278927A1 Thrust Ball Bearing For Case IH

278927A1 is a Jackshaft Thrust Bearing (or Rotor Drive Thrust Ball Bearing) primarily used in Case IH and New Holland combine harvesters.

Inside Diameter (ID): 2.75 in (69.85 mm)

Outside Diameter (OD): 4.481 in (113.82 mm)

Thickness / Width (W): 0.88 in (22.35 mm)

Cross-Reference: 194654C91, A4206, A-278927A1

This thrust bearing is typically located within the rotor drive sheave assembly of the threshing system, where it supports the rotor jackshaft. It fits a wide range of Case IH Axial-Flow combine series:

Legacy / Older Series: 1420, 1440, 1460, 1470, 1480, 1620, 1640, 1660, 1680, 1688

Mid-to-Later Generations: 2144, 2166, 2188, 2344, 2366, 2377, 2388, 2577, 2588

Modern Series: 5088, 5130, 5140, 6130, 7130, and others

278927A1 Thrust Ball Bearing For Case IH

278927A1 Thrust Ball Bearing