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Wingqvist developed a self-aligning ball bearing Wingqvist's self-aligning ball bearing Conrad The Conrad-style ball bearing is named after its inventor, Robert Conrad, who was awarded British patent 12,206 in 1903 and U.S. patent 822,723 in 1906. These bearings are assembled by placing the inner ring into an eccentric position relative to the ...
On May 21, SKF filed the patent application at the Swedish Patent and Registration Office (PRV) for a Multi-row self-aligning radial ball bearing. The patent was granted June 6 with patent reg. No. 25406. Inventor: S.G. Wingqvist. [2] In the patent application a double-row as well as a triple-row ball bearing is described.
Self-aligning spherical bearings were first used by James Nasmyth around 1840 to support line shaft bearings in mills and machine shops. [1] For long shafts it was impossible to accurately align bearings, even if the shaft was perfectly straight. Nasmyth used brass bearing shells between hemispherical brass cups to allow the bearings to self-align.
In 1906, Sven Wingquist patented the self-aligning ball bearing, and in 1907, the multi-row self-regulating radial ball bearing (spherical ball bearing). He graduated Örebro Technical Elementary School in 1894, whereafter he started working as an engineer in Swedish textile factories, respectively Jonsereds Fabriker AB from 1896 to 1899 and ...
Spherical roller bearing with a brass cage in a cut-through view. A spherical roller bearing is a rolling-element bearing that permits rotation with low friction, and permits angular misalignment. Typically these bearings support a rotating shaft in the bore of the inner ring that may be misaligned in respect to the outer ring.
A ball bearing. A bearing is a machine element that constrains relative motion to only the desired motion and reduces friction between moving parts.The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts.
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