Spherical Ball Bearing with Collar. Bearing Width.709″. Bearing Type: Greaseable. Bore Type: Round. Compatible with Case IH Combine(s) 1640, 1644, 1660, 1666, 1680, 1682, 1688, 2144, 2166, 2188, 2344, 2366, 2377, 2388, 2577 (s/n HAJ0300001-later), 2588 (s/n HAJ0300001-later), 5088, 6088, 7088.