NTN BEARING CORP.OF AMERICA

NSK grs ps2 Bearing

 

Tapered Roller bearings double-row

SKF manufactures double row tapered roller bearings in the TDO (fig. 1) and TDI (fig. 2) designs, in many variants and with different features. Depending on the design, these bearings can accommodate heavy radial loads, axial loads in both directions and have a high degree of stiffness. Double row tapered roller bearings are typically used in gearboxes, hoisting equipment, rolling mills and machines in the mining industry, e.g. tunnelling machines.The inner and outer ring raceways are segments of cones and the rollers are tapered so that the conical surfaces of the raceways, and the roller axes, if projected, would all meet at a common point on the main axis of the bearing. This geometry makes the motion of the cones remain coaxial, with no sliding motion between the raceways and the OD of the rollers.

This conical geometry creates a linear contact patch which permits greater loads to be carried than with spherical (ball) bearings, which have point contact. The geometry means that the tangential speeds of the surfaces of each of the rollers are the same as their raceways along the whole length of the contact patch and no differential scrubbing occurs.

The rollers are stabilized and restrained by a flange on the inner ring, against which their large end slides, which stops the rollers from popping out due to the "pumpkin seed effect" of their conical shape.

NSK grs ps2 Bearing
NSK grs ps2 Bearing
8790 lbf
147475 lbf
H239649D H239612 Tapered Roller bearings double-row
H239649D H239612 Tapered Roller bearings double-row
8
16 mm
M255449D M255410 Tapered Roller bearings double-row
M255449D M255410 Tapered Roller bearings double-row
SL185020
140,2 mm
13176D 13318 Tapered Roller bearings double-row
13176D 13318 Tapered Roller bearings double-row
-40 °C
2 mm
EE128114D 128161 Tapered Roller bearings double-row
EE128114D 128161 Tapered Roller bearings double-row
0,78
280
74512D 74850 Tapered Roller bearings double-row
74512D 74850 Tapered Roller bearings double-row
10,98 kN
16 mm
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Double inner double row bearings inch
Double inner double row bearings TDI
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four-row cylindrical roller Bearing assembly
four-row cylindrical roller Bearing inner ring outer assembly
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Tapered Roller bearings double-row
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