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

M22511265 8.860 4.410 .2441 .2938 .5354 1.203 5321 .0734 68 8421 .1468 126 10040 .2202 174 10918 .2936 210
M22511280 8.860 4.410 .2950 .2784 .5709 .944 7271 .0696 69 12243 .1392 129 15681 .2088 180 18353 .2784 221
M22511212 8.860 4.410 .4430 .2289 .6693 .517 15165 .0572 68 28392 .1145 129 40326 .1717 194 51613 .2289 280
M25010210 9.840 4.020 .3780 .3334 .7087 .882 13127 .0833 72 22463 .1667 135 29251 .2500 188 34779 .3334 235
M25010212 9.840 4.020 .4528 .2978 .7480 .658 17196 .0744 68 31152 .1489 129 42916 .2233 197 53608 .2978 291
M25012770 9.840 5.000 .2638 .3214 .5827 1.218 6101 .0803 67 9627 .1607 124 11427 .2410 171 12368 .3214 207
M26012710 9.840 5.000 .3700 .3025 .6693 .818 11651 .0756 73 20257 .1513 138 26833 .2269 193 32393 .3025 238
M25012712 9.840 5.000 .4430 .3212 .7598 .725 20008 .0803 89 35617 .1606 168 48293 .2409 237 59503 .3212 295
M25012714 9.840 5.000 .5160 .2591 .7717 .502 22121 .0648 73 41550 .1295 140 59185 .1943 210 75924 .2591 302
M25012716 9.840 5.000 .5910 .2716 .8583 .460 34298 .0679 86 65017 .1358 165 93351 .2037 263 120456 .2716 374

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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