| 摘要 |
This synthetic resin ball bearing comprises an outer race, an inner race and a number of balls disposed between the race. The out race to receive external load thereon, is conposed of a pair of interfitting cup-shaped members. Each cup-shaped member has an opening in the center of the floor portion, and the first of the members is seized to snugly fit in the second members. The inner race has an annular shape to be positioned to extend through the respective openings in the first and second members to define an annular chamber in cooperation with the first member and the floor wall of the second member. An annular projection extends from the inner race into the chamber to define a pair of ball receiving stations. |
