1、Vehicle Fitment: Trailer wheel hub bearing kit is suitable for 1 1/4in 3/4in Axles Trailer Wheel Hub, ensuring easy installation and precise fit for better performance. 2、Kit Included: 2 X LM11949 LM11910 bearing (ID 0.7500in x OD 1.7810in); 2 X LM67048 LM67010 bearing (ID 1.2500in x OD 2.3280in); 2 X Oil Seal (ID 1.524in x OD 2.3652in). 3、Superior Material: Crafted using premium chrome steel bearings, the trailer wheel hub bearing kit ensures wear resistant, allowing the bearings to function in harsh conditions while offering extended usage life. 4、Excellent Support: Bearing kits provide excellent support for the spindle, reduce the coefficient of hub friction, reduce the drag between the tractor and the trailer, and increase the efficiency of the vehicle. 5、Increased Efficiency: The trailer wheel hub bearing kit promotes smoother and more efficient vehicle operation by reducing friction and resistance. This results in an improved driving experience and enhanced performance.