Official Timken replacement trailer taper roller bearing.High quality bearing designed for high speed trailer use.- Inside diameter: 1.9685"- Width: 1.1024"- Cage Type: Stamped Steel- Number of rollers: 18- Industry standard Part #: JM205149- Use with matching race #: JM205110 (sold separately)- Commonly used on AL-KO heavy duty 10-12K axles.- Inner bearing in AL-KO 1531043, 090814, 09089421, 568215, and 090884 hubs.