Conical roller bearing comprising a filter cage
A roller bearing and cage technology, applied in rolling contact bearings, rotating bearings, bearings, etc., can solve the problems of sealing device wear, rapid wear, affecting bearing performance, etc., to simplify assembly and do not increase the friction couple. Effect
Inactive Publication Date: 2008-01-30
S.N.R.鲁尔门斯公司
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Problems solved by technology
The bearing then runs the risk of rapid wear due to significant radial and axial action
[0009] Furthermore, such openings are unsuitable for the lubrication of tapered roller bearings in which the oblique contact between the rolling elements and the raceways usually causes the lubricating fluid to flow from the lateral edge on the large diameter side of the bearing towards the small diameter side of the bearing. Displacement of the transverse edge on the diameter side
[0010] In addition, the seals in contact with the inner and outer rings create a friction couple that affects the performance of the bearing in terms of relative rotation of the inner and outer rings and can cause wear of the seals
Method used
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[0034] Referring to the drawings, a roller bearing having an axis D is described. The roller bearing comprises a coaxial first ring 1 and a second ring 2 and each ring includes a raceway 3 crossing the axis D.
[0035] However, the description made with reference to this embodiment is directly applicable to a bearing comprising a first ring 1 and a second ring 2, each provided with two raceways 3, while the first ring 1 and the second ring 2 are formed by two Parts are made, each part including a raceway 3.
[0036] In the following description, "axial" or "longitudinal" or "lateral" and "radial" refer to planes parallel and perpendicular to the axis D, respectively. Furthermore, "outer" and "inner" refer respectively to longitudinal planes remote and close to the axis D, or to transverse planes close to or remote from the transverse edges of the bearing.
[0037] The raceways 3 are inclined such that the radial clearance between the raceways 3 and the radial clearance betwe...
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The invention relates to a tapered roller bearing having: a tapered rolling body (4) arranged between an inner ring (1) and an outer ring (2); and a cage having an annular body (5) of annular cross-section and An annular oil deflector (10) for the annular body (5) and extending to each lateral side, each oil deflector (10) comprising an inner radial projection (11) and an outer radial projection (12), The free end of each protrusion (11, 12) is arranged opposite to and spaced from the corresponding ring (1, 2), so that the bearing There are axial and radial gaps (13) in between which allow the passage of bearing lubricating fluid and form a barrier for the passage of solid particles. The invention also relates to a cage fitted in the roller bearing.
Description
technical field [0001] The invention relates to a roller bearing and a cage for mounting in the roller bearing. [0002] More specifically, the present invention relates to tapered roller bearings (ie, bearings having an inner ring and an outer ring including inclined raceways with tapered rolling elements disposed therebetween). Background technique [0003] More specifically, the bearing is suitable for the rotation of the wheel relative to the vehicle frame due to its ability to withstand high axial and radial forces. [0004] One problem with this type of bearing is lubrication and protection against external contamination by solid particles, such as dust. [0005] Known roller bearings are such, in which a cage is installed between the inner and outer rings, which on the one hand has the function of determining the position of the rolling elements relative to each other, and on the other hand has the function of filtering, that is, While acting as a barrier to the pas...
Claims
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IPC IPC(8): F16C33/66
CPCF16C33/4664F16C33/467F16C33/7893F16C19/364F16C33/6674F16C2326/02
Inventor 斯特凡娜·贝卢菲朱利安·贝尔捷山德里内·洛尔纳热萨比娜·德拉福斯热拉尔·梅尔穆克里斯托弗·里莫斯
Owner S.N.R.鲁尔门斯公司