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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NSK are manufacturers of ball bearings that can handle moderate to heavy radial loads, and low to moderate thrust loads in either direction. Specific types of ball bearings offered by NSK include deep groove radial type (high quality steel, high speed, radial and axial loads), Max Type (heavy radial loads and low speeds), double row, self aligning type (high quality steel, small contact angle, sealed versions available), Mast Guide (high load capacity), super precision, and angular contact designs. Other types of bearings offered by NSK include spherical, tapered, cylindrical, super precision, thrust and needle roller configurations. NSK also manufactures thin section double row angular contact ball bearings and pillow blocks.