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Materials - Technical

Materials

Standard materials used for the races of our miniature ball bearings are AISI440C Stainless Steel and SAE52100 Chrome Alloy Bearing Steel

AISI440C Stainless Steel bearings are heat treated to a hardness usually from Rockwell C 58 to Rockwell C 61+. All RMB German Product is manufactured to a minimum of Rockwell C 61. The maximum recommended operating temperature is 177o Celsius (350o farenheit).

SAE52100 chrome steel Bearings are usually slightly harder than AISI440C bearings. RMB heat treats their SAE52100 chrome steel bearings to Rockwell C 61-64. The maximum recommended operating temperature of chrome steel bearings is 120o Celsius (248o farenheit).

Operating temperatures higher than those shown above will need special treatment. Please consult SPB.

See our sections on seals and shields and cages for information about the materials used in these parts.

Bearings for very corrosive environments are made from 316 stainless steel or acetal, but it must be noted that tolerances for these bearings are not as precise as for AISI440C or SAE52100. The available range of these types is limited.

The materials listed below cover some of the standard materials used in the Hobby and Engineering Supplies product range. Not all materials are available for bearings. When you click into each material you will see a list of standard HES Products to which that particular material relates.


Carbon Steels
Ceramics
Metals
Miscellaneous Materials
Plastics
Rubber
Stainless Steel

Acetal TM is a registered trademark of DuPont. Kevlar TM is a registered trademark of DuPont. Teflon TM is a registered trademark of DuPont. Torlon TM is a registered trademark of BP Amoco.


You can find many types of materials in the Hobby and Engineering Supplies 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 2530 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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