Wheel Bearing Kit WBKAC3 Fits Allis Chalmers D21 220 210 8A110 247803One New Aftermarket Replacement Wheel Bearing Kit Fits Allis Chalmers Tractors This front wheel bearing kit is a direct replacement Fits Allis Chalmers (AC) tractors, supplying all four bearing components needed to service the front wheel hubs in a single convenient kit. Tapered roller bearings and races handle the heavy loads and harsh conditions these large row crop and four wheel drive tractors encounter in the field. Kit Includes 1 Inner Bearing