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公开(公告)号：US20170363146A1
公开(公告)日：2017-12-21
申请号：US15692028
申请日：2017-08-31
申请人： NSK LTD.
CPC分类号： F16C33/4605 , F16C19/364 , F16C33/4635 , F16C33/4676 , F16C33/583 , F16C33/585 , F16C33/586 , F16C33/6614 , F16C33/6651 , F16C43/065 , F16C2240/30 , F16C2240/34 , F16C2240/70 , F16C2361/61
摘要： A tapered roller bearing (1) is includes an outer ring (2) having an outer ring raceway surface (2a) on the inner peripheral surface thereof, an inner ring (3) having an inner ring raceway surface (3a) on the outer peripheral surface thereof, and a plurality of tapered rollers (4) arranged in a rollable manner between the outer ring raceway surface (2a) and the inner ring raceway surface (3a). A large flange (3b) is formed on an end portion of the inner ring (3) on a large-diameter side of the inner ring, and the inner ring raceway surface (3a) continuously extends to the end face (3c) of the inner ring (3) on a small-diameter side of the inner ring. The contact angle (α) is 37°30′ to 50°. In this manner, the tapered roller bearing having high moment rigidity and long life can be provided.
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公开(公告)号：US20170204906A1
公开(公告)日：2017-07-20
申请号：US15446245
申请日：2017-03-01
申请人： NSK LTD.
CPC分类号： F16C33/4605 , F16C19/364 , F16C33/4635 , F16C33/4676 , F16C33/583 , F16C33/585 , F16C33/586 , F16C33/6614 , F16C33/6651 , F16C43/065 , F16C2240/30 , F16C2240/34 , F16C2240/70 , F16C2361/61
摘要： A tapered roller bearing (1) is includes an outer ring (2) having an outer ring raceway surface (2a) on the inner peripheral surface thereof, an inner ring (3) having an inner ring raceway surface (3a) on the outer peripheral surface thereof, and a plurality of tapered rollers (4) arranged in a rollable manner between the outer ring raceway surface (2a) and the inner ring raceway surface (3a). A large flange (3b) is formed on an end portion of the inner ring (3) on a large-diameter side of the inner ring, and the inner ring raceway surface (3a) continuously extends to the end face (3c) of the inner ring (3) on a small-diameter side of the inner ring. The contact angle (α) is 35° to 55°. In this manner, the tapered roller bearing having high moment rigidity and long life can be provided.
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3.发明申请公开(公告)号：US20170227052A1
公开(公告)日：2017-08-10
申请号：US15499289
申请日：2017-04-27
申请人： NSK LTD.
发明人： Makoto KOGANEI , Hiroshi SAKAMOTO , Daisuke TOMINAGA , Shunichi KIYONO , Mamoru AOKI , Tatsuya MINAMIYAMA , Masayoshi NAKAMURA , Kiyoshi YAMAMOTO
CPC分类号： F16C33/4635 , F16C19/364 , F16C33/4605 , F16C33/4676 , F16C33/585 , F16C33/6614 , F16C33/6651 , F16C43/06 , F16C43/065 , F16C2208/20 , F16C2220/04 , F16C2240/34 , F16C2240/70 , F16C2300/02 , F16C2361/61
摘要： Provided is a resin cage for a tapered roller bearing in which a mold parting line which is extended in an axial direction is formed in a pillar portion defining a pocket. On facing surfaces of adjacent pillar portions, on an outer diameter side from the mold parting line, a first conical surface which slides in contact with an outer peripheral surface of a tapered roller is formed, and a first flat surface in a radial direction is formed in a portion on the outer diameter side from the first conical surface. On an inner diameter side from the mold parting line, a second conical surface which slides in contact with the outer peripheral surface of the tapered roller is formed, and a second flat surface in a radial direction is formed in a portion on the inner diameter side from the second conical surface
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公开(公告)号：US20150323008A1
公开(公告)日：2015-11-12
申请号：US14652267
申请日：2012-12-25
申请人： NSK LTD.
