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Roller bearing forming assembly for assembling non-driving wheel of motor vehicle, has orifice formed in cover and blocked by membrane, where membrane is arranged such that magnetic impulses are detected by sensitive element
Roller bearing forming assembly for assembling non-driving wheel of motor vehicle, has orifice formed in cover and blocked by membrane, where membrane is arranged such that magnetic impulses are detected by sensitive element
The assembly has a rolling body (4) arranged in a rolling space between a rotating internal unit (3) and a fixed external unit (1) to permit relative rotation of the units. A cover (10) is integrated with the external unit for covering the rolling space. An orifice (11) formed in the cover is blocked by a connected breathable membrane (20) made of polymer. The membrane is associated to the cover by being interposed between a sensitive element and a coder (6) generating magnetic impulses. The membrane is arranged such that the impulses are detected by the sensitive element via the membrane.
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