Machinery's Handbook, 31st Edition
1918 RETAINING RINGS Table 14. Important Dimensions of Inch Series External Retaining Rings MS16633
W
A B
GD
E
T
Ring
Groove
a Static Thrust Load (lb)
Shaft Diameter D
Free Dia. A
Thickness T
Diameter B
Diameter G
Width W 0.012 0.012 0.012 0.023 0.018 0.018 0.018 0.018 0.018 0.018 0.029 0.029 0.029 0.029 0.029 0.029 0.029 0.029 0.039 0.039 0.039 0.046 0.046 0.056 0.056 0.056 0.056 0.056 0.056 0.068 0.068
Margin E 0.014 0.010 0.010 0.010 0.020 0.020 0.030
Ring
Groove
0.040 0.062 0.062 a 0.062 b 0.094 0.094 0.110 0.125 0.140 0.140 c 0.140 d 0.156 0.172 0.188 0.188 0.218 0.250 0.312 0.375 0.437 0.437 0.500 0.625 0.744 0.750 0.750 0.875 0.985 1.000 1.188 1.375
0.025 0.051 0.051 0.051 0.073 0.069 0.076 0.094 0.100 0.108 0.102 0.114 0.125 0.145 0.122 0.185 0.207 0.243 0.300 0.337 0.375 0.392 0.480 0.616 0.616 0.574 0.668 0.822 0.822 1.066 1.213
0.010 0.010 0.010 0.020 0.015 0.015 0.015 0.015 0.015 0.015 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.035 0.035 0.035 0.042 0.042 0.050 0.050 0.050 0.050 0.050 0.050 0.062 0.062
0.079 0.140 0.156 0.187 0.187 0.230 0.375 0.230 0.203 0.250 0.270 0.282 0.312 0.335 0.375 0.437 0.527 0.500 0.660 0.687 0.600 0.800 0.940 1.000 1.000 1.120 1.300 1.500 1.500 1.626 1.875
0.026 0.052 0.052 0.052 0.074 0.074 0.079 0.095 0.102 0.110 0.105 0.116 0.127 0.147 0.125 0.188 0.210 0.250 0.303 0.343 0.380 0.396 0.485 0.625 0.625 0.580 0.675 0.835 0.835 1.079 1.230
13 20 20 40 45 45 55 65 70 70
7 7 7 7
20 20 40 45 60 45 55 70
0.030 0.038 0.030 0.034 0.040 0.044 0.040 0.062 0.030 0.040 0.062 0.072 0.094 0.058
150 165 180 195 195 225 260 325 685 800 800
90 90 135 75 115 225 315 485
290 600 1040 1050 1100 1500 2050 1710 1900 1500 2300
0.104 1100 0.140 1370 0.118 1940 0.124 1960 0.170 1960 0.200 2200 0.148 2570 0.164 2620 0.108 3400 0.144 4100
a Thrust Load Safety Factors: Ring 3; groove, 2. Source: Industrial Retaining Rings, 1000 Series. All dimensions are in inches. Depth of groove d = ( D − G )/2. Standard material: carbon spring steel (SAE 1060 -1090). Thickness indicated is for unplated rings; for most plated rings with shaft sizes less than 0.625, the maximum ring thickness will not exceed the minimum groove width (W) minus 0.0002 inch; for larger rings, the thickness may increase by 0.002 inch. Groove Maximum Bottom Radii: For shaft sizes 0.040 and 0.062, 0.003 inch; for sizes 0.094 through 0.250, 0.005 inch; for sizes 0.312 through 0.437, 0.010 inch; for sizes 0.500 through 1.375, 0.015 inch. Ring Free Diameter Tolerances: For shaft sizes 0.040 through 0.250, +0.001, − 0.003; for sizes 0.312 through 0.500, +0.002, − 0.004; for sizes 0.625 through 1.000, +0.003, − 0.005; for sizes 1.188 and 1.375, +0.006, − 0.010. Ring Thickness Tolerances: For shaft sizes 0.040 and 0.062, ± 0.001; for sizes 0.062 through 1.000, ± 0.002; for sizes 1.188 and 1.375, ± 0.003. Groove Diameter Tolerances: For shaft sizes 0.040 through 0.218, +0.002, − 0.000; for sizes 0.250 through 1.000, +0.003, − 0.000; for sizes 1.188 and 1.375, +0.005, − 0.000. Grove Width Tolerances: For shaft sizes 0.040 through 0.140, +0.002, − 0.000; for sizes 0.140 through 1.000, +0.003, − 0.000; for sizes 1.188 and 1.375, +0.004, − 0.000.
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