NTN BEARUNG DRIVESHAFT,INC.

NSK 6911v Bearing

 

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.

40 mm x 85 mm x 21,692 mm  FBJ 350A/354A tapered roller bearings
40 mm x 85 mm x 21,692 mm FBJ 350A/354A tapered roller bearings
2.875 Inch | 73.025
ABB MOTORS AND MECHA
Fersa 32015XF tapered roller bearings
Fersa 32015XF tapered roller bearings
7 °
500 N/mm²
NACHI 14125A/14274 tapered roller bearings
NACHI 14125A/14274 tapered roller bearings
LINK BELT
17.236
NTN CRI-2219 tapered roller bearings
NTN CRI-2219 tapered roller bearings
Yes
Female
44,45 mm x 82,931 mm x 25,4 mm  ISB 25580/25523 tapered roller bearings
44,45 mm x 82,931 mm x 25,4 mm ISB 25580/25523 tapered roller bearings
Not Applicable
No
69,85 mm x 112,712 mm x 25,4 mm  Timken 29675/29620 tapered roller bearings
69,85 mm x 112,712 mm x 25,4 mm Timken 29675/29620 tapered roller bearings
Roller Bearings
B04311
KOYO 3477/3420 tapered roller bearings
KOYO 3477/3420 tapered roller bearings
ISOSTATIC INDUSTRIES
ISOSTATIC
40 mm x 74 mm x 36 mm  NSK ZA-40BWD16CA103** tapered roller bearings
40 mm x 74 mm x 36 mm NSK ZA-40BWD16CA103** tapered roller bearings
ASAHI BEARINGS
31171533
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angular contact ball bearings
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tapered roller bearings
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thrust roller bearings
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NTN F205 Bearing
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NTN 6008 Bearing