Springs and Spring Washers - Electronic Fasteners Inc

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BELLEVILLE SPRING WASHERS Stock sizes in high-carbon and stainless steels Belleville spring washers are especially suited for applications requiring high loads in small spaces. By combining them in varying sequences, each size gives numerous load-carrying possibilities. These washers have had all set removed during the manufacturing process. Material Spring Steel Commercial 1074 - Certified to ASTM-A684 Stainless Steel (Parts with suffix “S”) Thicknesses (t) up to and including 0.072 in (1.83 mm): • Commercial - Type 302, • Government AMS 5906 type 302 (Chemistry only). Thicknessess (t) over 0.072 in (1.83 mm): • Commercial - Type 17-7 PH certified to AMS 5528. Certificate of compliance available upon request. Certificate of chemical analysis available at extra cost. Load and Deflection Typical load-deflection curves for three characteristic proportions of washers listed are shown in Figure 1 below. From them, loads at intermediate heights may be estimated. The nominal amount of dish or cone (h) is found by subtracting “t” from “H”. H H 1 P 1 F O.D.= Outside Diameter I.D.= Inside Diameter t= Thickness H= Approx. Free height H 1 = Loaded Height P 1 = Load at deflection F F= Deflection H-H 1 Stacked Spring Washers Additional load or deflection can be obtained by stacking spring washers in series or in parallel. See charts below. Contact our engineering department for tolerances. Shown below are the comparative force/deflection graphs for the alternative methods of stacking. I.D. O.D. t 100 BELLEVILLE SPRING WASHERS LOAD IN PERCENT OF LOAD AT FLAT POSITION 90 80 70 60 50 40 30 20 10 h=t h=0.5t h=0.25t Figure 1 10 20 30 40 50 60 70 80 90 100 DEFLECTION IN PERCENT OF h EXAMPLE: Using part B1250-040, estimate the load at 75% deflection. h = H - t = 0.082 in. (2.08 mm) - 0.040 (1.02 mm) = 0.042 (1.07 mm); h/t = 0.042/0.040 ~ 1 From Fig. 1, using the curve “h = t”, the load at 75% of the deflection is approximately 87% of the load at flat position. From the tables (see following pages), calculated load at flat is 330 lbs (1,468 N) .87 x 330 = 287 lbs (1,277 N). The typical curves in Fig. 1 are shown with dotted lines beyond 75% of deflection to indicate that load characteristics in this area are not reliable because of partial bottoming of the washers. 98 TO ORDER: WWW.ASRAYMOND.COM OR SEE PHONE & FAX NUMBERS ON BACK COVER
BELLEVILLE SPRING WASHERS Free Fit over Rod Ø Minimum I.D. Ref. Load at Flat Position (P) lb N Catalog Number* Maximum O.D. Free Fit in Hole Ø Stock Thickness (t) Free Height (H) Approximate Loaded Height (H1) Load at H1(P1) (Min./Max.) in in mm in mm in mm in in mm in mm in mm in mm lb N B0187-007 0.0065 0.17 0.013 0.33 0.010 0.25 5.7-7.8 25.4-34.7 9.9 44 B0187-007-S 3/32 0.093 2.36 0.093 2.36 0.187 4.75 3/16 0.1875 4.76 0.0065 0.17 0.013 0.33 0.010 0.25 5.7-7.8 25.4-34.7 9.9 44 B0187-010 0.010 0.25 0.015 0.38 0.013 0.32 13-17.6 57.8-78.3 27.8 124 B0187-010-S 0.010 0.25 0.015 0.38 0.013 0.32 13-17.6 57.8-78.3 27.8 124 B0250-009 0.0086 0.22 0.017 0.44 0.013 0.33 9.9-13.5 44-60.1 16.9 75 B0250-009-S 0.0086 0.22 0.017 0.44 0.013 0.33 9.9-13.5 44-60.1 16.9 75 B0250-013 1/8 0.125 3.18 0.125 3.18 0.250 6.35 1/4 0.250 6.35 0.0133 0.34 0.020 0.51 0.017 0.43 22-30 97.9-133.5 48 214 B0250-013-S 0.0133 0.34 0.020 0.51 0.017 0.43 22-30 97.9-133.5 48 214 B0375-019 0.375 9.53 3/8 0.375 9.53 0.0185 0.47 0.028 