| 摘要 |
A bottom bracket ball bearing for pedal-driven vehicles, in particular for bicycles is to be simplified in terms of construction and assembly possibilities according to the invention in that the bottom bracket shaft, the roller bearings at both ends, a plastic sheath which is divided in two if appropriate and bearing lid form a premounted, compact constructional unit which can be pressed in its entirety into the bottom bracket ball bearing housing fixed to the frame.
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