| 摘要 |
A magnetic encoder is disclosed. The disclosed magnetic encoder is included in a wheel bearing for a vehicle in order to measure the revolutions per minute of a wheel, and comprises: an impulse ring which is combined with the outer circumference of an inner race of the wheel bearing; and a rubber magnet which is attached to the impulse ring. The rubber magnet comprises: a sheet-shaped first layer which includes a rubber substance and a first magnet substance; and a sheet-shaped second layer which includes a rubber substance and a second magnet substance. |
