Precision Belleville Springs

  Inch Dimensions F=.25h F =.50h F=.75h F=h
Part

No.

D d t h O.H. h/t P

Ld

f

Deflec-

tion

Str-

ess

P

Ld

f

Deflec-

tion

Str-

ess

P

Ld

f

Deflec-

tion

Str-

ess

P

Ld

f

Deflec-

tion

Str-

ess

M238207 .906 .323 .0276 .0317 .0591 1.147 66 .0079 60 107 .0158 112 129 .0238 154 143 .0317 186
M238208 .906 .323 .0315 .0297 .0610 .942 79 .0074 58 133 .0148 109 170 .0223 151 199 .0297 204
M238209 .906 .323 .0354 .0278 .0630 .784 93 .0069 56 163 .0139 106 218 .0208 157 265 .0278 238
M238210 .906 .323 .0394 .0277 .0669 .703 121 .0069 60 217 .0138 113 296 .0208 187 366 .0277 279
M231009 .906 .402 .0354 .0299 .0650 .844 111 .0075 72 191 .0149 135 252 .0224 188 302 .0299 232
M231010 .906 .402 .0394 .0278 .0669 .704 129 .0069 69 230 .0139 130 314 .0208 183 388 .0278 255
M231013 .906 .402 .0492 .0259 .0748 .526 210 .0065 72 391 .0129 142 555 .0194 231 709 .0259 333
M231210 .906 .480 .0394 .0239 .0630 .606 113 .0060 65 208 .0119 124 290 .0179 176 365 .0239 228
M231213 .906 .480 .0492 .0239 .0728 .487 208 .0060 77 392 .0120 147 560 .0180 216 720 .0239 310
M231215 .906 .480 .0591 .0199 .0787 .336 279 .0050 73 542 .0099 153 794 .0149 241 1040 .0199 337
M251010 .984 .402 .0394 .0297 .0689 .754 117 .0074 61 207 .0149 114 279 .0223 160 342 .0297 230
M251207 .984 .480 .0276 .0357 .0630 1.293 79 .0089 76 122 .0178 140 142 .0268 191 150 .0357 231
M251209 .984 .480 .0354 .0278 .0630 .786 87 .0070 59 153 .0139 111 204 .0209 156 248 .0278 193
M251210 .984 .480 .0394 .0318 .0709 .808 140 .0080 77 245 .0159 144 325 .0239 202 393 .0318 250
M251213 .984 .480 .0492 .0279 .0788 .568 204 .0070 73 378 .0140 140 532 .0209 200 675 .0279 292
M251215 .984 .480 .0591 .0218 .0807 .370 250 .0055 65 482 .0109 138 702 .0164 219 917 .0218 307

Materials Used: AISI - C0175 · ALLOY - 6150, INCONEL x 750 or 718, STAINLESS: 17/7 · AND STAINLESS 301 OR 302

Nomenclature: P Ld=load in lbs. Stress=stress in (psi) lbs/sq. in x 10³ f Deflection= deflection in inches

Notes: 1. Disc Springs are tested only at f=.75h 2. Stress value at .75h is tensile at Point 2 or 3, depending on which is higher.

Important Note: Disc springs of thickness greater than .236" (6mm) will automatically be supplied with reduced thickness and bearing flats as shown in this catalog. Disc springs of thickness .236" (6mm) are supported in full and reduced thickness as shown in this catalog; please make specific request.

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