CN202493585U

CN202493585U - Bearing for baler

Info

Publication number: CN202493585U
Application number: CN2012200249171U
Authority: CN
Inventors: 孙旭东; 张振武; 郭宏军
Original assignee: WUXI WALD BEARING CO Ltd
Current assignee: WUXI WALD BEARING CO Ltd
Priority date: 2012-01-19
Filing date: 2012-01-19
Publication date: 2012-10-17
Anticipated expiration: 2022-01-19

Abstract

The utility model relates to a bearing for a baler. The bearing for the baler comprises an outer ring, an inner ring and a retainer ring, wherein one end of the inner ring is provided with a shaft shoulder, the inner ring is arranged inside the outer ring, and the retainer ring is arranged on the other end of the inner ring corresponding to the shaft shoulder. The bearing for the baler is characterized in that the bearing for the baler further comprises anti-dust covers, short rollers and long rollers, a groove is respectively arranged on outer surfaces of the shaft shoulder and the retainer ring, the anti-dust covers are respectively arranged in the grooves, and the short rollers and the long rollers are arranged between the inner ring and the outer ring. According to the arrangement of rows of the short rollers and the long rollers, in a row, two short rollers are close to each other tightly and are arranged in the middle and two long rollers are arranged on both sides of the short rollers; in another row which is next to the row, two long rollers are close to each other tightly and are arranged in the middle and two short rollers are arranged on both sides of the long rollers; and each row is in staggered arrangement. A plurality of grease oil holes are arranged on an inner wall of the inner ring. The bearing for the baler has the advantages of being capable of effectively eliminating damage caused by impact load and uneven load, being capable of effectively eliminating uneven abrasion of a raceway, and prolonging service lives of seal and the bearing.

Description

Packer is used bearing

Technical field

The utility model relates to a kind of bearing, relates in particular to a kind of packer and uses bearing.

Background technique

Present packer comprises outer ring, inner ring, back-up ring and roller with bearing; Wherein the end at inner ring is provided with the shaft shoulder, and inner ring is installed in the outer ring, and back-up ring is installed in the other end of the inner ring corresponding with the shaft shoulder, and roller is installed between outer ring and the inner ring, transversely arranged two of roller; When receiving impulsive load and uneven load, be prone to produce harm thus, roller is prone to produce uneven wear simultaneously, makes that the working life of bearing and reliability are not high.

Summary of the invention

To above-mentioned shortcoming, the purpose of the utility model is to provide a kind of packer to use bearing; It can effectively eliminate the harm that impulsive load and uneven load are brought, and can effectively eliminate the raceway uneven wear, and the life-span of improving sealing and bearing, limits and reliability thereby can improve baering life.

The technology contents of the utility model is: packer is used bearing, comprises outer ring, inner ring and back-up ring; End at inner ring is provided with the shaft shoulder, and inner ring is installed in the outer ring, and back-up ring is installed in the other end of the inner ring corresponding with the shaft shoulder; It is characterized in that it also comprises dust cover, short roller and long roller; Outer surface at the shaft shoulder and back-up ring respectively is provided with a groove, in groove, is provided with a dust cover; Short roller and long roller are installed between outer ring and the inner ring, and the short roller of every row with the mode that long roller is arranged does, one to arrange be that two short rollers are close to and are contained in middlely, and two grain length rollers are contained in two short roller both sides; An adjacent row be two grain length rollers be close to be contained in the middle of the time, two short rollers are contained in two grain length roller both sides, every row installation that is staggered; On the inwall of inner ring, have several grease holes.

The advantage that the utility model is compared with prior art had is: can effectively eliminate the harm that impulsive load and uneven load are brought; Effectively eliminated the raceway uneven wear; Bearing working life and reliability have been improved.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Embodiment

Further narrate the utility model below in conjunction with embodiment and accompanying drawing thereof.

As shown in Figure 1, packer is used bearing, comprises outer ring 1, inner ring 2 and back-up ring 3; End at inner ring 2 is provided with the shaft shoulder 2.1, and inner ring 2 is installed in the outer ring 1, and back-up ring 3 is installed in the other end of the inner ring 2 corresponding with the shaft shoulder 2.1; It is characterized in that it also comprises dust cover 4, short roller 5 and long roller 6; Outer surface at the shaft shoulder 2.1 and back-up ring 3 respectively is provided with a groove 7, in groove 7, is provided with a dust cover 4; Short roller 5 and long roller 6 are installed between outer ring 1 and the inner ring 2; The short roller 5 of every row with the mode that long roller 6 is arranged does; One row be two short rollers 5 be close to be contained in the middle of, two grain length rollers 6 are contained in two short roller 5 both sides, adjacent one to arrange be that two grain length rollers 6 are close to when being contained in the centre; Two short rollers 5 are contained in two grain length rollers, 6 both sides, every row installation that is staggered; On the inwall of inner ring 2, have several grease holes 2.2.

Claims

1. packer is used bearing, comprises outer ring (1), inner ring (2) and back-up ring (3); End at inner ring (2) is provided with the shaft shoulder (2.1), and inner ring (2) is installed in the outer ring (1), and back-up ring (3) is installed in the other end of the inner ring (2) corresponding with the shaft shoulder (2.1); It is characterized in that it also comprises dust cover (4), short roller (5) and long roller (6); Outer surface at the shaft shoulder (2.1) and back-up ring (3) respectively is provided with a groove (7), in groove (7), is provided with a dust cover (4); Short roller (5) is installed between outer ring (1) and the inner ring (2) with long roller (6), and the mode of short roller (5) of every row and long roller (6) arrangement does, one to arrange be that two short rollers (5) are close to and are contained in middlely, and two grain length rollers (6) are contained in two short rollers (5) both sides; An adjacent row be two grain length rollers (6) be close to be contained in the middle of the time, two short rollers (5) are contained in two grain length roller (6) both sides, every row installation that is staggered; On the inwall of inner ring (2), have several grease holes (2.2).