| 摘要 |
<p>The invention relates to a tapered roller bearing (1), comprising two coaxial bearing rings (2, 3) and a plurality of tapered rollers (4) which are arranged between the bearing rings (2, 3) and guided in a cage (10, 11, 12) and roll off respective raceways (7, 8) on the bearing rings (2, 3), and further comprising a rim (9) at the large diameter of the inner bearing ring (3) for removing axial forces from the tapered rollers (4). At the large diameter, the cage (10, 11, 12) comprises elastic protrusions (13) which interact with the rim (9) and which axially preload the cage (10, 11, 12) with the tapered rollers (4) against the rim (9). According to the invention, the tapered roller bearing is designed such that a guide ring (16, 22) made of a material having a higher thermal expansion coefficient than the material of the rim (9) is arranged on the rim (9) by means of press fit, the elastic protrusions (13) of the cage (10, 11, 12) engage the guide ring (16, 22), and the press fit is dimensioned such that, in the event the press fit loosens due to the bearing heating up during operation, the guide ring (16, 22) becomes axially slidable, and thus the axial preload of the cage (10, 11, 12) with the tapered rollers (4) is cancelled.</p> |
