Patent ID: 8092310

Claim:
A propshaft assembly comprising: a shaft member; and a universal joint coupled to a first end of the shaft member, the universal joint having a first yoke member, a second yoke member, a spider, a pair of first bearings and a pair of second bearings, each of the first and second yoke members including a pair of arms, each of the arms having an identically sized bearing aperture formed therethrough, the spider including a plurality of trunions, each of the trunions being received in a corresponding one of the bearing apertures, the first bearings being received in the bearing apertures in the arms of the first yoke member, each of the first bearings being disposed between an associated arm of the first yoke and a corresponding one of the trunions to rotatably mount the first yoke member to the spider, each of the second bearings being received in the bearing apertures in the arms of the second yoke member, each of the second bearings being disposed between an associated arm of the second yoke and a corresponding one of the trunions to rotatably mount the second yoke member to the spider; wherein each of the first bearings, each of the second bearings or all of the first and second bearings include a bearing housing, which is received about an associated one of the trunions, a bearing set that is disposed between the associated one of the trunions and the bearing housing, and an insulator that is disposed between the bearing housing and an associated arm, the insulator being formed of a ceramic material.