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1. 发明公开

EP2833010A4 RETAINER AND BALL BEARING 有权
标题翻译：架和球轴承
公开(公告)号：EP2833010A4
公开(公告)日：2016-01-06
申请号：EP13767531
申请日：2013-03-25
申请人： NTN TOYO BEARING CO LTD
发明人： UENO TAKASHI
IPC分类号： F16C33/38 , F16C19/06 , F16C33/42 , F16C33/66
CPC分类号： F16C33/3887 , F16C19/06 , F16C33/3875 , F16C33/427 , F16C33/6651 , F16C2208/52 , F16C2208/60 , F16C2220/04 , F16C2240/44 , F16C2326/06
摘要： Provided are a retainer capable of imparting a torque reduction effect even at low cost and a ball bearing (deep-groove ball bearing) having the retainer assembled thereto. The retainer includes two annular retaining plates (27A, 28B) combined with each other, the two annular retaining plates each having semispherical bulging portions (26) arranged at predetermined intervals along a circumferential direction of the retainer, the semispherical bulging portions (26, 26) of the two annular retaining plates, which face each other, forming a pocket (30) having a ring-like shape, for retaining a ball (16). The pocket (30) includes a ball non-contact portion (32) formed in a ball facing surface of the pocket (30) at a center portion in a pocket axial direction, the ball non-contact portion (32) being defined by a recess (34) extending in a pocket circumferential direction. The following relationship is set: A/(B+C)=0.70 to 0.90, where "A" represents a pocket circumferential length of the ball non-contact portion (32), "B" represents a diameter of the ball, and "C" represents a gap formed between the ball (16) and the ball facing surface of the pocket (30).

2. 发明公开

EP2182231A4 TAPERED ROLLER BEARING 有权
公开(公告)号：EP2182231A4
公开(公告)日：2012-01-11
申请号：EP08791905
申请日：2008-07-30
申请人： NTN TOYO BEARING CO LTD
发明人： UENO TAKASHI
IPC分类号： F16C33/54 , F16C19/36 , F16C33/46 , F16C33/56 , F16C33/58
CPC分类号： F16C33/4605 , F16C19/364 , F16C33/4635 , F16C33/543 , F16C33/583

3. 发明公开

EP2789705A4 MACHINE PART, ROLLING BEARING, CONICAL ROLLER BEARING AND METHOD FOR MANUFACTURING MACHINE PART 有权
标题翻译：机器零件，轴承，轴承和一种用于生产机器零件
公开(公告)号：EP2789705A4
公开(公告)日：2016-03-16
申请号：EP12856064
申请日：2012-12-04
申请人： NTN TOYO BEARING CO LTD
发明人： SATO DAISUKE , OHKI CHIKARA , UENO TAKASHI , KUSUMI YASUTAKA
IPC分类号： C21D9/40 , C21D1/06 , C22C38/00 , C22C38/18 , C22C38/44 , F16C19/36 , F16C19/38 , F16C19/54 , F16C33/32 , F16C33/34 , F16C33/58 , F16C33/62 , F16C33/64 , F16C33/66
CPC分类号： C23C8/32 , C21D9/40 , C21D2211/001 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/18 , C23C8/26 , C23C8/80 , F16C19/06 , F16C19/364 , F16C33/32 , F16C33/34 , F16C33/366 , F16C33/585 , F16C33/62 , F16C33/64 , F16C2204/66 , F16C2240/50 , F16C2240/54 , F16C2240/90 , F16C2361/61
摘要： An outer ring (11), an inner ring (12) and a ball (13) serving as machine parts are each constituted of steel containing at least 0.60 mass % and not more than 1.50 mass % of carbon, at least 0.15 mass % and not more than 2.50 mass % of silicon, at least 0.30 mass % and not more than 1.50 mass % of manganese, and at least 0.20 mass % and not more than 2.00 mass % of chromium with the rest consisting of an impurity. A nitrogen concentration in surface layer portions (11B, 12B, 13B) under an outer ring rolling contact surface (11A), an inner ring rolling contact surface (12A) and a ball rolling surface (13A), each serving as a contact surface to be in contact with another part, is at least 0.3 mass %. An average quantity of residual austenite as a whole in each of the outer ring (11), the inner ring (12) and the ball (13) is not more than 20 volume %.

