.1223<br />
1.150 1.1211<br />
1.155 1.1198<br />
1.160 1.1186<br />
1.164 1.1173<br />
1.169 1.1161<br />
1.174 1.1148<br />
1.178 1.1136<br />
1.183 1.1123<br />
1.189 1.1111<br />
1.194 1.1099<br />
1.199 1.1086<br />
1.205 1.1074<br />
1.210 1.1062<br />
1.216 1.1050<br />
1.222 1.1038<br />
1.227 1.1025<br />
1.233 1.1013<br />
1.239 1.1001<br />
1.245 1.0989<br />
1.252 1.0977<br />
1.258 1.0965<br />
1.265 1.0953<br />
1.271 1.0941<br />
1.278 1.0929<br />
1.285 1.0917<br />
1.291 1.0905<br />
1.298 1.0893<br />
1.305 1.0881<br />
1.312 1.0870<br />
1.320 1.0858<br />
1.327 1.0846<br />
1.335 1.0834<br />
1.343 1.0823<br />
1.351 1.0811<br />
1.360 1.0799<br />
1.368 1.0787<br />
1.377 1.0776<br />
1.386 1.0764<br />
1.395 1.0753<br />
1.404 1.0741<br />
1.413 1.0730<br />
1.423 1.0718<br />
1.432 1.0707<br />
1.442 1.0695<br />
1.453 1.0684<br />
1.463 1.0672<br />
1.474 1.0661<br />
1.485 1.0650<br />
1.497 1.0638<br />
1.509 1.0627<br />
1.521 1.0616<br />
1.533 1.0604<br />
1.546 1.0593<br />
1.558 1.0582<br />
1.571 1.0571<br />
1.585 1.0560<br />
1.599 1.0549<br />
1.614 1.0537<br />
1.629 1.0526<br />
1.645 1.0515<br />
1.661 1.0504<br />
1.678 1.0493<br />
1.695 1.0482<br />
1.713 1.0471<br />
1.731 1.0460<br />
1.749 1.0449<br />
1.769 1.0438<br />
1.789 1.0428<br />
1.810 1.0417<br />
1.832 1.0406<br />
1.855 1.0395<br />
1.879 1.0384<br />
1.904 1.0373<br />
1.930 1.0363<br />
1.956 1.0352<br />
1.984 1.0341<br />
2.014 1.0331<br />
2.045 1.0320<br />
2.078 1.0309<br />
2.112 1.0299<br />
2.148 1.0288<br />
2.186 1.0277<br />
2.227 1.0267<br />
2.270 1.0256<br />
2.315 1.0246<br />
2.362 1.0235<br />
2.414 1.9225<br />
2.469 1.0215<br />
2.529 1.0204<br />
2.594 1.0194<br />
2.664 1.0183<br />
2.739 1.0173<br />
2.823 1.0163<br />
2.913 1.0152<br />
3.013 1.0142<br />
3.125 1.0132<br />
3.247 1.0121<br />
3.392 1.0111<br />
3.556 1.0101<br />
3.746 1.0091<br />
3.971 1.0081<br />
4.241 1.0070<br />
4.580 1.0060<br />
5.020 1.0050<br />
5.600 1.0040<br />
6.465 1.0030<br />
7.914 1.0020<br />
11.186 1.0010<br />
And up 1.0000<br />
The World’s Most Trusted Name in <strong>Belt</strong>s, Hose & Hydraulics.<br />
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