| 摘要 |
The bearing is an angular contact ball bearing with two asymmetric rows of balls, with a one-piece outer race and an inner race having two matched inner half-races side by side and able to be axially preloaded against each other when the bearing is mounted on the shaft of a gear the set of teeth of which cantilevers out from the bearing which has its row of larger-diameter balls on the same side as the set of teeth. Preloading may be provided by a nut screwed onto the shaft and tightened up against one of the inner half-races until the latter bears against the other inner half-race. A lock nut may hold the nut in position. The gear with its set of teeth and its shaft, the bearing with its large-diameter balls on the same side as the set of teeth, and the preloading device constitute a modular assembly, premounted and preloaded prior to fixing to a housing using a flange belonging to the outer race. |