0.71 0.023 0.58 35.3-47.7 156.7-211.8 73 325 B0281-010 0.010 0.25 0.020 0.51 0.015 0.38 12.8-17.3 56.8-76.8 23 102 B0281-013 0.013 0.33 0.021 0.53 0.017 0.43 20.8-28.2 92.5-125.4 43 191 B0281-015 #6 0.138 3.51 0.138 3.51 0.281 7.14 9/32 0.281 7.14 0.015 0.38 0.023 0.58 0.019 0.48 28.5-38.5 124.3-173.2 62 276 B0281-015-S 0.015 0.38 0.023 0.58 0.019 0.48 28.5-38.5 126.8-171.2 62 276 B0437-022 0.437 11.10 7/16 0.438 11.13 0.022 0.56 0.032 0.81 0.027 0.69 46.8-63.3 208.2-281.6 99 440 B0312-011 0.0108 0.27 0.022 0.55 0.016 0.41 15.8-21.4 70.3-95.2 27 120 B0312-011-S 5/32 0.156 3.97 0.156 3.96 0.312 7.92 5/16 0.313 7.95 0.0108 0.27 0.022 0.55 0.016 0.41 15.8-21.4 70.3-95.2 27 120 B0312-017 0.0166 0.42 0.025 0.64 0.021 0.53 35-48 155.7-214 75 334 B0312-017-S 0.0166 0.42 0.025 0.64 0.021 0.53 35-48 155.7-214 75 334 B0343-013 0.013 0.33 0.024 0.61 0.018 0.46 21.3-28.8 94.6-127.9 38 169 B0343-016 0.016 0.41 0.026 0.66 0.021 0.53 30.6-41.4 136.1-184.1 65 289 B0343-019 #8 0.164 4.17 0.164 4.17 0.343 8.71 11/32 0.344 8.74 0.0185 0.47 0.028 0.71 0.023 0.58 43-68 191.3-302.5 93 414 B0343-019-S 0.0185 0.47 0.028 0.71 0.023 0.58 43-68 191.3-302.5 93 414 B0499-025 0.500 12.70 1/2 0.500 12.70 0.025 0.64 0.037 0.94 0.031 0.79 61.6-83.4 274-371 131 583 B0375-015 0.015 0.38 0.027 0.69 0.021 0.53 29-40 129-177.9 55 245 B0375-015-S 0.0150 0.38 0.027 0.69 0.021 0.53 29-40 129-177.9 55 245 B0375-018 0.0175 0.44 0.028 0.71 0.023 0.58 39.1-52.9 173-236 81 360 B0375-020 3/16 0.188 4.78 0.190 4.83 0.375 9.53 3/8 0.375 9.53 0.020 0.51 0.030 0.76 0.025 0.64 51-69 227-307 110 489 B0375-020-S 0.020 0.51 0.030 0.76 0.025 0.64 51-69 227-307 110 489 B0375-030 0.030 0.76 0.036 0.91 0.033 0.84 106-144 471.5-640.6 233 1036 B0562-019 0.562 14.27 9/16 0.563 14.30 0.019 0.48 0.037 0.94 0.028 0.71 38.3-51.8 169-231 67 298 B0562-028 0.028 0.71 0.042 1.07 0.035 0.89 74-100 329-445 163 725 B0437-016 0.016 0.41 0.031 0.79 0.023 0.58 34-46 151.2-205 60 267 B0437-016-S 0.016 0.41 0.031 0.79 0.023 0.58 34-46 151.2-205 60 267 B0437-020 #12 0.216 5.49 0.220 5.59 0.437 11.10 7/16 0.438 11.13 0.020 0.51 0.032 0.81 0.026 0.66 48.5-65.6 213-393 98 436 B0437-023 0.023 0.58 0.034 0.86 0.029 0.74 64.6-87.4 289-396 139 618 B0687-034 0.687 17.45 11/16 0.688 17.48 0.034 0.86 0.050 1.27 0.042 1.07 106-144 471-641 229 1019 B0500-018 0.018 0.46 0.034 0.86 0.026 0.66 38-52 169-231 70 311 B0500-018-S 0.018 0.46 0.034 0.86 0.026 0.66 38-52 169-231 70 311 B0500-022 0.0215 0.55 0.036 0.91 0.029 0.74 55-77 245-343 115 512 B0500-022-S 0.0215 0.55 0.036 0.91 0.029 0.74 55-77 245-343 115 512 B0500-025 0.025 0.64 0.038 0.97 0.031 0.79 80-110 356-489 160 712 B0500-025-S 1/4 0.250 6.35 0.255 6.48 0.500 12.70 1/2 0.500 12.70 0.025 0.64 0.038 0.97 0.031 0.79 80-110 356-489 160 712 B0500-038 0.038 0.97 0.047 1.19 0.043 1.09 161-219 716-974 400 1779 B0500-038-S 0.038 0.97 0.047 1.19 0.043 1.09 161-219 716-974 400 1779 B0637-032 0.637 16.18 41/64 0.641 16.28 0.032 0.81 0.048 1.22 0.040 1.02 100-136 444-605 222 988 B0750-025 0.025 0.64 0.049 1.24 0.037 0.94 65-89 289-395 114 507 B0750-036 0.750 19.05 3/4 0.750 19.05 0.036 0.91 0.054 1.37 0.045 1.14 125-169 555-750 261 1161 B0750-052 0.052 1.32 0.065 1.65 0.058 1.47 264-358 1174-1592 560 2491 B0625-022 0.022 0.56 0.042 1.07 0.032 0.81 59-81 262-360 105 467 B0625-022-S 0.022 0.56 0.042 1.07 0.032 0.81 59-81 262-360 105 467 B0625-032 0.625 15.88 5/8 0.625 15.88 0.032 0.81 0.048 1.22 0.040 1.02 123-167 547-743 260 1157 B0625-032-S 0.032 0.81 0.048 1.22 