CPC分类号： F16C33/585 , F16C19/364 , F16C19/548 , F16C33/4605 , F16C33/4635 , F16C33/4676 , F16C33/583 , F16C33/586 , F16C2240/30 , F16C2240/34 , F16C2240/40 , F16C2240/70 , F16C2361/61
摘要： A tapered roller bearing (1) is includes an outer ring (2) having an outer ring raceway surface (2a) on the inner peripheral surface thereof, an inner ring (3) having an inner ring raceway surface (3a) on the outer peripheral surface thereof, and a plurality of tapered rollers (4) arranged in a rollable manner between the outer ring raceway surface (2a) and the inner ring raceway surface (3a). A large flange (3b) is formed on an end portion of the inner ring (3) on a large-diameter side of the inner ring, and the inner ring raceway surface (3a) continuously extends to the end face (3c) of the inner ring (3) on a small-diameter side of the inner ring. The contact angle (α) is 35° to 55°. In this manner, the tapered roller bearing having high moment rigidity and long life can be provided.
摘要翻译： 圆锥滚子轴承（1）包括在其内周面上具有外圈滚道面（2a）的外圈（2），在外周面上具有内圈滚道面（3a）的内圈（3） 表面，以及在外圈滚道表面（2a）和内圈滚道表面（3a）之间可滚动地布置的多个圆锥滚子（4）。 在内圈的大直径侧的内圈（3）的端部形成有大的凸缘（3b），内圈轨道面（3a）连续地延伸到内圈 内圈（3）在内圈的小直径侧。 接触角（α）为35°〜55°。 以这种方式，可以提供具有高刚性刚度和长寿命的圆锥滚子轴承。
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5.发明申请RESIN CAGE FOR TAPERED ROLLER BEARING AND TAPERED ROLLER BEARING INCLUDING THE RESIN CAGE 审中-公开圆锥滚子轴承和圆锥滚子轴承，包括树脂笼公开(公告)号：US20160040716A1
公开(公告)日：2016-02-11
申请号：US14781804
申请日：2014-04-04
申请人： NSK LTD.
发明人： Makoto KOGANEI , Hiroshi SAKAMOTO , Daisuke TOMINAGA , Shunichi KIYONO , Mamoru AOKI , Tatsuya MINAMIYAMA , Masayoshi NAKAMURA , Kiyoshi YAMAMOTO
CPC分类号： F16C33/4635 , F16C19/364 , F16C33/4605 , F16C33/4676 , F16C33/585 , F16C33/6614 , F16C33/6651 , F16C43/06 , F16C43/065 , F16C2208/20 , F16C2220/04 , F16C2240/34 , F16C2240/70 , F16C2300/02 , F16C2361/61
摘要： Provided is a resin cage for a tapered roller bearing in which a mold parting line which is extended in an axial direction is formed in a pillar portion defining a pocket. On facing surfaces of adjacent pillar portions, on an outer diameter side from the mold parting line, a first conical surface which slides in contact with an outer peripheral surface of a tapered roller is formed, and a first flat surface in a radial direction is formed in a portion on the outer diameter side from the conical surface. On an inner diameter side from the mold parting line, a second conical surface which slides in contact with the outer peripheral surface of the tapered roller is formed, and a second flat surface in a radial direction is formed in a portion on the inner diameter side from the second conical surface.
摘要翻译： 本发明提供一种圆锥滚子轴承用树脂保持架，其特征在于，在形成凹部的支柱部形成有沿轴向延伸的模具分型线。 在相邻的柱部的相对的表面上，在与模具分型线的外径一侧形成有与圆锥滚子的外周面滑动接触的第一圆锥面，形成径向的第一平坦面 在锥形表面的外径侧的一部分。 在模具分型线的内径侧形成有与圆锥滚子的外周面滑动接触的第二圆锥面，在内径侧的部分形成有径向的第二平坦面 从第二个锥形表面。
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