double row tapered roller bearings

double row tapered roller bearings

Tapered roller bearing



Tapered roller bearings are rolling element bearings that can support axial forces as well as radial forces.



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.



In many applications tapered roller bearings are used in back-to-back pairs so that axial forces can be supported equally in either direction.



Pairs of tapered roller bearings are used in car and vehicle wheel bearings where they must cope simultaneously with large vertical (radial) and horizontal (axial) forces. Tapered roller bearings are commonly used for moderate speed, heavy duty applications where durability is required. Common real world applications are in agriculture, construction and mining equipment, sports robot combat, axle systems, gear box, engine motors and reducers, propeller shaft, railroad axle-box, differential, wind turbines, etc.

2021/02/02
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WUXI LOTTON -- double row tapered roller bearings


The outer ring or inner ring of two-row tapered roller bearing is a whole unit. LOTTON’s two-row tapered roller bearings can be divided into metric and imperial ones. For metric tapered roller bearings, LOTTON will match the tolerance and dimension of spacers for the two single-row tapered roller bearings before delivery. For the imperial tapered roller bearings, it mainly contains TDI (one complete inner ring and two single outer rings, it’s usually supply together with outer spacer)and TDO(one complete outer ring and two single inner rings)structure. The rotating precision of metric and imperial tapered roller bearings is different. 


Features of Double Row Tapered Roller Bearing

1.High load capacity 

2.Continuous rotating 

3. Bearing radial and Bi-direction axial load. 

4.High stiffness

5.Lower friction 

6.Longer service life

7. Widely application


Specification of Double Row Tapered Roller Bearing

Standard bearings are provided as open. Sealed spherical can be made available upon request.

Many clearance options to choose from. (C0-C5)

Bearings can be offered in different heat treatments. (S0-S4)

Standard bearings are rated up to 302o F.

Primarily supplied with either a steel cage or a machined brass cage.

Tapered bore is available. (K)

The lubrication grooves area is available on either the outside diameter (W33) or the inner ring & outer ring. (W513)

Bearings are manufactured in normal tolerance classes.


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