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

M803125 3.150 1.220 .0984 .1110 .2087 1.128 874 .0277 65 1407 .0555 120 1714 .0832 165 1906 .1110 200
M803130 3.150 1.220 .1181 .0990 .2165 .839 1078 .0248 60 1864 .0495 112 2456 .0743 157 2950 .0990 217
M803140 3.150 1.220 .1575 .0833 .2402 .529 1753 .0208 57 3272 .0417 126 4637 .0625 205 5923 .0833 295
M803630 3.150 1.420 .1181 .1072 .2244 .908 1291 .0268 75 2194 .0536 140 2837 .0804 194 3351 .1072 239
M803640 3.150 1.420 .1575 .0875 .2441 .555 1960 .0219 67 3637 .0437 127 5125 .0656 201 6520 .0875 291
M804123 3.150 1.610 .0886 .1172 .2047 1.322 878 .0293 82 1354 .0586 152 1562 .0879 208 1635 .1172 251
M804130 3.150 1.610 .1181 .0915 .2087 .775 1058 .0229 66 1860 .0457 124 2491 .0686 174 3036 .0915 216
M804140 3.150 1.610 .1575 .0877 .2441 .557 2097 .0219 75 3890 .0438 143 5480 .0658 203 6969 .0877 287
M804150 3.150 1.610 .1968 .0678 .2638 .345 2844 .0170 67 5511 .0339 142 8062 .0509 224 10553 .0678 314
M904625 3.540 1.810 .0984 .1271 .2244 1.292 1007 .0318 77 1563 .0636 143 1818 .0953 196 1923 .1271 237
M904635 3.540 1.810 .1378 .0994 .2362 .721 1392 .0248 64 2480 .0497 121 3366 .0745 171 4151 .0994 213
M904650 3.540 1.810 .1968 .0797 .2756 .405 2709 .0199 61 5191 .0399 125 7524 .0598 199 9781 .0797 281

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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