Tapered roller bearing with race for Ford piston hydraulic pumps (with threaded end on the wobble shaft not splines).
Ford tractors: 2000 3-cylinder, 3000, 4000 3-cylinder, 4000SU, 2600, 3600, 4600, 4600SU, 2310, 2610, 2810, 2910, 3610, 3910, 4610SU, 231, 335, 531, 340, 540, 3400, 3500, 445, 4500, 340, 340A, 340B, 445, 445A, 531, 542, 540, 540A
Made in USA.