CR
| RING NO. | Remarks | Ds | Do | w | d | Df | T | S | RING Safety factor of 3 | GROOVE Satety factor of 2 |
| CR-393 | CR-393 | 3.938 | 3.756 | 0.12 | 0.091 | 3.73 | 0.111 | 0.25 | 54930 | 25330 |
| CR-400 | CR-400 | 4 | 3.815 | 0.12 | 0.093 | 3.787 | 0.111 | 0.25 | 55800 | 26300 |
| CR-425 | CR-425 | 4.25 | 4.065 | 0.12 | 0.093 | 4.032 | 0.111 | 0.25 | 59280 | 27940 |
| CR-437 | CR-437 | 4.375 | 4.19 | 0.12 | 0.093 | 4.162 | 0.111 | 0.25 | 61030 | 28760 |
| CR-450 | CR-450 | 4.5 | 4.31 | 0.12 | 0.095 | 4.28 | 0.111 | 0.25 | 62770 | 30220 |
| CR-475 | CR-475 | 4.75 | 4.55 | 0.12 | 0.1 | 4.515 | 0.111 | 0.25 | 66260 | 33580 |
| CR-500 | CR-500 | 5 | 4.79 | 0.12 | 0.105 | 4.755 | 0.111 | 0.25 | 69740 | 37110 |
| CR-525 | CR-525 | 5.25 | 5.03 | 0.139 | 0.11 | 4.995 | 0.127 | 0.375 | 83790 | 40820 |
| CR-550 | CR-550 | 5.5 | 5.265 | 0.139 | 0.118 | 5.229 | 0.127 | 0.375 | 87780 | 45880 |
| CR-575 | CR-575 | 5.75 | 5.505 | 0.139 | 0.123 | 5.466 | 0.127 | 0.375 | 91770 | 49990 |
| CR-600 | CR-600 | 6 | 5.745 | 0.139 | 0.128 | 5.705 | 0.127 | 0.375 | 95760 | 54290 |
| CR-625 | CR-625 | 6.25 | 5.985 | 0.174 | 0.133 | 5.942 | 0.165 | 0.312 | 129590 | 58760 |
| CR-650 | CR-650 | 6.5 | 6.225 | 0.174 | 0.138 | 6.182 | 0.165 | 0.312 | 134780 | 63410 |
| CR-675 | CR-675 | 6.25 | 6.465 | 0.174 | 0.143 | 6.42 | 0.165 | 0.312 | 139960 | 68230 |
| CR-700 | CR-700 | 7 | 6.705 | 0.174 | 0.148 | 6.658 | 0.165 | 0.312 | 145140 | 73230 |
| CR-725 | CR-725 | 7.25 | 6.942 | 0.174 | 0.154 | 6.894 | 0.165 | 0.312 | 172190 | 78290 |
| CR-750 | CR-750 | 7.5 | 7.18 | 0.209 | 0.16 | 7.13 | 0.189 | 0.375 | 178130 | 84820 |
| CR-775 | CR-775 | 7.75 | 7.42 | 0.209 | 0.165 | 7.368 | 0.189 | 0.375 | 184070 | 90390 |
| CR-800 | CR-800 | 8 | 7.66 | 0.209 | 0.17 | 7.607 | 0.189 | 0.375 | 190000 | 96130 |
| CR-825 | CR-825 | 8.25 | 7.9 | 0.209 | 0.175 | 7.845 | 0.189 | 0.375 | 195940 | 102050 |
