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Belleville Disc Spring Washers

disc springs

Belleville Disc Springs
The American Ring Mfg standard range of disc springs is intended for exacting applications where long fatigue-life or repeatability of force (load)/deflection characteristics is important. Metric sizes are manufactured in accordance with the requirements of DIN 2093 or DIN 6796.

Sizes with a material thickness of less than 1.25 mm (.049 inch) are made from high carbon steel strip SAE 1070-1090, with rounded edges; metric (DIN 2093) sizes with material thickness from 1.25 mm (.049 inch) up to and including 6 mm (.236 inch) are made from chrome vanadium alloy steel conforming to AISI 6150 (50CrV4) and are machined on the inside and outside diameters with all edges rounded. Disc Springs and Belleville washers are also available, by request in 301/302 Stainless Steel, 17-7PH Stainless Steel, 510 Phosphor Bronze, Inconel 718 or Inconel X750, and H13 Tool Steel for extreme high temperature applications.

Disc springs and Belleville washers from American Ring Mfg are used in a wide variety of applications, including, but certainly not limited to:

Clutches, limiting and fail-safe brakes, transmissions, torque limiters and torque converters, valves, piping and shock absorbing drilling tools in the oilfield and mining industries, heat exchangers, electrical switchgear and bus bars, computer spindle drives, ball-bearing locating and end-play takeup, valve actuators, tensioning cable support assemblies, stripper assemblies, machine tools (die seating), tooling for turret presses and CNC Systems, live-loaded valve packing, pole-line hardware, circuit breakers, structural members, pipe hold-downs and pipe flange fittings, electrical substations, seismic damping devices, small engines, as well as bolting applications ranging from the most basic to more complex requirements involving resiliency to higher temperature and corrosive environments.

If you have an application that either calls for a strong, long-lasting & predictable spring load, where a standard coil spring just won't do the trick, or a fastening solution beyond the limitations of simple lock-washer technology, American Ring Mfg has the Belleville product for you!

If you don’t see what you need here, then call, fax or e-mail us for further personalized assistance.

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Find disc spring by part number

This link will take you to a search tool that will allow you to interchange disc spring part numbers. Search by many different manufacturers part numbers to find the spring you need.

List of Disc Spring Industry Part Numbers

Disc Springs for Dynamic Loading Applications

Disc Springs for Dynamic Loading Applications
Disc springs to meet specific load-at-height requirements. Infinite stacking configurations to meet demanding challenges.

View Series Data:
Metric DIN 2093
American Inch

Belleville Washers and Serrated Safety Washers for Bolt Preload

Belleville Washers and Serrated Safety Washers for Bolt Preload
Springs for simple bolting applications where high loads are required. Serrated safety washers lock the bolt into position and are ideal for assemblies that experience vibration

Search by bolt size

View Series Data:
DIN 6796
Serrated Safety Washers

Disc Springs for Bearing Preload

Specialized disc springs used as a pre-loading spring in radial ball-bearing applications.

View Series Data:
Ball Bearing Location Springs