PROBLEM TO BE SOLVED: To provide a taper roller bearing which secures stable lubrication at the time of rotation start, in particular, a lower temperature start.SOLUTION: A taper roller bearing 1 has an inner ring 20 fixed to a rotary shaft 36, an outer ring 10, and a plurality of taper rollers 3 arranged between raceway surfaces 11, 21 of the inner ring 20 and the outer ring 10. The raceway surface 11 of the outer ring 10 has a diameter which becomes smaller toward one axial side. A groove 43 is formed in a non-raceway surface part at the one axial side of an inner peripheral surface of the outer ring 10.SELECTED DRAWING: Figure 2
【課題】回転起動時、特に低温起動時においても安定した潤滑を確保できる円錐ころ軸受を提供する。【解決手段】円錐ころ軸受1は、回転軸36に固定される内輪20と、外輪10と、内輪20及び外輪10の軌道面11、21の間に配置された複数の円錐ころ3と、を有する。外輪10の軌道面11は、軸方向一方側に向かうに従って小径となっている。外輪10の内周面のうち軸方向一方側の非軌道面部には、溝43が形成される。【選択図】図2
TAPER ROLLER BEARING
円錐ころ軸受
2017-02-02
Patent
Electronic Resource
Japanese
Engineering Index Backfile | 1929
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