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

M2008280 7.870 3.230 .2992 .2619 .5591 .875 7957 .0654 70 13641 .1309 131 17800 .1964 183 21196 .2619 228
M2008210 7.870 3.230 .3780 .2343 .6102 .620 12024 .0585 69 21991 .1171 130 30571 .1757 208 38457 .2343 305
M2008212 7.870 3.230 .4528 .2026 .6535 .447 16216 .0506 72 30847 .1013 154 44373 .1519 246 57386 .2026 349
M2009210 7.870 3.620 .3740 .2429 .6142 .649 12836 .0607 78 23287 .1214 148 32148 .1821 209 40226 .2429 298
M2009212 7.870 3.620 .4488 .2151 .6614 .479 17772 .0537 75 33577 .1075 152 48048 .1613 246 61850 .2151 351
M2009214 7.870 3.620 .5160 .1992 .7126 .386 23996 .0498 83 46160 .0996 177 67103 .1494 280 87434 .1992 394
M20010255 7.870 4.020 .2165 .2779 .4921 1.284 4710 .0695 75 7322 .1390 139 8536 .2085 190 9051 .2779 230
M20010280 7.870 4.020 .2950 .2430 .5354 .824 7474 .0608 74 12974 .1215 139 17158 .1823 194 20684 .2430 240
M20010210 7.870 4.020 .3700 .2477 .6142 .669 13575 .0619 88 24507 .1238 166 33676 .1858 234 41963 .2477 293
M20010212 7.870 4.020 .4430 .1972 .6375 .445 16230 .0493 72 30859 .0986 140 44422 .1479 225 57451 .1972 319
M20010214 7.870 4.020 .5160 .2039 .7165 .395 26090 .0510 85 50101 .1019 178 72728 .1529 283 94662 .2039 399
M20011212 7.870 4.410 .4370 .2043 .6378 .468 17471 .0510 84 33094 .1021 161 47460 .1532 230 61198 .2043 327
M20011214 7.870 4.410 .5079 .1845 .6890 .363 23615 .0460 82 45714 .0922 164 66685 .1383 260 87160 .1845 365
M20011216 7.870 4.410 .5827 .1604 .7402 .275 30125 .0401 86 59027 .0802 178 87113 .1203 277 14789 .1604 382

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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