Bearings • Ball Bearings
Ball bearing is a rolling element bearing with balls that separate the moving elements. They are used to reduce rotational friction while holding up radial and axial loads. Two races, one fixed, hold the balls and transmit loads through the balls. The rolling balls produce a low coefficient of friction. Ball bearings typically have a low load capacity but allow for misalignment of the inner and outer races. They can be made of various materials, including stainless steel and plastic. They have several common designs such as angular contact, axial, thrust, sealed, flanged, self aligning and deep groove. Various sizes and configurations are available; large, miniature, inch, metric, double and single row.
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RBC are suppliers and manufacturers of ball bearings for industrial and aerospace applications. Types include Nice, radial, heavy duty needle roller, Fiberglide self lubricating, spherical plain, tapered roller, and stud type track roller designs. Nice ball bearings come in standard inch type, radial, angular contact or thrust type, and come with flanged housings in sealed, shielded or open configurations.
Hartford are manufacturers of a variety of ball bearing types. The most common are their deep groove single row. These offer excellent radial load carrying in sealed or shielded designs. They are made of chrome steel and feature a standard inner diameter range of 10mm to 75mm. Their heavy load ball bearings offer excellent radial load carrying and come in sealed and shielded designs as well. They are made of chrome steel and offer a standard inner diameter range of 17mm to 100mm.
Barden are manufacturers of deep groove, single row, radial, and precision angular contact ball bearings. They also sell roller and double direction angular contact thrust and precision ceramic designs. All of their products come in inch type or metric sizes ranging from 3/8 inch to 15 3/4 inch outside diameter. Barden manufactures their products to ABEC 7 or 9.