Belleville Disc Washer Springs - Learn About

High Loads in Small Spaces

When your compression spring application requires a high load in small spaces, Lee Spring's Belleville Disc Washers can be the solution. Their conical configuration enables them to support high loads with relatively small deflections and solid heights compared to helical springs. Belleville Washers are often used to solve vibration, thermal expansion, relaxation and bolt creep problems.

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Lee Spring Standard Series Belleville Disc Washers are manufactured from 300 Series Stainless Steel. Additionally, Lee Spring Standard Series Belleville Disc Washers are passivated in accordance with specification ASTM A967 (supercedes QQ-P35) to remove contaminants and further improve resistance to corrosion. 300 Series Stainless Steel is slightly magnetic and is recommended for applications with temperatures up to 500°F (260 °C).

The Lee Spring DIN Belleville Disc Washer Series offers metric disc spring washers to meet global demand for sizes specified by DIN .  Lee Spring also expand on size options past DIN &#;s standard size tables, made to DIN manufacturing and quality specifications to provide component flexibility for product designers. DIN Belleville Disc Washers are made with 51CrV4 spring steel (AISI ) and finished with a phosphate and oil surface for general protection from corrosion. 

DIN Belleville Disc Washer Series designs are classified into three groups based on the material thickness:

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Group 1 &#; This range applies to disc spring washers with material thickness less than 1.25mm.  Lee Spring DIN Belleville Disc Washer Series include 88 sizes in Group 1, over a selection of outside diameters from 6mm (0.236&#;) to 40mm (1.575&#;) with inside diameters from 3.2mm (0.126&#;) to 20.4mm (0.803&#;).

Group 2 &#; This range applies to disc spring washers with material thickness from 1.25mm through 6mm.  Lee Spring DIN Belleville Disc Washer Series include 161 sizes in Group 2, over a selection of outside diameters from 20mm (0.787&#;) to 200mm (7.874&#;) with inside diameters from 10.2mm (0.402&#;) to 102mm (4.016&#;).

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