Patent ID: 7445388

Claim:
A bearing assembly comprising: a stationary outer member having a radially inner surface formed with a plurality of raceways; an inner rotary member formed with raceways each radially opposing one of said raceways formed in said stationary outer member, said stationary outer member having a cylindrical radially outer surface at one end thereof; rolling elements disposed between said radially opposed raceways in a plurality of rows; and a rotational speed detector; wherein said rotational speed detector comprises a pulse generator mounted on said inner rotary member, a sensor holder mounted on said stationary outer member, and a sensor having a sensor head mounted to said stationary outer member by said sensor holder; wherein said sensor holder includes a cylindrical annular ring portion fitted on said cylindrical radially outer surface of said stationary outer member, and a pocket supported by said cylindrical annular ring portion and configured to hold said sensor head; wherein said sensor head is pressed into said pocket of said sensor holder; wherein said pocket of said sensor holder has a clip portion configured to hold said sensor head in position in said pocket such that a center of a backside of said sensor head is pressed against said one end of said stationary outer member; wherein said sensor holder is formed of steel and is provided with cationic electrocoating.