A-AR104122-AI Bearing, Main (.010")One New Aftermarket Replacement Main Bearing (. 010" Oversize) Fits John Deere Tractors, Harvesters, and Construction Equipment This . 010" oversize crankshaft main bearing is used during engine rebuild or crankshaft regrind service on Fits John Deere 6619A, 6619T, 6619AF, 6619TF, 6101AF010, and 6101HF010 diesel engines. It seats in the engine block to support the crankshaft main journals and is a standard engine overhaul replacement when journals