yristybearing
Yristybearing is a family of bearing designs intended to minimize friction and wear by integrating microstructured, or yristy, raceway surfaces with advanced lubrication regimes. The term refers to bearings that use a textured yristy surface—an array of small grooves on the raceways—to trap lubricant and generate a controlled hydrodynamic film around the rolling elements, which can be balls or rollers. Variants may employ ceramic or coated steel races and high-precision cages to maintain alignment at high speeds.
In typical configurations the rolling elements operate within a thin lubricant film, reducing metal-to-metal contact. Some
History and status: The concept emerged in engineering literature in the mid-2010s and has since seen prototype
Applications include high-speed turbines, aerospace actuators, precision machine tools, electric motors in advanced vehicles, and wind-turbine
Variants include radial-ball, thrust-ball, and cylindrical-roller forms; challenges include tight manufacturing tolerances, reliable lubrication control, and