Patent ID: 7618195
Filing Date: 2009-11-17
Classification: F16C

Abstract:
1. A bearing unit, comprising: a roller bearing having an inner race, bearing rollers, and an outer race; a first permanent seal extending from the inner race to the outer race on a first side of the bearing rollers so as to define a first permanently closed space between the inner race, the outer race, first ends of the bearing rollers, and the first permanent seal; a second permanent seal extending from the inner race to the outer race on a second side of the bearing rollers so as to define a second permanently closed space between the inner race, the outer race, second ends of the bearing rollers, and the second permanent seal; a quantity of bearing grease sealed within the first permanently closed space; and a quantity of bearing grease sealed within the second permanently closed space; wherein the bearing unit constitutes a permanently sealed, unitary or integrated, pre-assembled, stand-alone unit that is configured to facilitate eventual incorporation into a wheel assembly to support a wheel hub on a wheel axle.