Patent ID: 8950943
Filing Date: 2015-02-10
Classification: F16C

Abstract:
1. A roller bearing, comprising an outer race, an inner race and a plurality of rollers, said outer race and said inner race each defining a respective rolling channel, each said rolling channel comprising two raceway faces abutted at right angles, said rollers being accommodated in the rolling channel of said outer race and the rolling channel of said inner race and rotatably kept in contact with the raceway face of said outer race and the raceway face of said inner race, said outer race and said inner race being fastened together and rotatable relative to each other, which is characterized in that: the rolling channel of said outer race and the rolling channel of said inner race define therein a respective groove, the groove of said outer race being disposed between and curved inward from the two raceway faces of said outer race, the ratio between the width of each said raceway face and the diameter of each said roller is ≧0.45 and ≦0.62.