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

M168204 .630 .323 .0157 .0198 .0354 1.263 20 .0050 60 31 .0099 111 36 .0149 152 38 .0198 184
M168206 .630 .323 .0236 .0179 .0413 .757 41 .0045 64 72 .0089 120 97 .0134 169 119 .0179 210
M168207 .630 .323 .0276 .0179 .0453 .649 61 .0045 71 111 .0089 134 153 .0134 189 191 .0179 242
M168208 .630 .323 .0315 .0159 .0472 .504 74 .0040 66 138 .0079 125 197 .0119 186 252 .0159 268
M168209 .630 .323 .0354 .0140 .0492 .394 87 .0035 60 167 .0070 126 242 .0105 200 315 .0140 281
M186204 .709 .244 .0157 .0238 .0394 1.515 20 .0059 48 30 .0119 88 33 .0178 120 32 .0238 143
M186205 .709 .244 .0197 .0237 .0433 1.203 31 .0059 53 49 .0119 98 58 .0178 134 63 .0237 162
M186206 .709 .244 .0236 .0237 .0472 1.005 45 .0059 58 75 .0119 108 95 .0178 149 109 .0237 195
M186207 .709 .244 .0276 .0217 .0492 .787 56 .0054 55 99 .0109 104 132 .0163 159 160 .0217 241
M186208 .709 .244 .0315 .0198 .0512 .629 68 .0050 53 125 .0099 114 173 .0149 189 218 .0198 276
M188205 .709 .323 .0197 .0238 .0433 1.206 33 .0059 63 52 .0119 116 62 .0178 160 68 .0238 193
M188207 .709 .323 .0276 .0218 .0492 .789 61 .0054 66 106 .0109 124 142 .0163 174 172 .0218 216
M188208 .709 .323 .0315 .0199 .0512 .631 74 .0050 63 135 .0099 119 187 .0149 169 234 .0199 248
M188210 .709 .323 .0394 .0158 .0551 .402 101 .0040 59 194 .0079 126 282 .0119 200 366 .0158 282
M189245 .709 .362 .0177 .0238 .0413 1.343 28 .0059 66 43 .0119 122 50 .0178 167 52 .0238 201
M189207 .709 .362 .0276 .0198 .0472 .717 55 .0049 64 99 .0099 120 134 .0148 169 165 .0198 211
M189210 .709 .362 .0394 .0159 .0551 .403 108 .0040 60 207 .0079 124 300 .0119 198 389 .0159 280

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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