Precision - Glossary

Precision - Glossary - Technical

Glossary - Precision

Accuracy; exactness; how closely the dimensions of the bearing conform to the stated dimensions.

For example; An inner diameter may be stated as 8.000 mm +0/-0.008mm which would mean that the inner diameter can be anywhere from 7.992 to 8.000mm. A more precise version of this bearing would be one with an inner diameter of 8.000mm +0/-0.003mm, which could also be represented as 7.997 to 8.000mm.

The Small Parts and Bearings has a much larger range of engineering supplies.

Hobby and Engineering Supplies lists a smaller range of products and only the most popular items in each range. They also list many additional hobby specific categories.

For the best range of miniature and small bearings please try the Miniature Bearings Australia website. Miniature Bearings Australia also list a large variety of miniature engineering products.

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