Rotary 8210. WHEEL BEARING REPLACES WALKER 5714-5. OPEN CAGE ROLLER BEARING FITS FRONT WHEEL ON 36", 42", 48" AND 54" ZTR MACHINES. BEARINGS ARE 5/8" ID (15.88MM) X 1-3/8" 0D (34.93MM), 2-5/8" LENGTH (66.68MM), BUSHINGS ARE5/8" ID (15.88MM) X 1-3/8" OD (34.93 MM). FI