Machinery's Handbook, 31st Edition
RETAINING RINGS
1907
Table 7. Medium Duty Internal Spiral Retaining Rings MIL-R-27426 Bore Dia. A Ring Groove Static Thrust Load (lb) Bore 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 1.850 1.937 0.118 1.917 0.056 11960 5735 7.250 7.501 0.312 7.442 0.094 82270 69700 1.875 1.960 0.118 1.942 0.056 12120 5825 7.375 7.628 0.312 7.567 0.094 83690 70900 1.938 2.025 0.118 2.005 0.056 12530 6250 7.480 7.734 0.312 7.672 0.094 84880 71910 2.000 2.091 0.128 2.071 0.056 12930 7090 7.500 7.754 0.312 7.692 0.094 85110 72105 2.047 2.138 0.128 2.118 0.056 13230 7275 7.625 7.890 0.312 7.827 0.094 86520 77125 2.062 2.154 0.128 2.132 0.056 13330 7225 7.750 8.014 0.312 7.952 0.094 87940 78390 2.125 2.217 0.128 2.195 0.056 13740 7450 7.875 8.131 0.312 8.077 0.094 89360 79655 2.165 2.260 0.138 2.239 0.056 14000 8020 8.000 8.266 0.312 8.202 0.094 90780 80920 2.188 2.284 0.138 2.262 0.056 14150 8105 8.250 8.528 0.375 8.462 0.094 93620 87575 2.250 2.347 0.138 2.324 0.056 14550 8335 8.267 8.546 0.375 8.479 0.094 93810 87755 2.312 2.413 0.138 2.390 0.056 14950 9030 8.464 8.744 0.375 8.676 0.094 96040 89850 2.375 2.476 0.138 2.453 0.056 15350 9275 8.500 8.780 0.375 8.712 0.094 96450 90230 2.437 2.543 0.148 2.519 0.056 15760 10005 8.750 9.041 0.375 8.972 0.094 99290 97265 2.440 2.546 0.148 2.522 0.056 15780 10015 8.858 9.151 0.375 9.080 0.094 100520 98465 2.500 2.606 0.148 2.582 0.056 16160 10625 9.000 9.293 0.375 9.222 0.094 102130 100045 2.531 2.641 0.148 2.617 0.056 16360 10900 9.055 9.359 0.375 9.287 0.094 102750 105190 2.562 2.673 0.148 2.648 0.056 16560 11030 9.250 9.555 0.375 9.482 0.094 104960 107455 2.625 2.736 0.148 2.711 0.056 16970 11305 9.448 9.755 0.375 9.680 0.094 107210 109755 2.677 2.789 0.158 2.767 0.056 17310 12065 9.500 9.806 0.375 9.732 0.094 107800 110360 2.688 2.803 0.158 2.778 0.056 17380 12115 9.750 10.068 0.375 9.992 0.094 110640 118145 2.750 2.865 0.158 2.841 0.056 17780 12530 10.000 10.320 0.375 10.242 0.094 113470 121175 2.813 2.929 0.158 2.903 0.056 18190 12675 10.250 10.582 0.375 10.502 0.094 116310 129340 2.834 2.954 0.168 2.928 0.056 18320 13340 10.500 10.834 0.375 10.752 0.094 119150 132490 2.875 2.995 0.168 2.969 0.056 18590 13530 10.750 11.095 0.375 11.012 0.094 121980 141030 2.937 3.058 0.168 3.031 0.056 18990 13825 11.000 11.347 0.375 11.262 0.094 124820 144310 2.952 3.073 0.168 3.046 0.056 19090 13890 3.875 4.025 0.208 3.993 0.068 30680 22525 3.000 3.122 0.168 3.096 0.068 24150 14420 3.938 4.089 0.208 4.056 0.068 31700 23265 3.062 3.186 0.168 3.158 0.068 24640 14720 4.000 4.157 0.218 5.124 0.068 32190 24835 3.125 3.251 0.178 3.223 0.068 25150 15335 4.063 4.222 0.218 4.187 0.068 32700 25225 3.149 3.276 0.178 3.247 0.068 25340 15450 4.125 4.284 0.218 4.249 0.068 33200 25610 3.187 3.311 0.178 3.283 0.068 25650 15640 4.188 4.347 0.218 4.311 0.068 33710 25795 3.250 3.379 0.178 3.350 0.068 26160 16270 4.250 4.416 0.228 4.380 0.068 34210 27665 3.312 3.446 0.188 3.416 0.068 26660 17245 4.312 4.479 0.228 4.442 0.068 34710 28065 3.346 3.479 0.188 3.450 0.068 26930 17425 4.330 4.497 0.228 4.460 0.068 34850 28185 3.375 3.509 0.188 3.479 0.068 27160 17575 4.375 4.543 0.228 4.505 0.068 32210 28475 Source: Spirolox Retaining Rings, RR Series. All dimensions are in inches. Depth of groove d = ( C − A )/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 0.938, 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 4.562, 0.061; for sizes 4.625 through 6.000, 0.072; for sizes 6.125 through 11.000, 0.086. Ring Free Diameter Tolerances: For housing sizes 0.500 through 1.031, +0.013, − 0.000; for sizes 1.062 through 1.500, +0.015, − 0.000; for sizes 1.562 through 2.047, +0.020, − 0.000; for sizes 2.062 through 3.000, +0.025, − 0.000; for sizes 3.062 through 4.063, +0.030, − 0.000; for sizes 4.125 through 5.125, +0.035, − 0.000; for sizes 5.250 through 6.125, +0.045, − 0.000; for sizes 6.250 through 7.125, +0.055, − 0.000; for sizes 7.250 through 11.000, +0.065, − 0.000. Ring Thickness Tolerances: Thickness indicated is for unplated rings; add 0.002 to upper thickness tolerance for plated rings. For housing sizes 0.500 through 1.500, ± 0.002; for sizes 1.562 through 4.562, ± 0.003; for sizes 4.625 through 11.000, ± 0.004. Groove Diameter Tolerances: For housing sizes 0.500 through 0.750, ± 0.002; for sizes 0.777 through 1.031, ± 0.003; for sizes 1.062 through 1.500, ± 0.004; for sizes 1.562 through 2.047, ± 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 housing 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 7. (Continued) Medium Duty Internal Spiral Retaining Rings MIL-R-27426
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