CN206918057U

CN206918057U - The new four-row tapered roller bearing of the basket nonstandard width 200 of shape frame

Info

Publication number: CN206918057U
Application number: CN201720768744.7U
Authority: CN
Inventors: 文宇; 刘小辉; 李开明; 张秀萍
Original assignee: CHENGDU KEHUA HEAVY BEARING Co Ltd
Current assignee: CHENGDU KEHUA HEAVY BEARING Co Ltd
Priority date: 2017-06-27
Filing date: 2017-06-27
Publication date: 2018-01-23
Anticipated expiration: 2027-06-27

Abstract

The new four-row tapered roller bearing of the basket nonstandard width 200 of shape frame, has two single-row outer rings, a double-row outer-ring, two biserial inner rings, cone spacer is set between two inner rings, sets two outer ring spacers altogether between outer ring, inside, multiple rollers are set between outer ring, and have basket cage.It is big to solve existing bearing impact load, the problems such as rotating speed is high, bearing life is short, roll change elapsed time is long, provide the appearance and size and structural element value of a kind of model bearing, the design is realized under the conditions of design strength and technique processing request is met, the rolling element diameter of design is maximum, length is most long, the dynamic load rating value highest of bearing, and the mathematic(al) expectation of bearing is most long.Meet requirement of the user to bearing long-life and reduction use cost.Belong to large size bearing.Make support roller and working roll special bearing on steel and nonferrous metallurgy industry rolling mill.

Description

The new four-row tapered roller bearing of the basket nonstandard width 200 of shape frame

(1) technical field：A kind of four-row tapered roller bearing, belong to large size bearing.It is mainly used in steel and nonferrous metallurgy row Make support roller and working roll special bearing on industry rolling mill.Belong to engineering element bearing class (F16C), the rolling class of metal (B21B)。

(2) background technology：

The four-row tapered roller bearing of existing iron and steel metallurgy, nonferrous metallurgy industry rolling mill or working roll dress, because Bearing operating mode inclement condition, rotating speed is high, and the load born is big, and impulsive force is big.Arduously taken time when changing roll.User is reduction Use cost, it is desirable to which bearing possesses the long-life.

(3) content of the invention：The utility model proposes the nonstandard width 200 of basket shape frame new four-row tapered roller bearing, Its purpose is exactly to provide the user long-life four-row tapered roller bearing.Provide a kind of four-row tapered roller bearing of new model Appearance and size and structural element numerical value.

The utility model is used for bearing designation 382040X2-1, and (i.e. 38 be four-row tapered roller bearing, and 20 be dimension series Code name, 40 be that 1/5, X2 of bearing bore diameter is that bearing width is non-standard, and -1 is distinguishes the different several non-parameters of width dimensions Hold).Technical scheme provided by the utility model is a kind of nonstandard new design of this bearing designation.The technical scheme of use is as follows：

The new four-row tapered roller bearing of the basket nonstandard width 200 of shape frame, has two single-row outer rings 1, outside a biserial Circle 6, two biserial inner rings 4 set cone spacer 5 between two biserial inner rings, are set altogether between single-row outer ring and double-row outer-ring outside two Spacer ring 2, multiple rollers 3 are set inside, between outer ring, and supported by basket cage 7；It is characterized in that：A kind of bearing of model bearing Internal diameter d, bearing outside diameter D, bearing outer ring element width T, bearing inner race element width B, bearing roller diameter Dw, roller length L, Each column roller quantity Z and roller half cone angle ψ span are respectively the number range of table 1；

Table 1

To obtain the optimum efficiency of four-row tapered roller bearing, a kind of bearing bore diameter d of model bearing in table 1, outside bearing Footpath D, bearing outer ring element width T, bearing inner race element width B, bearing roller diameter Dw, roller length L, each column roller quantity Z and roller half cone angle ψ value are respectively the numerical value of sequence number 1 in table 2.

Table 2

The utility model beneficial effect：This new four-row tapered roller bearing, " the rolling bearing limit created using company Design method " designs, it is determined that a kind of above-mentioned structural element numerical value of model four-row tapered roller bearing, the design realize Under the conditions of meeting design strength and technique processing request, the rolling element diameter of design is maximum, and length is most long, the specified dynamic load of bearing Charge values highest, the mathematic(al) expectation of bearing is most long, meets the long life requirement of user, reduces the use cost of user.

(4) illustrate

The new four-row tapered roller bearing positive view of the nonstandard width 200 of Fig. 1 basket shape framves.

The shape graph of Fig. 2 rollers 3 (is used for basket cage 7).

(5) embodiment

A kind of new four-row tapered roller bearing of the nonstandard width 200 of basket shape frame of new model.See Fig. 1, Fig. 2.

See Fig. 1, there are two single-row outer rings 1, a double-row outer-ring 6, two biserial inner rings 4, between two biserial inner rings If cone spacer 5, two outer ring spacers 2 are set altogether between single-row outer ring and double-row outer-ring.Here retainer uses basket cage 7.See Fig. 1, bearing appearance and size：Bearing bore diameter d is 200mm, and bearing outside diameter D is 310mm, in bearing outer ring element width T and bearing Coil assembly width B is 200mm.With Ultimate Design of Rolling Bearings method determine four-row tapered roller bearing structural element value be： It is 32.273mm to see Fig. 2, roller diameter Dw, and roller length is that L is 33.6mm, is 23 in circumferential each column roller quantity Z, and Roller semi-cone angle ψ is 1 ° 35 '.

Claims

1. the new four-row tapered roller bearing of the nonstandard width 200 of basket shape frame, there are two single-row outer rings (1), outside a biserial Enclose (6), two biserial inner rings (4), cone spacer (5) is set between two biserial inner rings, is set altogether between single-row outer ring and double-row outer-ring Two outer ring spacers (2), multiple rollers (3) are set inside, between outer ring, and supported by basket cage (7)；It is characterized in that：A kind of type Bearing bore diameter d, bearing outside diameter D, bearing outer ring element width T, bearing inner race element width B, the bearing roller diameter of number bearing Dw, roller length L, each column roller quantity Z and roller half cone angle ψ span are respectively the number range of table 1；

Table 1

2. the new four-row tapered roller bearing of the nonstandard width 200 of basket shape frame as described in claim 1, it is characterized in that：Described one Bearing bore diameter d, bearing outside diameter D, bearing outer ring element width T, bearing inner race element width B, the bearing roller of kind model bearing Diameter Dw, roller length L, each column roller quantity Z and roller half cone angle ψ value are respectively numerical value in table 2；

Table 2