Patent ID: 7377695

Claim:
An x-ray target assembly comprising: a center hub element affixed to a drive shaft; an outer shaft housing element; a forward bearing assembly positioned between said outer shaft housing element and said drive shaft, said forward bearing assembly comprising: a forward fixed outer race positioned adjacent said outer shaft housing element, said forward fixed outer race comprising a single forward race element; a forward dual inner race comprising a first forward inner race element and a second forward inner race element; and a plurality of forward ball elements positioned between said forward fixed outer race and said forward dual inner race; a rear bearing assembly positioned between said outer shaft housing element and said drive shaft, said rear bearing assembly comprising: a rear floating outer race positioned adjacent said outer shaft housing element, said rear floating outer race comprising a single rear race element; a rear dual inner race comprising a first rear inner race element and a second rear inner race element; and a plurality of rear ball elements positioned between said rear floating outer race and said rear dual inner race; and a target element mounted to said center hub element.