Sven Wingquist - Spherical ball bearings - Tekniska museet
File:Sketch self aligning bearing Wingquist.png - Wikipedia
Sven Gustaf Wingqvist - Wikipedia
Sven Wingquist Self-Aligning Ball Bearing, Moma NY SKF industries Hartford CT. | eBay
The Swedish industrial man and inventor Sven Wingquist sitting in the large ball bearings, which was shown at the anniversary exhibition in Gothenburg Stock Photo - Alamy