PRECISION BEARING CORP

tapered roller bearings

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.The larger the half angles of these cones the larger the axial force that the bearing can sustain.

55 mm x 90 mm x 54 mm SKF BTH-1215AD tapered roller bearings
68/800
800x980x82
120 mm x 215 mm x 40 mm NTN 30224U tapered roller bearings
6702
15x21x4
38,1 mm x 69,012 mm x 19,05 mm Timken 13685/13620 tapered roller bearings
67/2,5ZZA
2.5x5x2.3
Timken NP293601/NP934397 tapered roller bearings
5S-2LA-BNS919LLBG/GNP42
95x130x18
KOYO 47TS815533A tapered roller bearings
68/950
950x1150x90
Toyana HM907643/14 tapered roller bearings
68/850
850x1030x82
36 mm x 72 mm x 18,5 mm Gamet 102036/102072 tapered roller bearings
6913NR
65x90x13
80,962 mm x 139,7 mm x 36,098 mm NSK 581/572X tapered roller bearings
NNU4922 V
110x150x40
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