What is a spherical roller bearing?
Release time:
2022-03-22
Spherical roller bearings have two rows of rollers, which mainly bear radial loads and can also bear axial loads in either direction. It has high radial load capacity, especially suitable for working under heavy load or vibration load, but it cannot bear pure axial load. The raceway of the outer ring of this type of bearing is spherical, so its self-aligning performance is good, and it can compensate the coaxiality error.
Spherical roller bearings have two rows of rollers, which mainly bear radial loads and can also bear axial loads in either direction. It has high radial load capacity, especially suitable for working under heavy load or vibration load, but it cannot bear pure axial load. The raceway of the outer ring of this type of bearing is spherical, so its self-aligning performance is good, and it can compensate the coaxiality error.
There are two rows of symmetrical spherical rollers, the outer ring has a common spherical raceway, and the inner ring has two raceways inclined at the same angle with the bearing axis, which has good self-aligning performance. The bearing can still be used normally. The self-alignment varies with the bearing size series. Generally, the allowable self-alignment angle is 1 to 2.5 degrees. This type of bearing has a large load capacity. In addition to bearing radial loads, the bearing can also bear The axial load acting in both directions has better impact resistance. Generally speaking, the allowable working speed of spherical roller bearings is lower.
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