Patent ID: 8177438
Filing Date: 2012-05-15
Classification: F16C

Abstract:
1. A double row thrust roller bearing comprising: a pair of inner and outer cages arranged radially in two rows in separate coaxial relation and interposed between a pair of races, each cage including an annular inner peripheral wall, an annular outer peripheral wall, a plurality of pillar portions interconnecting said annular inner and outer peripheral walls at intervals in a circumferential direction of said annular inner and outer peripheral walls, and a plurality of pockets each formed between the adjacent pillar portions, wherein rollers are rotatably held and retained respectively in said pockets, wherein said annular inner peripheral wall of said inner cage is guided by an annular flange formed at an inner peripheral edge of one of said races, and wherein said annular inner peripheral wall of said outer cage is guided by said annular outer peripheral wall of said inner cage.