| 摘要 |
Bearing unit having an axis of rotation (A) and provided with a stationary ring and a rotatable ring, these rings being coaxial with each other and axially delimited on one side (L) by respective axial surfaces which are transverse to the axis (A); a magnetic encoder fixed to an outer cylindrical surface of the inner ring; and a protective cover mounted on the outer ring to protect the encoder and to close off a space formed between the two rings, the axial surface of the outer ring and the protective cover jointly delimiting a compartment for housing said encoder, which is positioned substantially outside the space and extends radially from the outer cylindrical surface to a boundary in the proximity of an outer cylindrical surface of the outer ring.
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