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

M633118 2.480 1.220 .0709 .0933 .1634 1.316 563 .0233 81 869 .0467 150 1004 .0700 206 1054 .0933 248
M633125 2.480 1.220 .0984 .0695 .1673 .707 700 .0174 62 1252 .0348 118 1705 .0521 166 2108 .0695 208
M633130 2.480 1.220 .1181 .0717 .1890 .607 1176 .0179 74 2155 .0359 140 3004 .0538 198 3786 .0717 276
M633135 2.480 1.220 .1378 .0557 .1929 .404 1293 .0139 58 2479 .0278 125 3594 .0418 199 4672 .0557 281
M702620 2.760 1.004 .0787 .0990 .1772 1.258 570 .0248 61 890 .0495 113 1046 .0743 155 1118 .0990 187
M703125 2.760 1.201 .0984 .0953 .1929 .968 892 .0238 72 1493 .0476 135 1900 .0714 187 2210 .0953 229
M703130 2.760 1.201 .1181 .0834 .2008 .706 1114 .0209 66 1992 .0417 125 2714 .0626 175 3356 .0834 249
M703630 2.760 1.398 .1181 .0836 .2008 .708 1201 .0209 75 2148 .0418 142 2924 .0627 201 3615 .0836 250
M703640 2.760 1.398 .1575 .0717 .2283 .456 2106 .0179 74 3996 .0359 142 5742 .0538 229 7415 .0717 326
M704140 2.760 1.595 .1575 .0641 .2205 .407 2024 .0160 75 3878 .0320 144 5619 .0480 216 7304 .0641 305
M704150 2 760 1.595 .1968 .0480 .2441 .244 2786 .0120 70 5481 .0240 146 8117 .0360 227 10723 .0480 313
M713620 2.800 1.420 .0787 .1033 .1811 1.313 678 .0258 81 1048 .0517 149 1212 .0775 204 1273 .1033 246
M713625 2.800 1.420 .0984 .0795 .1772 .808 685 .0199 61 1193 .0397 114 1585 .0596 160 1917 .0795 198
M713640 2.800 1.420 .1575 .0637 .2205 .405 1766 .0159 62 3386 .0319 128 4907 .0478 204 6380 .0637 288

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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