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Ultra-high speed angular contact ball bearings are engineered for high-speed operation, ideal for light load conditions and low operating temperatures. This design adopts a maximum number of extra small balls. The lightweight miniature balls reduce centrifugal loads on the outer ring raceway and lower stress on rolling contact surfaces. Since small balls occupy less space, the bearing rings feature larger cross-sections, which resist deformation caused by misalignment of shafts or housings.
Developed for high-speed working conditions, these bearings can withstand combined radial and axial loads. They deliver low friction, low temperature rise and excellent operational stability. With high precision class and compact structure, they are well-suited for high-speed spindles, precision motors and other equipment, and widely applied in machine tools, high-end precision machinery and high-speed transmission systems.
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Boundary dimensions (mm) |
Contact angle a |
Rated load (KN) |
Speed limit (r/min) |
Weight (kg) |
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