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Self-aligning roller bearings, a professional production base for three types of bearings - Zhejiang Xinchang Sanyuan Bearing****Xinchang County Sanyuan Bearing **** is an enterprise specializing in the production of double-row spherical rollers, single-row spherical roller bearings and thrust spherical roller bearings
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The clearance of the spherical roller bearing is determined according to the inner diameter size of the bearing, and the measurement standards of major manufacturers are the same, such as the standard clearance of 22328ca and 22228ca is the same as 14-17
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Spherical roller bearings are called three types of bearings in China. Spherical roller bearings are a type of radial bearings, which can bear radial loads and can also bear bidirectional bearing loads. The spherical roller bearing has a large radial bearing capacity, and has the function of self-alignment, which has low requirements for the machining accuracy of the casing, avoids the installation error or shaft deflection and affects the use of the bearing, and has large vibration and impact resistance.
Spherical roller bearings have two rows of rollers that are mainly subjected to radial loads, but also axial loads in either direction. It has a high radial load capacity, which is especially suitable for working under heavy loads or vibration loads, but cannot withstand pure axial loads. The raceway of the outer ring of this type of bearing is spherical, so its self-alignment performance is good, and it can compensate for the coaxiality error.
The structural type of double-row spherical roller bearings has developed rapidly, from the initial use of asymmetrical spherical rollers to the later use of symmetrical spherical rollers. The symmetrical spherical roller bearing changes the situation that the flange force in the inner ring is larger, so that the roller force is concentrated at the maximum diameter of the roller, reduces the thickness of the middle retaining ring, increases the length of the roller accordingly, improves the bearing capacity, and is called the reinforced structure, and adds the letter "C" or "CA" after the bearing code"。
CC, CA spherical roller bearings belong to special bearings, because the energy consumption of such bearings is relatively low, rigidity and toughness are more advantageous, CA, CC spherical roller bearings can be used in high-speed machinery, such as high rigidity and low friction precision work, and at the same time have ultra-high bearing capacity, so it is loved by the majority of users.
Like spherical ball bearings, spherical roller bearings also have self-alignment, but due to the large contact surface between the rollers and the raceway surface, their load capacity greatly exceeds that of self-aligning ball bearings. Because the spherical roller bearing also has a large frictional resistance in rotation, the ultimate speed of this type of bearing is lower than that of the ball bearing, but it is different from the linear contact between the roller and the raceway in the tapered roller bearing, and the ultimate speed is higher than that of the tapered roller bearing.
Spherical roller bearings are divided into symmetrical thrust spherical roller bearings and asymmetrical thrust spherical roller bearings.
The axial load capacity of this type of bearing is very large, and it can bear several radial loads while bearing axial loads, but the radial loads shall not exceed 55% of the axial loads.
Oil lubrication is generally used when using.
Thrust tapered roller bearings can only bear unidirectional axial loads, which can limit the unidirectional axial displacement of the bearing, so they can be used for unidirectional axial positioning. Compared with thrust cylindrical roller bearings, the load capacity is large, the relative slip is small, but the limit speed is lower.
Description and model use of Class 3 bearings (spherical roller shafts).
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Hello, dear, I am glad to answer for you Pro, No, Oh Self-aligning roller bearing is an important mechanical part, which is composed of an inner ring, an outer ring, a rolling element (roller) and a cage. The role of the rollers inside the shaft is to bear and transfer the load, so the number of rollers is crucial for the normal operation of the bearing. If a roller is missing from a spherical roller bearing, the load distribution of the bearing will be uneven, the contact pressure between the rolling elements will increase, and the operation of the bearing will become unstable.
In addition, the lack of a roller can lead to a shorter bearing life and damage to the bearing. Therefore, in general, if the spherical rounding hall bearing is missing a roller, it is not recommended to continue to use. The correct thing to do is to replace the rollers in time to ensure the normal operation and service life of the bearing.
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Spherical roller bearings are bearings equipped with drum-shaped spherical rollers between the inner ring with two raceways and the outer ring with spherical raceways. The center of curvature of the raceway surface of the outer ring is the same as the center of the bearing, so it has the same self-aligning function as the self-aligning ball bearing. When the shaft and housing are deflected, it can be automatically adjusted without increasing the burden on the bearing.
Spherical roller bearings can withstand radial loads as well as axial loads in both directions. The radial load capacity is large, and it is suitable for heavy loads and shock loads. The inner diameter of the inner ring is a bearing with a taper bore and can be mounted directly.
Or use an adapter sleeve or a dismounting cylinder to install it on a cylindrical shaft. The cage is made of steel plate stamping cage, polyamide forming cage and copper alloy turned cage.
Spherical roller bearings can withstand large radial loads, but also can withstand certain axial loads. The raceway of the outer ring of this type of bearing is spherical, so it has self-aligning performance, and the bearing can still work when the shaft is bent or tilted so that the centerline of the inner ring and the centerline of the outer ring are tilted by no more than 1°.
Spherical roller bearings are suitable for bearing heavy loads and impact loads, and are widely used in metallurgy, rolling mills, mining, petroleum, papermaking, cement, sugar extraction and other industries.
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Since the arc center of the outer ring raceway is the same as the center of the bearing, it has self-aligning performance, so the shaft misalignment caused by deflection or misalignment of the shaft or housing can be automatically adjusted.
It can withstand radial and bidirectional axial loads. In particular, the radial load capacity is large, and it is suitable for bearing heavy loads and shock loads.
Main uses: papermaking machinery, reducer device, railway vehicle axle, rolling mill gearbox seat, rolling mill roller table, crusher, vibrating screen, printing machinery, woodworking machinery, various industrial reducers, vertical self-aligning bearings with seats.
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Spherical roller bearings: cleverly designed bearings with double row rollers.
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Spherical roller bearings: cleverly designed bearings with double row rollers.
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Spherical roller bearings are divided into: cylindrical bore and conical bore.
The tapered bore has a 1:12 rear K spherical roller bearing (153000 or 113000) and a 1:30 K30 spherical roller bearing.
When mated to a tapered shaft, the inner ring moves axially to adjust the radial clearance of the bearing.
Product name: Cylindrical roller bearings.
Model: NU2236, NJ1040, etc. >>>More
Cylindrical roller bearings Luoyang Longma Bearing **** There are many types of cylindrical roller bearings, which are distinguished by structure, including N, NF, NJ, NU, NUP, NCL, RN and RNU types. In terms of load capacity, there are ordinary and reinforced cylindrical roller bearings. The dimensions of the reinforced cylindrical roller bearing are the same as those of the ordinary type, but the diameter, length and number of rollers have increased, so the load bearing capacity has increased. >>>More
I don't know if you're talking about cylindrical roller bearings or spherical roller bearings, there is a difference between these two bearings, can you name the specific model. Did you say that the rollers fell out of the bearing? Of course, whether it is a cylindrical roller bearing or a spherical roller bearing, if it is found that the roller falls out of the bearing, this is sometimes encountered, of course, this is also caused by the unreasonable design and production of the bearing itself, and the roller falling out is generally related to the following aspects (taking the spherical roller bearing as an example, assuming that the bearing roller size is correct): >>>More
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