4. 发明公开

EP3009698A4 TAPERED ROLLER BEARING 有权
标题翻译： KEGELROLLENLAGER
公开(公告)号：EP3009698A4
公开(公告)日：2017-10-04
申请号：EP14810885
申请日：2014-06-05
申请人： NTN TOYO BEARING CO LTD
发明人： UENO TAKASHI
IPC分类号： F16C33/62 , C21D9/36 , C21D9/40 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/18 , C22C38/34 , C22C38/40 , C22C38/44 , C23C8/32 , F16C19/34 , F16C19/36 , F16C33/48
CPC分类号： F16C33/62 , C21D9/36 , C21D9/40 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/18 , C22C38/34 , C22C38/40 , C22C38/44 , C23C8/32 , F16C19/364 , F16C19/547 , F16C2204/64 , F16C2204/66 , F16C2204/74
摘要： A tapered roller bearing (1A) includes an outer ring (11), an inner ring (12), a plurality of tapered rollers (13), and a holder (20). The outer ring (11), the inner ring (12) and the tapered roller (13) each are made of steel containing 0.6 mass% or more and 1.50 mass% or less of carbon, 0.15 mass% or more and 2.50 mass% or less of silicon, 0.30 mass% or more and 1.50 mass% or less of manganese, and 0.20 mass% or more and 2.00 mass% or less of chromium, with the rest made up of impurities. A nitrogen concentration in a surface layer portion under a contact surface is 0.3 mass% or more. The holder (20) includes a small annular portion, a large annular portion, and a plurality of column portions. A pocket has a trapezoidal shape in which a portion housing a small diameter side of the tapered roller (13) is located on a reduced width side while a portion housing a large diameter side of the tapered roller (13) is located on an increased width side. Each of the column portions on the reduced width side of the pocket is provided with a cutout.
摘要翻译：圆锥滚子轴承（1A）包括外圈（11），内圈（12），多个圆锥滚子（13）和保持架（20）。外圈（11），内圈（12）和圆锥滚子（13）分别由含有0.6质量％以上且1.50质量％以下的碳，0.15质量％以上且2.50质量％以下的钢少量的硅，0.30质量％以上且1.50质量％以下的锰，以及0.20质量％以上且2.00质量％以下的铬，剩余部分由杂质构成。接触面下的表层部的氮浓度为0.3质量％以上。保持器（20）包括小环形部分，大环形部分和多个柱形部分。容纳锥形辊（13）的小直径侧的部分位于宽度减小侧，而容纳锥形辊（13）的大直径侧的部分位于增加的宽度位置侧。在口袋的宽度减小侧上的每个柱部分设置有切口。

5. 发明公开

EP2559906A4 RETAINER FOR TAPERED ROLLER BEARING, METHOD FOR MANUFACTURING RETAINER, AND TAPERED ROLLER BEARING 审中-公开
标题翻译：手柄，用于锥形球轴承，其制造方法座和锥形球轴承
公开(公告)号：EP2559906A4
公开(公告)日：2014-04-16
申请号：EP11768699
申请日：2011-03-23
申请人： NTN TOYO BEARING CO LTD
发明人： UENO TAKASHI
IPC分类号： F16C33/46 , F16C19/36 , F16C33/58
CPC分类号： F16C33/4605 , F16C19/364 , F16C19/386 , F16C33/4635 , F16C2208/52 , F16C2220/04 , F16C2240/30

