1) Spherical ball bearings are principally provided with two rows of symmetrical spherical ball and a common sphere raceway in out ring, the two inner ring raceways are included at an angle to the bearing axia

2) The bearings have good self-aligning ability and can operate when the shaft deflection under load or the shaft deflection under load or the shaft misaligning in mounting, and their permissible aligning angle is 1 to 2.5 degree

3) This type of bearings has heavy load carrying capacity and anti-impact ability, in addition to radial loads, they also can carry axial loads in two directions

4) In general, this type of bearings permits a low limiting speed 
1205-1220 1305-1320 2205-2220 2305-2320 and so on