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    • 3. 发明公开
    • CYLINDRICAL ROLLER BEARING
    • ZYLINDERFÖRMIGESKUGELLAGER
    • EP2913547A4
    • 2016-02-10
    • EP13849482
    • 2013-10-21
    • NTN TOYO BEARING CO LTD
    • TERADA JUNICHIMAEDA TAKESHI
    • F16C19/26F16C33/46F16C33/60F16C43/06
    • F16C33/585F16C19/225F16C19/26F16C33/4605F16C33/586F16C33/605F16C43/06F16C2226/12F16C2226/60F16C2226/62F16C2360/31
    • A cylindrical roller bearing is provided which is large in load capacity while maintaining sufficient strength of the retainer, and which can be easily assembled and can be easily mounted in position. The bearing includes a flanged outer race (1) having two inwardly extending flanges (3a and 3b), of which at least one of the flanges is a flange ring (3b) which is separate from the outer race (1) and fixed to the outer race (1). Cylindrical rollers (21) are mounted between the outer race (1) and a flangeless inner race (11), and retained by a retainer (31) which are located radially inwardly of the pitch circle (PC) of the cylindrical rollers (21). With this arrangement, it is not necessary to reduce the widths of pillars (33) of the retainer even if the load capacity is increased by increasing the size or the number of the cylindrical rollers (21), so that it is possible to increase the load capacity while ensuring strength of the retainer. Also, even if the inner race (11) is separated from the bearing, it is possible to prevent separation of the cylindrical rollers (21) as well as the retainer (31), which retains the cylindrical rollers (21), from the outer race (1).
    • 提供一种圆柱滚子轴承,其具有大的承载能力,同时保持保持器的足够的强度,并且其可以容易地组装并且可以容易地安装就位。 轴承包括具有两个向内延伸的凸缘(3a和3b)的带凸缘的外座圈(1),其中至少一个凸缘是与外圈(1)分离并固定到凸缘的凸缘环(3b) 外赛(1)。 圆柱滚子(21)安装在外座圈(1)和无法兰内圈(11)之间,并由位于圆柱滚子(21)的节圆(PC)的径向内侧的保持器(31)保持, 。 通过这种布置,即使通过增加圆柱滚子(21)的尺寸或数量来增加负载能力,也不需要减小保持器的支柱(33)的宽度,从而可以增加 承载能力同时确保保持器的强度。 此外,即使内圈(11)与轴承分离,也可以防止圆柱滚子(21)与保持圆柱滚子(21)的保持架(31)从外侧分离 种族(1)。
    • 6. 发明公开
    • DOUBLE-ROW ROLLING BEARING
    • ZWEIREIHIGESWÄLZLAGER
    • EP2916018A4
    • 2016-07-27
    • EP13850667
    • 2013-10-08
    • NTN TOYO BEARING CO LTD
    • KANAMOTO TAKAHIROINOUE WAKANA
    • F16C33/60F16C19/18F16C25/06F16C33/78
    • F16C33/605A61B6/035F16C19/08F16C19/184F16C25/06F16C33/60F16C33/785F16C43/04F16C2226/60F16C2226/62F16C2300/14F16C2316/10
    • Provided is a double-row rolling bearing (1), including: an outer member (2) having two raceway surfaces (6, 6) on an inner circumference thereof; an inner member (3) having two raceway surfaces (7, 7) on an outer circumference thereof, the inner member (3) being arranged on an inner side of the outer member (2); two rows of rolling elements (4, 4) assembled into a space between each of the two raceway surfaces (6, 6) of the outer member (2) and each of the two raceway surfaces (7, 7) of the inner member (3); and a retainer (5) for retaining the rolling elements (4), any one of the outer member (2) and the inner member (3) including a pair of raceway rings (3a, 3b), both the pair of raceway rings (3a, 3b) being fastened with a fixing bolt (16), the pair of raceway rings (3a, 3b) having positioning holes (13a, 13b) into which a positioning member (14, 14') is fit-inserted, to thereby suppress misalignment in a radial direction of the pair of raceway rings (3a, 3b).
    • 本发明提供一种双列滚动轴承(1),包括:在其内周上具有两个滚道表面(6,6)的外部构件(2); 内部构件(3),其外周具有两个滚道面(7,7),内部构件(3)布置在外部构件(2)的内侧; 组合在外部构件(2)的两个轨道表面(6,6)中的每一个之间的空间和内部构件的两个轨道表面(7,7)中的每一个的两排滚动元件(4,4) 3); 以及用于保持滚动体(4)的保持器(5),外部构件(2)和内部构件(3)中的任一个包括一对滚道环(3a,3b),两对滚道环 3a,3b)用固定螺栓(16)固定,所述一对滚道环(3a,3b)具有定位孔(13a,13b),定位构件(14,14')插入其中,从而 抑制一对轨道环(3a,3b)的径向不对准。