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NTN bearing Location: Product > NTN bearing
Self-aligning roller bearing 

Self-aligning roller bearing 

Belonging column:NTN bearing

Email:admin@tytsbearings.com

Contact address:CN,Shandong,Jinan,Room 1501, Building A, Block C-1, Greenland Central Plaza

Whatsapp: +8618063525008


Spherical roller bearings have two rows of rollers, which mainly bear radial loads and can also withstand axial loads in either direction. Has high radial load capacity, especially suitable for working under heavy loads or vibration loads, but cannot withstand pure axial loads. The outer raceway of this type of bearing is spherical, so its centering performance is good and can compensate for coaxiality errors.
There are two rows of symmetrical spherical rollers, with a shared spherical raceway on the outer ring and two raceways on the inner ring that are inclined at an angle to the bearing axis. They have good self-aligning performance and can still be used normally when the shaft is bent or installed in a non concentric manner. The self-aligning performance varies depending on the bearing size series, and the generally allowed self-aligning angle is 1-2.5 degrees. This type of bearing has a large load capacity and can withstand axial loads acting in both directions in addition to radial loads, with good impact resistance. Generally speaking, self-aligning roller bearings allow lower working speeds.
Spherical roller bearings are divided into two different structures based on the cross-sectional shape of the rollers: symmetrical spherical rollers and asymmetrical spherical rollers. Asymmetric spherical roller bearings are early products mainly used for engine maintenance services. When designing new engines, symmetrical spherical roller bearings are rarely used. The internal structure has been comprehensively improved and optimized, and compared with early produced spherical roller bearings, it can withstand larger axial loads. This type of bearing has a lower operating temperature, so it can adapt to higher speed requirements. According to the presence or absence of a stop edge in the inner ring and the use of different retainers, it can be divided into two types: C-type and CA type. The characteristic of C-type bearings is that the inner ring has no stop edge and uses steel plate stamping retainers, while the characteristic of CA type Terren bearings is that the inner ring has no stop edge and uses steel plate stamping retainers. Both sides of the inner ring have blocking edges and are equipped with solid car retaining frames.



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