CN202883720U - Self-aligning roller bearing - Google Patents

Abstract

The utility model relates to a self-aligning roller bearing which comprises an outer ring, an inner ring and rollers; the bearing adopts a wide outer ring and a narrow inner ring; the wide outer ring adopts a spherical raceway, and the narrow inner ring adopts double spherical raceways; and the rollers are uniformly separated through the bearing retainer and rotate in the spherical raceway of the wide outer ring. Compared with the prior art, the bearing outer ring is wider than the inner ring; a self-aligning angle of the bearing is larger than that of the conventional self-aligning roller bearing, so that the bearing is able to favorably satisfy requirements and performance of the equipment host; spherical rollers of the bearing are longer than the conventional bearing roller, so that the bearing has stronger loading ability; the spherical rollers of the bearing are uniformly separated by two polyamide reinforced nylon retainers; and the bearing is applied to a gearbox of a roller of a cement mixer, with stable and reliable rotation, great self-aligning angle and strong loading ability.

Description

A self-aligning roller bearing

technical field

The utility model relates to a bearing, in particular to a self-aligning roller bearing.

Background technique

At present, the bearings used in the cement mixer truck reducer industry are used in harsh environments with large alignment angles, high loads, and harsh environments. Ordinary self-aligning roller bearings are usually used. This kind of bearing has a small self-aligning angle and low service life. At the same time, the shaft requires high precision and needs to be replaced once a year. This undoubtedly increases the cost of the enterprise, and the replacement is more troublesome and reduces the work. efficiency.

Utility model content

The purpose of this utility model is to provide a self-aligning roller bearing with better performance and wider application range in order to overcome the above-mentioned defects in the prior art.

The purpose of this utility model can be achieved through the following technical solutions:

A self-aligning roller bearing, including an outer ring, an inner ring and rollers, the bearing adopts a structure of a wide outer ring and a narrow inner ring, the wide outer ring adopts a spherical raceway, and the narrow inner ring adopts a double The spherical raceway, the rollers are evenly separated by the bearing cage and run in the spherical raceway of the wide outer ring, guiding the bearing to run smoothly.

The retainer is a polyamide reinforced nylon retainer.

The rollers are spherical self-aligning elongated rollers.

The self-aligning angle of the bearing is 3°42', and the nominal contact angle of the bearing is 14°46'.

Larger than conventional spherical roller bearings.

Compared with the prior art, the utility model has the following advantages:

1. The width of the outer ring is widened, the self-aligning angle of the bearing is increased, and at the same time, the error of the machining accuracy of the shaft is reduced, which plays a good role in compensating the error of the bearing during the installation process, reaching the advanced level at home and abroad;

2. The self-aligning roller bearing is adopted, and the self-aligning roller is enlarged and lengthened to withstand the maximum radial load, which is very suitable for the heavy load requirements of the cement mixer industry;

3. The self-aligning angle of the bearing is larger than that of the conventional self-aligning roller bearing, so that the bearing can better meet the requirements and performance of the equipment host;

4. The polyamide reinforced nylon cage is used to separate the self-aligning rollers of the bearing well, reduce friction, reduce noise, guide the self-aligning rollers to run well in the bearing, and be durable.

Description of drawings

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

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example

A self-aligning roller bearing, the structure of which is shown in Figure 1, including an outer ring 1, an inner ring 2, a roller 3 and a cage 4, the bearing adopts a structure of a wide outer ring and a narrow inner ring, and the outer ring 1 adopts Spherical raceway, inner ring 2 adopts double-row spherical raceway, roller 3 is spherical self-aligning and elongated roller, cage 4 is polyamide reinforced nylon cage. The rollers 3 are evenly separated by the cage 4 and run in the spherical raceway of the outer ring 1, thereby guiding the bearing to run smoothly. The self-aligning angle of the bearing is 3°42', and the nominal contact angle of the bearing is 14°46'.

Due to the wider width of the outer ring 1 of the bearing, the self-aligning angle of the bearing is increased, and at the same time, the machining accuracy error due to the shaft is reduced, which plays a good role in compensating the error during the installation of the bearing. In addition, the inner ring 2 adopts Double-row spherical raceway, and the self-aligning roller 3 is enlarged and lengthened, which can withstand the maximum radial load. The self-aligning angle of the bearing is larger than that of the conventional self-aligning roller bearing, so that the bearing can better meet the equipment host requirements and performance. The polyamide reinforced nylon cage used can well separate the spherical rollers of the bearing, reduce friction, reduce noise, and guide the spherical rollers to run well in the bearing.

Claims (4)

1. A self-aligning roller bearing, comprising an outer ring, an inner ring and rollers, characterized in that the bearing adopts a structure of a wide outer ring and a narrow inner ring, the wide outer ring adopts a spherical raceway, and the The narrow inner ring adopts double spherical raceways, and the rollers are evenly separated by the bearing cage and run in the spherical raceways of the wide outer ring. 2. A spherical roller bearing according to claim 1, characterized in that the cage is a polyamide-reinforced nylon cage. 3. A self-aligning roller bearing according to claim 1, characterized in that said rollers are spherical self-aligning elongated rollers. 4. A self-aligning roller bearing according to claim 1, wherein the self-aligning angle of the bearing is 3°42', and the nominal contact angle of the bearing is 14°46'.

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