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

M147235 .551 .283 .0138 .0178 .0315 1.292 16 .0045 63 25 .0089 116 29 .0134 159 31 .0178 192
M147205 .551 .283 .0197 .0158 .0354 .804 28 .0040 63 50 .0079 119 66 .0119 167 80 .0158 207
M147208 .551 .283 .0315 .0119 .0433 379 68 .0030 60 131 .0060 127 191 .0090 201 249 .0119 282
M155204 .591 .205 .0157 .0218 .0374 1.389 24 .0055 61 36 .0109 112 41 .0164 152 42 .0218 183
M155205 .591 .205 .0197 .0198 .0394 1.005 32 .0050 58 52 .0099 109 66 .0149 150 76 .0198 194
M155206 .591 .205 .0236 .0178 .0413 .754 41 .0045 55 72 .0089 103 96 .0134 164 118 .0178 247
M155207 .591 .205 .0276 .0158 .0433 .572 51 .0039 54 94 .0079 120 133 .0118 197 168 .0158 286
M156205 .591 .244 .0197 .0198 .0394 1.007 33 .0050 64 54 .0099 120 69 .0149 166 79 .0198 203
M156206 .591 .244 .0236 .0178 .0413 .756 42 .0045 61 74 .0089 114 100 .0134 161 123 .0178 228
M156207 .591 .244 .0276 .0158 .0433 .573 53 .0040 57 98 .0079 111 138 .0119 182 174 .0158 265
M158207 .591 .323 .0276 .0159 .0433 .576 61 .0040 73 114 .0080 140 159 .0119 198 202 .0159 257
M158208 .591 .323 .0315 .0159 .0472 .506 88 .0040 81 166 .0080 154 236 .0120 220 303 .0159 308

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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