A bearing is provided comprising an elongated body including an outer
surface and an inner bore. The body includes a front face and a rear
face. The front face has at least one circumferential groove and the rear
face has at least one circumferential groove. The inner bore and the
front face groove define a first wall having a thickness. The front face
groove and the rear face groove define a second wall having a thickness.
The rear face groove and the outer surface define a third wall having a
thickness. The first wall, second wall, and third wall form a pair of
crenulations therebetween wherein the first wall thickness is greater
than the second wall thickness.