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English 
Spherical roller bearings are bearings with drum rollers assembled between an inner ring with two raceways and an outer ring with spherical raceways.
Spherical roller bearings have two types of inner holes: cylindrical and conical, and the taper of the conical taper hole is 1:30 and 1:12. This conical inner hole bearing is equipped with an adapter sleeve or a withdrawal sleeve. The tapered inner hole self-aligning ball bearing can be easily and quickly assembled on the optical shaft or the stepped machine shaft.
Spherical roller bearings are suitable for occasions where angle errors are caused by installation errors or shaft deflections. In addition to bearing radial load, the bearing can also bear axial load acting in both directions.
The spherical roller bearing is a double row non separable bearing. Its structure includes solid outer ring with spherical raceway, solid inner ring and drum roller with cage. The inner ring has cylindrical hole or conical hole. The symmetrical drum roller can be adjusted freely in the outer ring spherical raceway. Therefore, the bending of the shaft and the misalignment of the mating surface can be compensated.