0.040 1.02 123-167 547-743 260 1157 B0625-047 5/16 0.3125 7.94 0.317 8.05 0.047 1.19 0.059 1.50 0.053 1.35 255-345 1134-1535 600 2669 B0625-047-S 0.047 1.19 0.059 1.50 0.053 1.35 255-345 1134-1535 600 2669 B0937-030 0.030 0.76 0.060 1.52 0.045 1.14 93.5-127 415.9-564.9 159 707 B0937-045 0.937 23.80 15/16 0.938 23.83 0.045 1.14 0.067 1.70 0.056 1.42 185-251 823-1117 395 1757 B0937-045-S 0.045 1.14 0.067 1.70 0.056 1.42 185-251 823-1117 395 1757 B0750-028 0.028 0.71 0.051 1.30 0.039 0.99 93-127 414-565 175 778 B0750-028-S 0.028 0.71 0.051 1.30 0.039 0.99 93-127 414-565 175 778 B0750-034 0.034 0.86 0.055 1.40 0.044 1.12 141-191 627-850 282 1254 B0750-034-S 3/8 0.375 9.53 0.380 9.65 0.750 19.05 3/4 0.750 19.05 0.034 0.86 0.055 1.40 0.044 1.12 141-191 627-850 282 1254 B0750-040 0.040 1.02 0.059 1.50 0.049 1.24 199-271 885-1205 415 1846 B0750-040-S 0.040 1.02 0.059 1.50 0.049 1.24 199-271 885-1205 415 1846 B0750-056 0.056 1.42 0.070 1.78 0.063 1.60 365-495 1624-2202 845 3759 TO ORDER: WWW.ASRAYMOND.COM OR SEE PHONE & FAX NUMBERS ON BACK COVER * Numbers with the suffix "S" are stainless steel. 99 BELLEVILLE SPRING WASHERS
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In addition to the SPEC products de
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120-121 56-63 64-87 112-117 4-45 46
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COMPRESSION SPRINGS COMPRESSION SPR
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COMPRESSION SPRINGS 6 MUSIC WIRE ST
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COMPRESSION SPRINGS 8 MUSIC WIRE ST
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COMPRESSION SPRINGS 10 MUSIC WIRE S
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MUSIC WIRE Outside Diameter (OD) Ca
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COMPRESSION SPRINGS MUSIC WIRE STAI
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HIGH PERFORMANCE COMPRESSION SPRING
Page 50 and 51: TO ORDER: WWW.ASRAYMOND.COM OR SEE
Page 58 and 59: HEAVY DUTY COMPRESSION SPRINGS HEAV
Page 60 and 61: HEAVY DUTY COMPRESSION SPRINGS 58 S
Page 62 and 63: HEAVY DUTY COMPRESSION SPRINGS 60 S
Page 64 and 65: HEAVY DUTY COMPRESSION SPRINGS STOC
Page 66 and 67: EXTENSION SPRINGS EXTENSION SPRINGS
Page 68 and 69: Outside Diameter (OD) Catalog Numbe
Page 90 and 91: TORSION SPRINGS TORSION SPRINGS Sto
Page 92 and 93: TORSION SPRINGS - STAINLESS STEEL M
Page 94 and 95: TORSION SPRINGS - MUSIC WIRE M Sugg
Page 96 and 97: CONICAL COMPRESSION SPRINGS Stock s
Page 98 and 99: CONTINUOUS LENGTH SPRINGS Round Wir
Page 102 and 103: BELLEVILLE SPRING WASHERS 100 BELLE
Page 104 and 105: CLOVER ® DOME SPRING WASHERS Stock
Page 106 and 107: CLOVER ® DOME SPRING WASHERS Catal
Page 108 and 109: METRIC DISC SPRING WASHERS Stock si
Page 110 and 111: METRIC DISC SPRINGS 108 METRIC DISC
Page 112 and 113: METRIC DISC SPRINGS METRIC DISC SPR
Page 114 and 115: CURVED SPRING WASHERS Precision eng
Page 116 and 117: WAVE SPRING WASHERS Stock sizes in
Page 118 and 119: WAVE SPRING WASHERS COMPRESSION TYP
Page 120 and 121: MULTIWAVE COMPRESSION SPRINGS Stock
Page 122 and 123: FINGER SPRING WASHERS Stock sizes i
Page 124 and 125: URETHANE SPRINGS URETHANE COMPRESSI
Page 126 and 127: STOCK URETHANE COMPRESSION SPRINGS
Page 128 and 129: 600 STOCK URETHANE COMPRESSION SPRI
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Page 132 and 133: URETHANE SPRINGS STOCK URETHANE FUL
Page 134 and 135: GAS SPRINGS NITROGEN GAS SPRINGS St
