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STOCK BELLEVILLE SPRINGS
High-Carbon and Stainless Steels

Key Bellevilles "bolting" series disc springs are used to maintain load or tension in bolted assemblies. Belleville springs maintain high tension compensating for different expansion of dissimilar metals such as electrical connection bolting or in wear situations. This series should not be used in precision mechanical equipment or in dynamic application without detailed stress studies. Alternate materials are available for most sizes. Mechanical zinc or cadmium plating is also available if required. For economical purposes this series is supplied without initial set removed. After initial loading the dish height "h" will be lower. Loads given are approximate at full deflection.

Catalog Number Bolt Size Max O.D. Min I.D. Thickness h H Flat Load
K0500-A-018 1/4 .500 .255 .018 .016 .034 72
K0500-A-022 .500 .255 .022 .014 .036 115
K0500-A-025 .500 .255 .025 .013 .038 109
K0500-A-038 .500 .255 .038 .009 .047 400
K0562-A-042 .562 .255 .042 .013 .055 567*
K0637-A-032 .637 .255 .032 .016 .048 222
K0687-A-052 .687 .255 .052 .017 .069 884*
K0750-A-025 .750 .255 .025 .024 .049 114
K0750-A-036 .750 .255 .036 .018 .054 261
K0750-A-052 .750 .255 .052 .013 .065 560
K0812-A-061 .812 .255 .061 .023 .084 1,350*
K0875-A-050 .875 .255 .050 .016 .066 445
K0875-A-075 .875 .255 .075 .011 .086 1,032
K0937-A-070 .937 .255 .070 .030 .100 1,989*
K0625-B-022 5/16 .625 .317 .022 .020 .042 105
K0625-B-032 .625 .317 .032 .016 .048 260
K0625-B-047 .625 .317 .047 .012 .059 600
K0687-B-052 .687 .317 .052 .016 .068 892*
K0812-B-061 .812 .317 .061 .020 .081 1,214*
K0937-B-030 .937 .317 .030 .030 .060 116
K0937-B-045 .937 .317 .045 .022 .067 395
K0937-B-070 .937 .317 .070 .024 .094 1,610*
K1000-B-090 1.00 .317 .090 .012 .102 1,499
K1063-B-080 1.063 .317 .080 .031 .111 2,388*
K1125-B-062 1.125 .317 .062 .021 .083 671
K0875-B-040 .875 .317 .040 .017 .057 334

* Denotes parts that should not be used on applications other than simple fastenings. For other applications, check with Key Bellevilles.

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Key Bellevilles, Inc.
100 Key Lane, Leechburg, Pennsylvania 15656-9531
Phone: 724.295.5111   Toll Free: 800.245.3600
Fax: 724.295.2570   Toll Free: 800.847.1672
sales@keybellevilles.com