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Metric miniature bearings are single row deep groove ball bearings with bore diameters ranging from 1 mm to 10 mm. These bearings are constructed so that they can accommodate moderate radial and thrust loads and operate at high speeds. The types of miniature deep groove ball bearings include metric 68 series, 69 series, 60 series, etc. On this basis, they can also be divided into bearings with ZZ steel shields, miniature bearings with RS rubber seals, and Teflon bearings. Sealed ring bearing series and flange rib series, etc. AUB also accepts customized miniature bearings according to customer requirements.
At AUB, we have a wide selection of miniature ball bearings for you to choose from. Metric, inch, standard, flanged, open, sealed, shielded, chrome steel, stainless steel – plus a range of miniature thrust ball bearings. Miniature bearings are used in many applications such as remote control models, gyroscopes, miniature gearboxes, small motors, small instruments, dental equipment, vacuum cleaners, scooters, skateboards, fishing reels, etc.
With such a large application, it should come as no surprise that we now have an inventory of nearly 1 million miniature bearings in several thousand different types. View our bearing specification sheets detailing all the sizes and varieties we offer, with bore sizes as small as 1.0mm in metric sizes. Similar to the inch series miniature bearings, the metric series ball bearings offer high precision ABEC 3, 5 and 7 tolerances and are available with different radial clearances. Here you'll find standard sizes, weights and speeds to help make the right selection for your application.
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