Patent ID: 6918596

Claim:
A seal with integrated sealing and rotation measuring capabilities to be installed on a wheel support bearing assembly including a non-rotational bearing element and a rotational bearing element capable of rotating relative to the non-rotational bearing element, comprising: a first slinger having an L-shaped cross section including a first cylindrical portion extending axially and a first flanged portion extending radially from said first cylindrical portion; a seal ring arranged axially inward of said first slinger and to be secured to the non-rotational bearing element, said seal ring including an elastic seal lip having a tip making sliding contact with a surface of said first slinger facing said seal ring; a second slinger arranged axially inward of said seal ring, said second slinger having an L-shaped cross section including a second cylindrical portion extending axially and a second flanged portion extending radially from said second cylindrical portion, said second cylindrical portion to be secured to the rotational bearing element, said first cylindrical portion of said first slinger being secured to said second cylindrical portion of said second slinger; and an encoder operable to generate pulses, said encoder being arranged on said second flanged portion of said second slinger; and a sensor facing said encoder and operable to respond to the pulses generated by said encoder.