CN101769311A - Four-row cylindrical roller bearing for high-speed rolling mill - Google Patents

Four-row cylindrical roller bearing for high-speed rolling mill Download PDF

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Publication number
CN101769311A
CN101769311A CN200810230259A CN200810230259A CN101769311A CN 101769311 A CN101769311 A CN 101769311A CN 200810230259 A CN200810230259 A CN 200810230259A CN 200810230259 A CN200810230259 A CN 200810230259A CN 101769311 A CN101769311 A CN 101769311A
Authority
CN
China
Prior art keywords
outer ring
along
bearing
oil
rollers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200810230259A
Other languages
Chinese (zh)
Inventor
王元波
许传辽
林秋尧
郑国清
王静
安国栋
王得伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WANFANGDIAN YINGYONG BEARING PRODUCTION CO Ltd
Original Assignee
WANFANGDIAN YINGYONG BEARING PRODUCTION CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WANFANGDIAN YINGYONG BEARING PRODUCTION CO Ltd filed Critical WANFANGDIAN YINGYONG BEARING PRODUCTION CO Ltd
Priority to CN200810230259A priority Critical patent/CN101769311A/en
Publication of CN101769311A publication Critical patent/CN101769311A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a four-row cylindrical roller bearing for a high-speed rolling mill, comprising two pairs of symmetrical split-type inner rings (1) and outer rings (2) as well as cylindrical rollers (3) arranged between the inner rings (1) and the outer rings (2); wherein the cylindrical rollers are limited in a retainer (6); an outer ring spacer (4) and an inner ring spacer (5) are arranged between the inner rings (1) and the outer rings (2); a circular-arc oil groove is radially arranged on end surfaces at two sides of the inner rings and the outer rings; an annular oil groove is arranged at the middle part of an external cylindrical surface of each outer ring around the cylindrical surface, and oil through holes which are arranged along the radial direction of the bearing are evenly distributed in the annular groove along the circumference direction; besides, through holes are evenly distributed at the middle part of the retainer (6) along the circumference direction; oil holes are evenly distributed at the middle part of an external cylindrical surface of the outer ring spacer (4); and the oil holes are communicated with a space between two rows of rollers at two sides and the inner ring spacer (5). The bearing aims at enhancing the lubricating property of the bearing so as to bear larger radial load.

Description

Four-row cylindrical roller bearing for high-speed rolling mill
Technical field
The present invention relates to a kind of four-line column roller bearing.
Background technique
Four-line column roller bearing is widely used in various milling trains at present, and four-row cylindrical roller bearing for rolling mill can bear bigger radial load, but the bearing rotating speed is limited, can not satisfy high mill speed and required precision.
Summary of the invention
The present invention has aimed to provide a kind of four-line column roller bearing that uses on fast mill, be intended to strengthen the greasy property of bearing, so that bear big radial load.
A kind of four-row cylindrical roller bearing for high-speed rolling mill of the present invention comprises the split type inner ring of two pairs of symmetries, split type outer ring, and each two cylindrical roller to being provided with between inner ring and the outer ring, and these two cylindrical rollers are limited in the retainer.Wherein, be provided with outer ring spacer and the cone spacer that is nested with one heart between the two pairs of inner rings and the outer ring; Each inner ring and both sides, outer ring end face have been disposed radially the circular arc oil groove; The middle part of each outer ring external cylindrical surface offers annular oil groove around cylinder, along the circumferential direction is evenly equipped with in circular groove along the oil through of bearing radial direction; Oil through passes to the space between two line column rollers.In addition, each retainer middle part along the circumferential direction is evenly equipped with along the through hole of bearing radial direction; The outer cylinder middle part of outer ring spacer along the circumferential direction is evenly equipped with along the oilhole of bearing radial direction; Oilhole passes to the space between two rows of rollers at two sides and the cone spacer.
Under the optimal way, above-mentioned oil through, through hole and oilhole along the circumferential direction are provided with 6 respectively.The outer diametric plane of retainer also can be designed to a plurality of oilholes, is not only limited to 6, thereby guarantees can access in the bearing operation process lubricated fully.
Bearing of the present invention has following advantage:
1, can to bear bigger radial load, limit speed and precision very high for this bearing, is applicable to the rolling bearing of finishing mill.
2, the lubricating system that adopts of bearing has taken into full account the run up problem of the lubricated and heat radiation that brings of bearing, at inner ring, outer ring, spacer ring, retainer, have many grooves, hole etc.Groove, hole form like this lubricated, heat dissipation channel have just been formed one with the passage on bearing support, the roll and have been lubricated reliably and radiation system, on outer ring and retainer, corresponding Position Design has circular groove and a plurality of lubrication hole between two rollers, make can access in the bearing operation process lubricated fully, thereby improve the limit speed of bearing.
Description of drawings
Fig. 1 be bearing of the present invention partly cut open structural representation; Omit the Lower Half structure of symmetry among the figure.
Among the figure: 1, inner ring; 2, outer ring; 3, roller; 4, outer ring spacer; 5, cone spacer; 6, retainer.
Embodiment
A kind of as shown in Figure 1 four-row cylindrical roller bearing for high-speed rolling mill comprises split type inner ring 1, the split type outer ring 2 of two pairs of symmetries, and each two cylindrical roller 3 to being provided with between inner ring 1 and the outer ring 2; Two cylindrical rollers are limited in the retainer 6.Be provided with outer ring spacer 4 and the cone spacer 5 that is nested with one heart between the two pairs of inner rings 1 and the outer ring 2.Each inner ring and both sides, outer ring end face have been disposed radially the circular arc oil groove; The middle part of each outer ring external cylindrical surface offers annular oil groove around cylinder, along the circumferential direction is evenly equipped with in circular groove along the oil through of bearing radial direction; Oil through passes to the space between two line column rollers.In addition, each retainer 6 middle part along the circumferential direction is evenly equipped with along the through hole of bearing radial direction.The outer cylinder middle part of outer ring spacer 4 along the circumferential direction is evenly equipped with along the oilhole of bearing radial direction; Oilhole passes to the space between two rows of rollers at two sides and the cone spacer 5.
Under the optimal way, above-mentioned oil through, through hole and oilhole along the circumferential direction are provided with 6 respectively.Retainer is outer can be designed to a plurality of oilholes, is not only limited to 6, thereby guarantees can access in the bearing operation process lubricated fully.

