Patent ID: 9541126
Date: 2017-01-10
CPC Classifications: F03D,F16C,Y02E

Claim:
1. A large-size rolling bearing comprising: an outer race; an inner race; and a first ball row and a second ball row, wherein the first ball row and the second ball row are respectively arranged in axially mutually spaced relationship in a four-point bearing configuration, wherein associated with the first ball row are two first raceway portions of the inner race and two first raceway portions of the outer race, and associated with the second ball row are two second raceway portions of the inner race and two second raceway portions of the outer race, wherein an inner surface of one of the first raceway portions and one of the second raceway portions of the inner race is larger than an inner surface of another one of the first raceway portions and another one of the second raceway portions, respectively, of the inner race and is equal to an inner surface of a diametrically opposed raceway portion of the outer race.