Rolling bearings Free (Polygon mesh 3D model) is available on CGTrader for free. Original author: nikola-cirkovic.
STL (Stereolithography, filesize: 1.34 MB), SLDPRT (SolidWorks, filesize: 1.34 MB), 3DS (3D Studio, filesize: 1.34 MB), STP (STEP, filesize: 1.38 MB)