Page 136 and 137: GAS SPRINGS 134 N SERIES Catalog Nu
Page 142 and 143: GAS SPRINGS 140 S SERIES Catalog Nu
Page 148 and 149: S SERIES Catalog Number S14UBM0500
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GAS SPRING END FITTINGS PART NUMBER
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GAS SPRING MOUNTING HARDWARE PART N
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INTERLOCK GARTER SPRINGS Stock size
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GARTER SPRINGS INTERLOCK GARTER SPR
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RETAINING RINGS W O.D. HOUSING SIZE
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W I.D. A SHAFT SIZE t Light duty si
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Internal Retaining Rings (Circlip s
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FASTENERS - HEX HEAD CAP SCREWS AND
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FASTENERS UNC (USS) Part No. TPI-8
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SPRING PINS, PINS AND RINGS Coiled
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Metric Rolled Spring Pins • Meets
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TOOL CLIPS A A. Tool Clip - Type No
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SPRING - LOADED DEVICES PLUNGERS De
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STOCK PACKAGED ASSORTMENTS AND KITS
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PACKAGED ASSORTMENTS STOCK WAVE SPR
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PACKAGED ASSORTMENTS STOCK EXTENSIO
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PACKAGED ASSORTMENTS COMPRESSIONS S
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PACKAGED ASSORTMENTS EXTENSION SPRI
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MECHANICAL COMPRESSION SPRING STRUT
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HANDLES STEEL CORE MOLDED GRAB HAND
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HANDLES ASSIST HANDLE • 5/8” di
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HANDLES ACTIVATING HANDLE • Zinc
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HANDLES TWO POINT KEY-LOCKING STEEL
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LATCHES & CATCHES ROTARY PADDLE LAT
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LATCHES & CATCHES - RODS & ROD GUID
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LATCHES & CATCHES STANDARD CAMS •
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LATCHES & CATCHES TOUCH LATCH • N
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LATCHES & CATCHES SPRING BOLT LATCH
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LATCHES & CATCHES STRIKE • Chrome
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CHECKS, HOLDERS & PROPS STANDARD DO
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CHECKS, HOLDERS & PROPS TELESCOPIC
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DRAWER SLIDES DS-300 SERIES • Zin
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DRAWER SLIDES DS-SSR1 SERIES • 30
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ALMEN STRIPS FROM ASSOCIATED SPRING
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Associated Spring Raymond - SPEC ha
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TERMS OF SALE 1. With respect to go
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Associated Spring-Raymond United St
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