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STANDARD
O-RING SIZE TABLE

misure-o-ring-metrici

O-Rings represent one of the most popular types of seals globally, used in a wide range of applications in different industrial sectors. Given their many applications, there is a wide range of sizes available, making it essential to adopt size standards to ensure compatibility and interchangeability.

Over the years, several size standards for O-Rings have been developed, which provide a reference point for the most common sizes used in the industry.

Below are the tables of the standards that we consider to be the most commonly adopted by our customers.

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If you already know the specifics of your order, you can request a quick quote from our sales team.

METRIC TOLERANCES

AS-568

The standard dimensions of AS-568 O-rings they are the most commonly used in the world. O-ring tolerances vary depending on use: see the O-ring tolerance table or contact us for assistance.

STANDARD JAPANESE SIZES

JIS B 2401 is a Japanese industry standard for O-ring dimensions. Tolerances vary depending on use, please see table.

COMMON METRIC O-RING SIZES 

Use the metric O-ring size chart to find the most common O-ring sizes based on cross section, inside diameter, and outside diameter. In addition to standard metric O-ring sizes, thousands of non-standard metric O-ring sizes are available from stock or can be custom made in just a few weeks, usually without additional tooling costs.

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