"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, Bearings Included qty. 2, Fits Spindle Size Dia. in. 1, Works With 1 and 1 1/16 bearing race L44610. 1in., L44643 bearings are premium replacement parts Bearing races not included"