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HEAVY THRUST PERFORMANCE

Self Aligning Thrust Roller Bearings

Heavy-duty bearings with spherical rollers that carry very high axial loads while compensating for shaft misalignment, delivering dependable performance in vertical shafts, pumps, marine drives and heavy industrial machinery.

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Self Aligning Thrust Roller Bearing
01 SELF ALIGNING
02 HIGH AXIAL CAPACITY
Self Aligning Thrust Roller Bearing
ENGINEERED FOR HEAVY AXIAL LOADS
PRODUCT OVERVIEW

Understanding the
Self Aligning Thrust Roller Bearing

Self aligning thrust roller bearings are heavy-duty bearings designed to carry very high axial loads, along with moderate radial loads acting at the same time. Their spherical housing washer raceway lets the bearing compensate for shaft misalignment and deflection, making them well suited to demanding applications such as gearboxes, pumps, crane hooks, marine propulsion and heavy industrial machinery.

BEARING CONSTRUCTION: Barrel-shaped rollers are arranged at an angle between a flat shaft washer and a housing washer with a spherical raceway. This design allows the bearing to self-align, carry heavy thrust loads and run smoothly even when the shaft is slightly out of alignment.

About

Spherical Roller Thrust Bearings

Every element works together to carry heavy axial loads while self-aligning to shaft deflection and misalignment.

SW

Shaft Washer

Mounts on the rotating shaft and provides the inclined raceway that carries the axial load.

ROTATING COMPONENT
HW

Housing Washer

Seats in the housing with a spherical raceway, allowing the bearing to self-align under misalignment.

SELF-ALIGNING COMPONENT
SR

Spherical Rollers

Asymmetrical barrel-shaped rollers carry heavy axial loads and some radial load between the washers.

ROLLING ELEMENT
C/R

Cage / Retainer

Guides and spaces the rollers evenly, keeping them correctly positioned during operation.

POSITIONING SYSTEM
Self Aligning Thrust Roller Bearing FAQ

Frequently Asked
Questions

Find answers to common questions about self aligning thrust roller bearings, their construction, applications, selection and performance characteristics.

FAQ

Self Aligning Thrust Roller Bearing Guide

Understand the essential information before selecting a bearing for your application.

01 What is a self aligning thrust roller bearing? +
A heavy-duty bearing with barrel-shaped rollers running on a spherical housing washer raceway and an inclined shaft washer raceway. It is designed to carry heavy axial (thrust) loads while automatically compensating for shaft misalignment.
02 Where are self aligning thrust roller bearings commonly used? +
In heavy machinery with high axial loads, such as vertical shafts, gearboxes, pumps, cranes, extruders, marine propulsion systems and power generation equipment.
03 How do self aligning thrust roller bearings handle misalignment? +
The spherical raceway in the housing washer lets the rollers and shaft washer tilt slightly. This absorbs shaft deflection and mounting errors without overloading the bearing.
04 Can it carry radial loads as well as axial loads? +
It is designed mainly for axial loads in one direction, but it can also carry a moderate radial load at the same time. For axial loads in both directions, a second bearing is needed.
05 How do I select a self aligning thrust roller bearing? +
Bearing selection typically depends on factors such as bearing size, load, speed, shaft and housing dimensions, operating environment, lubrication and the requirements of the specific machine.
06 What information should I provide when requesting a bearing? +
Providing the bearing number, dimensions, application, machine type, operating speed and load requirements can help identify a suitable bearing specification.