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Useful knowledge about spherical roller bearing

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Sep 16,2022

Mainly applicable cage: 

Stamped steel plate reinforced cage (suffix E). Stamped steel cage (suffix CC), glass fiber reinforced polyamide 66 cage (suffix TVPB), machined brass two-piece cage (suffix MB). Machined brass integral cage (suffix CA), stamped steel cage for vibration applications (suffix JPA). Brass cage (suffix EMA) for vibration applications.


Papermaking machinery, reduction gears, railway vehicle axles, rolling mill gearbox bearing housings, rolling mill rolls, crushers, vibrating screens, printing machinery, bar machinery, various industrial reducers, vertical self-aligning bearings with seats.

spherical roller bearing


Spherical roller bearings are equipped with drum-shaped roller bearings between the inner ring with two raceways and the outer ring with spherical raceways. The center of curvature of the outer ring raceway surface is consistent with 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, the load can be automatically adjusted and the axial load in two directions. Large radial load capacity, suitable for heavy loads and shock loads. The inner diameter of the inner ring is a bearing with a tapered hole, which can be directly installed. Or install it on the cylindrical shaft using an adapter sleeve and a dismantling sleeve.
The cages use steel stamping cages, polyamide forming cages and copper alloy turning cages. For self-aligning bearings, use an intermediate mounting ring to prevent the outer ring from tilting and rotating when installing the bearing with a shaft into the shaft hole of the case. It should be remembered that some sizes of self-aligning ball bearings have balls that protrude from the sides of the bearing, so the middle mounting ring should be recessed to prevent damage to the balls. A large number of bearings are generally installed mechanically or hydraulically.
For separable bearings, the inner ring and outer ring can be installed separately, which simplifies the installation process, especially when the inner and outer rings need an interference fit. When installing the shaft with the inner ring in place into the bearing housing including the outer ring, you must pay attention to check whether the inner and outer rings are correctly aligned to avoid scratching the bearing raceway and rolling parts. If cylindrical and needle roller bearings use inner rings without flange rib or inner ring with flange on one side, it is recommended to use a mounting sleeve. The outer diameter of the sleeve should be equal to the inner ring raceway diameter F, and the machining tolerance standard should be d10. Drawn cup needle roller bearings are best mounted with mandrels.
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