6. 发明公开

EP2221493A4 TAPERED ROLLER BEARING 有权
标题翻译： KEGELROLLENLAGER
公开(公告)号：EP2221493A4
公开(公告)日：2012-01-11
申请号：EP08850203
申请日：2008-11-07
申请人： NTN TOYO BEARING CO LTD
发明人： KANBORI YASUHIRO , UENO TAKASHI
IPC分类号： F16C33/46 , B60B35/18 , F16C19/36 , F16C33/66
CPC分类号： B60B35/18 , F16C19/364 , F16C19/386 , F16C33/4605 , F16C33/4635 , F16C33/4676 , F16C2220/04 , F16C2240/30 , F16C2240/34 , F16C2240/40 , F16C2240/80 , F16C2240/84 , F16C2361/61
摘要： A tapered roller bearing of the type having a protrusion on the retainer that is axially brought into engagement with the flange of the inner race is provided, wherein no stress concentration occurs on the flange of the inner race, which guide the tapered rollers and which is small and has a large load bearing capacity. The inner race 2 has a flange 6 for guiding the tapered rollers 4 only at the large-diameter end of the raceway 2a. The retainer 5 has on the large-diameter side thereof a protrusion 7 radially inwardly extending and axially engaging the flange 6 of the inner race 2. The flange 6 of the inner race 2 is formed with a circumferentially continuous cutout groove 6a having a smoothly curved concave surface through which the radially outer surface and the outer end surface of the flange 6 are connected to each other, and the protrusion 7 of the retainer 5 has its inner side at its radially inner end portion in engagement with the cutout groove 6a, thereby making it possible to reduce the size of the tapered roller bearing and increasing its load bearing capacity, while preventing stress concentration on the flange 6 of the inner race 2 for guiding the tapered rollers 4.
摘要翻译：在保持器上具有与内圈的凸缘轴向接合的突起的类型的圆锥滚子轴承被提供，其中在引导圆锥滚子的内圈的凸缘上不产生应力集中，体积小，承载能力大。内圈2具有用于仅在滚道2a的大直径端处引导圆锥滚子4的凸缘6。保持器5在其大直径侧上具有径向向内延伸并且轴向接合内圈2的凸缘6的突起7.内圈2的凸缘6形成有周向连续的切口槽6a，其具有平滑弯曲该凸缘6的径向外侧面和外侧端面通过该凹面相互连接，保持器5的突起7的内侧的端部与切口槽6a卡合，能够抑制圆锥滚子轴承的大小并提高其承载能力，同时防止用于引导圆锥滚子4的内圈2的凸缘6上的应力集中。

7. 发明公开

EP2789704A4 BEARING COMPONENTS, ROLLING BEARING, AND METHODS FOR PRODUCING SAME 审中-实审
标题翻译：库存零件用于生产轴承及方法
公开(公告)号：EP2789704A4
公开(公告)日：2016-05-11
申请号：EP12855776
申请日：2012-12-07
申请人： NTN TOYO BEARING CO LTD
发明人： UENO TAKASHI , OHKI CHIKARA , SATO DAISUKE , KAGEYAMA KYOUHEI , SHIMIZU SHOUGO
IPC分类号： F16C33/32 , C21D9/36 , C21D9/40 , C22C38/18 , C23C8/32 , F16C19/06 , F16C33/38 , F16C33/42 , F16C33/58 , F16C33/62 , F16C33/64 , F16C33/78
CPC分类号： C21D9/36 , C21D1/06 , C21D1/18 , C21D9/40 , C21D2211/001 , C21D2211/008 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/18 , C23C8/32 , C23C8/80 , F16C19/06 , F16C19/30 , F16C33/32 , F16C33/3875 , F16C33/3887 , F16C33/427 , F16C33/585 , F16C33/62 , F16C33/64 , F16C33/7823 , F16C33/7843 , F16C33/7893 , F16C33/805 , F16C43/04 , F16C43/065 , F16C2202/04 , F16C2204/66 , F16C2208/36 , F16C2208/52 , F16C2208/60 , F16C2220/04 , F16C2223/16 , F16C2226/74 , F16C2240/06 , F16C2240/40 , F16C2240/94 , F16C2361/65
摘要： An outer ring (11), an inner ring (12), and a ball (13), each of which is a bearing part, are made of a quench-hardened steel containing not less than 0.90 mass % and not more than 1.05 mass % of carbon, not less than 0.15 mass % and not more than 0.35 mass % of silicon, not less than 0.01 mass % and not more than 0.50 mass % of manganese, and not less than 1.30 mass % and not more than 1.65 mass % of chromium with the rest consisting of an impurity. A contact surface (11A, 12A, 13A) thereof with another part has a nitrogen concentration of not less than 0.25 mass %. A remaining austenite amount in the contact surface is not less than 6 volume % and not more than 12 volume %.

