Abecprecision - Glossary - Technical

Glossary - ABEC Precision Grade

The ABEC Precision Grade is a scale of tolerances to which precision bearings are manufactured. The scale range is 1, 3, 5, 7 and 9, with 9 being the highest grade. High rated bearings are intended for precision applications like aircraft instruments or surgical equipment. Lower grades are intended for the vast majority of applications such as vehicles, mechanical hobbies, skates, fishing reels and industrial machinery. High ABEC rated bearings allow optimal performance of critical applications requiring very high RPM and smooth operation. High ABEC rated bearings do not make equipment go faster or smoother, they allow high precision equipment to operate at their optimum speed and efficiency.

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You can find many precision bearings in the Hobby and Engineering Supplies Precision Bearings Online Catalogue pages.


For a huge range of bearings online please visit the Bearing Shop Online Website.

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

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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Hobby and Engineering Supplies offers 2678 products in 281 categories including spare parts for remote control cars, assortment kits, kites, styrene, depron, ceramic and ceramic hybrid bearings, bearings, tools, belts and adhesives - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

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