Machinery's Handbook, 31st Edition
RETAINING RINGS
1909
Table 8. Medium Duty External Spiral Retaining Rings MIL-R-27426 Shaft Dia. A Ring Groove Static Thrust Load (lb) Shaft Dia. A Ring Groove Static Thrust Load (lb) Dia. G Wall E Dia. C Width D Dia. G Wall E Dia. C Width D Ring Groove Ring Groove 1.750 1.673 0.118 1.691 0.056 11310 5170 5.875 5.674 0.250 5.722 0.079 55810 45010 1.771 1.690 0.118 1.708 0.056 11450 5590 5.905 5.705 0.250 5.752 0.079 56100 45240 1.813 1.730 0.118 1.749 0.056 11720 5810 6.000 5.798 0.250 5.847 0.079 57000 45970 1.875 1.789 0.128 1.808 0.056 12120 6290 6.125 5.903 0.312 5.953 0.094 69500 52750 1.938 1.844 0.128 1.861 0.056 12530 7470 6.250 6.026 0.312 6.078 0.094 70920 53830 1.969 1.882 0.128 1.902 0.056 12730 6610 6.299 6.076 0.312 6.127 0.094 71480 54250 2.000 1.909 0.128 1.992 0.056 12930 7110 6.375 6.152 0.312 6.203 0.094 72340 54900 2.062 1.971 0.128 2.051 0.056 13330 7870 6.500 6.274 0.312 6.328 0.094 73760 55980 2.125 2.029 0.128 2.082 0.056 13740 7990 6.625 6.390 0.312 6.443 0.094 75180 60380 2.156 2.060 0.138 2.091 0.056 13940 8020 6.750 6.513 0.312 6.568 0.094 76590 61515 2.188 2.070 0.138 2.113 0.056 14150 8220 6.875 6.638 0.312 6.693 0.094 78010 62650 2.250 2.092 0.138 2.176 0.056 14550 8340 7.000 6.761 0.312 6.818 0.094 79430 63790 2.312 2.153 0.138 2.234 0.056 14950 9030 7.125 6.877 0.312 6.933 0.094 80850 68500 2.362 2.211 0.138 2.284 0.056 15270 9230 7.250 6.999 0.312 7.058 0.094 82270 69700 2.375 2.273 0.138 2.297 0.056 15350 9280 7.375 7.125 0.312 7.183 0.094 83690 70900 2.437 2.331 0.148 2.355 0.056 15760 10000 7.500 7.250 0.312 7.308 0.094 85110 72100 2.500 2.394 0.148 2.418 0.056 16160 10260 7.625 7.363 0.312 7.423 0.094 86520 77120 2.559 2.449 0.148 2.473 0.056 16540 11020 7.750 7.486 0.312 7.548 0.094 87940 78390 2.562 2.452 0.148 2.476 0.056 16560 11030 7.875 7.611 0.312 7.673 0.094 89360 79650 2.625 2.514 0.148 2.539 0.056 16970 11300 8.000 7.734 0.312 7.798 0.094 90780 80920 2.688 2.572 0.158 2.597 0.056 17380 12250 8.250 7.972 0.375 8.038 0.094 93620 87580 2.750 2.635 0.158 2.660 0.056 17780 12390 8.500 8.220 0.375 8.288 0.094 96450 90230 2.813 2.696 0.168 2.722 0.056 18190 12820 8.750 8.459 0.375 8.528 0.094 99290 97270 2.875 2.755 0.168 2.781 0.056 18590 13530 9.000 8.707 0.375 8.778 0.094 102130 100050 2.937 2.817 0.168 2.843 0.056 18990 13820 9.250 8.945 0.375 9.018 0.094 104960 107560 2.952 2.831 0.168 2.858 0.056 19090 13890 9.500 9.194 0.375 9.268 0.094 107800 110360 3.000 2.877 0.168 2.904 0.068 24150 14420 9.750 9.432 0.375 9.508 0.094 110640 118150 3.062 2.938 0.168 2.966 0.068 24640 14720 10.000 9.680 0.375 9.758 0.094 113470 121180 3.125 3.000 0.178 3.027 0.068 25150 15335 10.250 9.918 0.375 9.998 0.094 116310 129340 3.149 3.023 0.178 3.051 0.068 25340 15450 10.500 10.166 0.375 10.248 0.094 119150 132490 3.187 3.061 0.178 3.089 0.068 25650 15640 10.750 10.405 0.375 10.488 0.094 121980 141030 3.250 3.121 0.178 3.150 0.068 26160 16270 11.000 10.653 0.375 10.738 0.094 124820 144310 3.312 3.180 0.188 3.208 0.068 26660 17250 Source : Spirolox Retaining Rings, RS Series. All dimensions are in inches. Depth of groove d = ( A − C )/2. Standard material: carbon spring steel (SAE 1070-1090). Ring Thickness, F : For shaft sizes 0.500 through 0.718, 0.025; for sizes 0.750 through 0.937, 0.031; for sizes 0.968 through 1.156, 0.037; for sizes 1.188 through 1.500, 0.043; for sizes 1.562 through 2.952, 0.049; for sizes 3.000 through 4.500, 0.061; for sizes 4.562 through 6.000, 0.072; for sizes 6.125 through 11.000, 0.086. Ring Free Diameter Tolerances : For shaft sizes 0.500 through 1.031, +0.000, + 0.000, − 0.013; for sizes 1.062 through 1.500, +0.000, − 0.015; for sizes 1.562 through 2.125, +0.000, − 0.020; for sizes 2.156 through 2.688, +0.000, − 0.025; for sizes 2.750 through 3.437, +0.000, − 0.030; for sizes 3.500 through 5.125, +0.000, − 0.040; for sizes 5.250 through 6.125, +0.000, − 0.050; for sizes 6.250 through 7.375, +0.000, − 0.060; for sizes 7.500 through 11.000, +0.000, − 0.070. Ring Thickness Tolerances : Thickness indicated is for unplated rings; add 0.002 to upper tolerance for plated rings. For shaft sizes 0.500 through 1.500, ± 0.002; for sizes 1.562 through 4.500, ± 0.003; for sizes 4.562 through 11.000, ± 0.004. Groove Diameter Tolerances : For shaft sizes 0.500 through 0.562, ± 0.002; for sizes 0.594 through 1.031, ± 0.003; for sizes 1.062 through 1.500, ± 0.004; for sizes 1.562 through 2.000, ± 0.005; for sizes 2.062 through 5.125, ± 0.006; for sizes 5.250 through 6.000, ± 0.007; for sizes 6.125 through 11.000, ± 0.008. Groove Width Tolerances : For shaft sizes 0.500 through 1.156, +0.003, − 0.000; for sizes 1.188 through 2.952, +0.004, − 0.000; for sizes 3.000 through 6.000, +0.005, − 0.000; for sizes 6.125 through 11.000, +0.006, − 0.000. Table 8. (Continued) Medium Duty External Spiral Retaining Rings MIL-R-27426
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