The combined, hydrostatic radial-axial bearings from ZOLLERN impress with their simplicity and a high concentricity and axial runout accuracy. Thanks to the patented bearing clearance compensator, the optimal pocket pressure is set automatically and independently of production tolerances. The integrated oil distribution makes external piping unnecessary.
The freedom from friction at low speeds prevents slip stick and therefore allows maximum positioning accuracy.
Combined radial-axial bearing
The optimal pocket pressure sets itself regardless of production tolerances
The patented bearing clearance compensator works without susceptible capillaries or controllers
Delivery with complete hydraulic system and control system optional
Composite casting bearing with special emergency running properties
Advantages
Calculative unlimited service life
No ball reversal jump due to rolling element deflections when the direction of rotation is reversed
Friction-free at low speeds; no stick-slip effect
Concentricity and axial runout accuracy < 1 µm
Greater bearing stiffness than with conventional restrictor systems
Rolling element : ball
Configuration : radial, axial
Material : steel
Other characteristics : high-precision, combined
Applications : for CNC rotary tables
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