NTN DRIVESHAFT ANDERlu, INC.

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.Tapered roller bearings are separable into a cone assembly and a cup. The non-separable cone assembly consists of the inner ring, the rollers, and a cage that retains & evenly spaces the rollers. The cup is simply the outer ring. Internal clearance is established during mounting by the axial position of the cone relative to the cup, although preloaded installations without clearance are common.

120 mm x 180 mm x 38 mm NKE 32024-X-DF tapered roller bearings
2400
1120
40 mm x 62 mm x 15 mm ISO 32908 tapered roller bearings
6
Deep Groove Ball Bea
83,345 mm x 125,412 mm x 25,4 mm ISO 27689/27620 tapered roller bearings
Open Type
In Stock
109,54 mm x 158,75 mm x 21,44 mm KOYO 57551 tapered roller bearings
7.000 in
16.5 in
38,1 mm x 92,075 mm x 29,9 mm Timken 440/432AB tapered roller bearings
Open Type
In Stock
38,1 mm x 85,725 mm x 30,162 mm FBJ 3876/3820 tapered roller bearings
2.00 mm
2800 rpm
114,3 mm x 190,5 mm x 49,212 mm Timken 71450/71750B tapered roller bearings
Single Metal Shield
104.1
50,8 mm x 96,838 mm x 21,946 mm ISO 385AX/382A tapered roller bearings
Bearings with Housin
Flanged Pilot Type
44,45 mm x 88,9 mm x 29,37 mm FBJ HM803149/HM803110 tapered roller bearings
4
22320K
44,983 mm x 85 mm x 25,4 mm Timken 25584/25526 tapered roller bearings
4
22320K
165,1 mm x 288,925 mm x 63,5 mm Timken 94649/94113 tapered roller bearings
Tapered Roller
Metric System
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608zz Bearing
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