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Roller bearing with information sensor

Image Number 2 for United States Patent #6655844.

The invention concerns a roller bearing including an outer ring, an inner ring, at least a row of rolling elements arranged between two raceways of the outer and inner rings, a seal between the outer and inner rings, and a data sensor assembly comprising a non-rotatable sensor unit borne by one of the rings and a rotatable encoding element borne by the other ring. An seal is provided on the side of the data sensor assembly to isolate the assembly from the inside of the roller bearing by co-operation with the rotating ring in a zone axially located between the encoder active part and the rolling elements.

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