SKF, NSK, C&Uself Aligning Thrust Roller Bearing 81152-81192

Product Description
Characteristic:

Thrust cylindrical roller bearings and thrust taper roller bearing are both suitable for low-speed occasions. But the speed of thrust tapered roller bearing is slightly higher than thrust cylindrical roller bearing. Thrust cylindrical roller bearing belongs to the separated type roller bearing which can only carry axial load and slight shock. For its ability of restricting the axial displacement (or shell) in one direction, it can also be used as a one-way axial positioning. But its carrying capacity is far more greater than thrust ball bearing. Due to linear velocity is different on both ends of the roller, roller inevitably produces slide when it is rolling in the roll road, as a result, limit rotational speed of this kind of bearing is lower than thrust ball bearing, which are usually only suitable for low-speed occasions.

Standard design of thrust roller bearing usually use car metal solid retainer, but mainly according to users' requirements, it also can use other types of material of the retainer. Compared with thrust cylindrical roller bearing, tapered roller bearing has large carrying capacity, small relative slide, but its limit rotational speed is lower

Cylindrical roller bearing.
Cylindrical roller and its race is line contact, with great radial load capacity, that is applicable to bear heavy load and shock load, also applies to high speed rotation and axial movement, N and NU type can be able to adapt to the change of relative position between shaft and shell, caused by thermal expansion or installation error, most suitable as the free end bearing. NJ and NF type can withstand a certain degree of one-way axial load, NH and NUP type can withstand two-way axial load inner ring and outer ring separable in a certain degree, which is completely convenient handling, Due to the strong rigidity of resistance radial load, making NNU and NN type mostly used for machine tool spindle.

Thrust cylindrical roller bearings
Consist of the circle ring shaped raceway (axial circle, seat), cylindrical roller and cage. Cylindrical roller adopts convex processing, thus pressure between roller and raceway surface is distributed equally.
Can withstand a one-way axial load
The greater axial load capacity is, the stronger axial rigidity will be.

Main use: Medium and large motors, generators, internal combustion engines, gas turbine, machine tool spindle, speed reducer, loading and unloading handling machinery, all kinds of industrial machinery
Note: Four-row cylindrical roller bearings can withstand the big radial direction load, cannot limit the axial displacement, often used for rolling mill and other heavy machinery.

Pictures: