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    • 7. 发明公开
    • A ROLLER BEARING
    • 滚子轴承
    • EP0977952A1
    • 2000-02-09
    • EP98920769.1
    • 1998-04-22
    • Aktiebolaget SKF (publ)
    • KELLSTRÖM, MagnusKULLIN, JonasFOGELSTRÖM, Joacim
    • F16C33/36F16C23/08F16C19/36
    • F16C23/088F16C19/26F16C23/08F16C33/36F16C2240/50
    • A roller bearing with symmetrical barrel shaped rollers comprising an inner race (13), an outer race (14) and rollers (11), each of which rollers have at least one rounded end, and being of the bearing type where rollers and race tracks have longitudinal section profiles with substantially the same radius of curvature, whereby the rollers during normal operating conditions are axially moveable between the race tracks without hindrance from axial confinements at the race tracks for allowing relative misalignment and axial displaceability of the race tracks, wherein the end drop zone has a length (d1) which is lower than 5 % of the length (1a) of the roller, and which commences where the bend of the curvature of the roller in axial direction exceeds the normal curvature of the roller by 0,1°, and where the end drop of the roller is otherwise determined by the following relations, r/1a ≥ 0,35 for η values up to 0,7°, and r/1a is ≥ 0,2 for η values between 0,7° and 1,4°.
    • 一种具有对称的桶形滚子的滚子轴承,该滚子轴承包括内座圈(13),外座圈(14)和滚子(11),每个滚子具有至少一个圆形端部,并且是滚子和跑道 具有基本上相同曲率半径的纵向截面轮廓,由此在正常操作条件下滚子可在滚道之间轴向移动,而不会妨碍滚道上的轴向限制,以允许滚道的相对不对齐和轴向可移动性, (d1)小于辊子长度(1a)的5%,并且其开始于辊子的轴向曲率在轴向方向上的弯曲超过辊子的正常曲率的0.1 °,并且其中辊的端部压降由另外的关系确定,当η值高达0,7°时,r / 1a≥0.35,并且r / 1a在≥0.2时, 7°和1,4°。