"This pair of Ultra-Tow high-performance 1in., L44643 bearings are premium replacement parts that deliver unparalleled quality and dependability. Bearing race not included. Bearing Size ID in. 1, Fits Spindle Size Dia. in. 1, Bearings Included qty. 2, Works With 1 and 1 1/16 bearing race L44610. 1in., L44643 bearings are premium replacement parts Bearing races not included"