FIELD: mechanics.
SUBSTANCE: invention relates to mechanics, particularly to wheel design. Proposed device comprises housing (13) incorporating at least one rotary element, for example ball (12), partially seating therein. Device bearings comprise a number of ball bearings fitted in roller ways to transmit load of bogie etc. applied to proposed device and ball (12), and to center the latter. Brake with brake pad acts on upper part of ball (12) via screw or spring to resist ball rotation.
EFFECT: multiway motion.
24 cl, 5 dwg
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