8. 发明公开

EP2447557A4 SYNTHETIC RESIN HOLDER FOR DEEP GROOVE BALL BEARINGS, DEEP GROOVE BALL BEARING, AND GEAR SUPPORTING DEVICE 审中-公开
标题翻译：合成树脂保持器FOR球轴承，球轴承及GETRIEBEABSTÜTZVORRICHTUNG
公开(公告)号：EP2447557A4
公开(公告)日：2013-11-06
申请号：EP10792025
申请日：2010-06-18
申请人： NTN TOYO BEARING CO LTD
发明人： UENO TAKASHI
IPC分类号： F16C33/58 , F16C19/06 , F16C19/16 , F16C19/36 , F16C33/32 , F16C33/38 , F16C33/41 , F16C33/44 , F16H48/08
CPC分类号： F16C19/163 , F16C19/06 , F16C33/3875 , F16C33/3887 , F16C33/58 , F16C33/585 , F16C33/6681 , F16C2208/52 , F16C2208/60 , F16C2226/74 , F16C2240/40 , F16C2240/70 , F16C2361/61 , F16H2048/405 , Y10T74/19953
摘要： A retainer made of a synthetic resin for use in a deep groove ball bearing is proposed of which the lubricity has been improved. The retainer includes a cylindrical first split retainer member (41) having a first axial side, and a cylindrical second split retainer member (42) having a second axial side coupled to the first axial side of the first split retainer member (41). Circumferentially spaced apart first and second cutouts (45 and 50) are formed in the first axial side of the first split retainer member (41) and the second axial side of the second split retainer member (42), respectively, which define respective pockets for receiving balls with the split retainers (41 and 42) coupled together. A coupling arrangement (X) is provided between the first and second split retainer members (41 and 42) which is adapted to engage the split retainer members (41 and 42) when the split retainer members (41 and 42) are coupled together, thereby keeping the split retainer members (41 and 42) axially inseparable from each other. With the retainer mounted in a deep groove ball bearing, when the outer race (11) and the inner race (21) rotate relative to each other, since the first and second split retainer members (41 and 42) rotate at different peripheral speeds due to a difference in diameter therebetween, pumping action is produced in the bearing, which causes a forced flow of lubricating oil in the bearing.

9. 发明公开

EP2189670A4 TAPERED ROLLER BEARING 有权
标题翻译： KEGELROLLENLAGER
公开(公告)号：EP2189670A4
公开(公告)日：2011-11-23
申请号：EP08831855
申请日：2008-09-01
申请人： NTN TOYO BEARING CO LTD
发明人： MATSUSHITA TOMOKI , KANBORI YASUHIRO , UENO TAKASHI
IPC分类号： F16C19/38 , F16C33/34 , F16C33/36 , F16C33/46 , F16C33/58 , F16H57/021 , F16H57/04
CPC分类号： F16H3/08 , F16C19/386 , F16C33/4635 , F16C33/4676 , F16C33/581 , F16C2240/00 , F16C2240/30 , F16C2240/34 , F16C2240/40 , F16C2240/84 , F16C2361/61 , F16H57/0031
摘要： A tapered roller bearing includes an outer ring 23, an inner ring 22, a tapered roller 24 interposed between the outer ring 23 and the inner ring 22, and a cage 25 holding the tapered roller 24. The tapered roller bearing is used in an idler portion of an automobile transmission that switches between an idle state in which the outer ring 23 rotates freely in relation to the inner ring 22 and a shift state in which the outer ring 23 rotates synchronously with the inner ring 22. The tapered roller bearing includes a fretting suppressing means configured by a ratio of dynamic load rating Cr to static load rating Cor being set to Cor/Cr‰¥1.4.
摘要翻译：圆锥滚子轴承包括外圈23，内圈22，介于外圈23和内圈22之间的圆锥滚子24以及保持圆锥滚子24的保持架25.圆锥滚子轴承用于惰轮在外圈23相对于内圈22自由旋转的空转状态和外圈23与内圈22同步旋转的变速状态之间切换的汽车变速器的一部分。圆锥滚子轴承包括微动抑制装置由动负荷Cr与静负荷Cor之比设定为Cor /Cr≥1.4。

10. 发明公开

EP2175151A4 TAPER ROLLER BEARING 有权
公开(公告)号：EP2175151A4
公开(公告)日：2011-09-21
申请号：EP08765016
申请日：2008-06-03
申请人： NTN TOYO BEARING CO LTD
发明人： UENO TAKASHI
IPC分类号： F16C33/46 , F16C19/38
CPC分类号： F16C19/386 , F16C19/225 , F16C33/4605 , F16C33/4635 , F16C33/543 , F16C2240/84

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