John Deere AA28184: Single Row Spherical Ball Bearing

Dura-Flex bearings feature a 3 + 1 seal design, to keep the bearing free from debris ingression. The three long flexible seals require contradicting qualities,toughness for long wear, yet resiliency for constantspring-like action to seal against the inner race. - The three lips shield the bearings, therebykeeping dirt out while allowing old grease to be purged from the heart of the bearing by freshgrease.- Available as a single bearing (AA28184), or as a part of a kit (AA30941), which contains the bearing, flanges, gasket and associated hardware