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    • 2. 发明授权
    • Radial roller bearing assembly, in particular for a needle bush
    • 径向滚子轴承组件,特别适用于针筒
    • US09133881B2
    • 2015-09-15
    • US14237653
    • 2012-05-07
    • Heinz SchaefersJohannes Enders
    • Heinz SchaefersJohannes Enders
    • F16C33/78F02M25/07F02D9/10F16C19/46
    • F16C33/7853F02D9/106F02M26/70F02M26/74F16C19/463F16C19/466F16C33/7809F16C2360/22F16C2361/91Y02T10/121
    • A radial roller bearing assembly, in particular for a needle bush (1), which substantially comprises a thin-walled outer ring (4), which can be inserted into a bore (2) or a housing (3), having two ribs (5, 6) directed radially inward, and a needle cage assembly (7) that is held in the outer ring (4) by said ribs (5, 6). According to the invention, the needle cage assembly (7) is formed by a needle cage (8) and a plurality of bearing needles (9) guided therein in the circumferential direction at regular distances, which roll on the inner shell surface (10) of the outer ring (4) and on the outer shell surface (11) of a shaft (12) to be borne or a separate inner ring. Furthermore, at least two seals (15, 16) are arranged axially next to the side surfaces (13, 14) of the needle cage (8) which protect the needle bush (1) from contamination from the outside and from the loss of lubricant. According to the invention, at least one of the seals (15 or 16) is formed as a multi-lip seal, made of an elastomer, consisting of a single ring, which extends over the part of the inner shell surface (10) of the outer ring (4) arranged between the related rib (5 or 6) of the outer ring (4) and the adjacent side surface (13 or 14) of the needle cage (8) and over the inner shell surface (17), the face (18) and the outer shell surface (19) of the rib (5 or 6).
    • 径向滚子轴承组件,特别是用于针衬套(1),其基本上包括薄壁外圈(4),其可以插入到孔(2)或壳体(3)中,具有两个肋( 5,6)和通过所述肋(5,6)保持在所述外圈(4)中的针笼组件(7)。 根据本发明,针笼组件(7)由滚针保持架(8)和多个轴承针(9)沿圆周方向以规则的距离在其内部被引导,滚动在内壳表面(10)上, 的外环(4)和轴(12)的外壳表面(11)承载或分开的内环。 此外,至少两个密封件(15,16)轴向地布置在针保持器(8)的侧表面(13,14)上,其保护针衬套(1)免受外部的污染和润滑剂的损失 。 根据本发明,至少一个密封件(15或16)形成为由弹性体制成的多唇形密封件,该弹性体由单个环组成,该单个环在内壳表面(10)的一部分上延伸 所述外环(4)布置在所述外环(4)的相关肋(5或6)与所述针笼(8)的相邻侧表面(13或14)之间并且在所述内壳表面(17)上方, 肋(5或6)的表面(18)和外壳表面(19)。
    • 9. 发明申请
    • RADIAL ROLLER BEARING ASSEMBLY, IN PARTICULAR FOR A NEEDLE BUSH
    • 径向滚子轴承组件,特别适用于针布
    • US20140177992A1
    • 2014-06-26
    • US14237653
    • 2012-05-07
    • Heinz SchaefersJohannes Enders
    • Heinz SchaefersJohannes Enders
    • F16C33/78F16C19/46
    • F16C33/7853F02D9/106F02M26/70F02M26/74F16C19/463F16C19/466F16C33/7809F16C2360/22F16C2361/91Y02T10/121
    • A radial roller bearing assembly, in particular for a needle bush (1), which substantially comprises a thin-walled outer ring (4), which can be inserted into a bore (2) or a housing (3), having two ribs (5, 6) directed radially inward, and a needle cage assembly (7) that is held in the outer ring (4) by said ribs (5, 6). According to the invention, the needle cage assembly (7) is formed by a needle cage (8) and a plurality of bearing needles (9) guided therein in the circumferential direction at regular distances, which roll on the inner shell surface (10) of the outer ring (4) and on the outer shell surface (11) of a shaft (12) to be borne or a separate inner ring. Furthermore, at least two seals (15, 16) are arranged axially next to the side surfaces (13, 14) of the needle cage (8) which protect the needle bush (1) from contamination from the outside and from the loss of lubricant. According to the invention, at least one of the seals (15 or 16) is formed as a multi-lip seal, made of an elastomer, consisting of a single ring, which extends over the part of the inner shell surface (10) of the outer ring (4) arranged between the related rib (5 or 6) of the outer ring (4) and the adjacent side surface (13 or 14) of the needle cage (8) and over the inner shell surface (17), the face (18) and the outer shell surface (19) of the rib (5 or 6).
    • 径向滚子轴承组件,特别是用于针衬套(1),其基本上包括薄壁外圈(4),其可以插入到孔(2)或壳体(3)中,具有两个肋( 5,6)和通过所述肋(5,6)保持在所述外圈(4)中的针笼组件(7)。 根据本发明,针笼组件(7)由滚针保持架(8)和多个轴承针(9)沿圆周方向以规则的距离在其内部被引导,滚动在内壳表面(10)上, 的外环(4)和轴(12)的外壳表面(11)承载或分开的内环。 此外,至少两个密封件(15,16)轴向地布置在针保持器(8)的侧表面(13,14)上,其保护针衬套(1)免受外部的污染和润滑剂的损失 。 根据本发明,至少一个密封件(15或16)形成为由弹性体制成的多唇形密封件,该弹性体由单个环组成,该单个环在内壳表面(10)的一部分上延伸 所述外环(4)布置在所述外环(4)的相关肋(5或6)与所述针笼(8)的相邻侧表面(13或14)之间并且在所述内壳表面(17)上方, 肋(5或6)的表面(18)和外壳表面(19)。