A-WJT10504-AI TIMKEN CONE model-KA121-3 Fits Main Shaft Drive -

Fits Main Shaft Drive - TR85 (BSN 403000)

and LA Series Lawn Tractors

720 Diesel

-Butt and Serrated Split1

A-WJT10504-AI TIMKEN CONE model-KA121-3 Fits Main Shaft Drive -One New Aftermarket Replacement Timken Tapered Roller Bearing Cone 399A This tapered roller bearing cone (inner ring assembly) is a direct replacement for Timken part number 399A. The cone pairs with a compatible cup (outer ring, sold separately) to form a complete single row tapered roller bearing capable of supporting both radial and axial loads. It is typically mounted in opposing pairs on a shaft and is used across a wide range of agricultural,