Tapered Roller Bearings

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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.

36 mm x 64 mm x 42 mm FAG RW9245 tapered roller bearings

6 No Cover
J7 Square flange shape

30 mm x 62 mm x 20 mm NTN 4T-32206C tapered roller bearings

4.3 mm 173
258000 lbf 21.7 Kg

115 mm x 200,025 mm x 50 mm Gamet 181115/181200XP tapered roller bearings

26 mm 678
EC520-617 2300

136,525 mm x 228,6 mm x 57,15 mm NTN 4T-896/892 tapered roller bearings

120 mm 4181.39 lbf
Light Series 1970 rpm

NTN CRI-1252 tapered roller bearings

25 ~ 60 12
Square Type Electroless Nickel P

PFI LM102949/10 tapered roller bearings

[Steel] Steel 37
Bearings with Housin 6

247,65 mm x 346,075 mm x 63,5 mm PSL PSL 611-305 tapered roller bearings

1300 rpm 5.30 in
Eccentric 0.0020 in

50 mm x 105 mm x 29 mm SKF T7FC050/QCL7C tapered roller bearings

Double Bearings with Housin
ZZ (Double Shield) Clear Anodize

KOYO 2581/2520 tapered roller bearings

4 mm 108 mm
75 mm 7.94 mm