Claims (2)

1. a four-row cylindrical roller bearing for high-speed rolling mill comprises the split type inner ring (1) of two pairs of symmetries, split type outer ring (2), and each two cylindrical roller (3) to being provided with between inner ring (1) and outer ring (2); Described two cylindrical rollers are limited in the retainer (6); It is characterized in that,
Be provided with the outer ring spacer (4) and the cone spacer (5) that are nested with one heart between two pairs of inner rings (1) and outer ring (2);
Each described inner ring and both sides, outer ring end face have been disposed radially the circular arc oil groove;
The middle part of each described outer ring external cylindrical surface offers annular oil groove around cylinder, along the circumferential direction is evenly equipped with in circular groove along the oil through of bearing radial direction; Described oil through passes to the space between two line column rollers; In addition,
Each described retainer (6) middle part along the circumferential direction is evenly equipped with along the through hole of bearing radial direction;
The outer cylinder middle part of described outer ring spacer (4) along the circumferential direction is evenly equipped with along the oilhole of bearing radial direction; Described oilhole passes to the space between two rows of rollers at two sides and the cone spacer (5).
2. according to the described four-row cylindrical roller bearing for high-speed rolling mill of claim 1, it is characterized in that described oil through, described through hole and described oilhole along the circumferential direction are provided with 6 respectively.
CN200810230259A 2008-12-26 2008-12-26 Four-row cylindrical roller bearing for high-speed rolling mill Pending CN101769311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810230259A CN101769311A (en) 2008-12-26 2008-12-26 Four-row cylindrical roller bearing for high-speed rolling mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810230259A CN101769311A (en) 2008-12-26 2008-12-26 Four-row cylindrical roller bearing for high-speed rolling mill

Publications (1)

Publication Number Publication Date
CN101769311A true CN101769311A (en) 2010-07-07

Family

ID=42502355

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200810230259A Pending CN101769311A (en) 2008-12-26 2008-12-26 Four-row cylindrical roller bearing for high-speed rolling mill

Country Status (1)

Country Link
CN (1) CN101769311A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106763166A (en) * 2016-12-27 2017-05-31 太原科技大学 A kind of four row cylinders and taper roller combination bearing
CN112268065A (en) * 2020-09-18 2021-01-26 区博扬 Bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106763166A (en) * 2016-12-27 2017-05-31 太原科技大学 A kind of four row cylinders and taper roller combination bearing
CN112268065A (en) * 2020-09-18 2021-01-26 区博扬 Bearing

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PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20100707