Thrust bearing catalog index timkencom (7.33 MB)

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THRUST BEARING CATALOG INDEX
TIMKEN OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
PRODUCTS AND SERVICES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
HOW TO USE THIS CATALOG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SHELF LIFE AND STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
WARNINGS AND CAUTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
ENGINEERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Thrust Bearing Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Bearing Reactions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Bearing Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
System Life and Weighted Average Load and Life . . . . . . . . . . . 28
Bearing Tolerances, Metric and Inch Systems . . . . . . . . . . . . . . 29
Mounting Design, Fitting Practice and Setting. . . . . . . . . . . . . . . 37
Bearing Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
PRODUCT DATA TABLES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Angular Contact Thrust Ball Bearings. . . . . . . . . . . . . . . . . . . . . . 69
Thrust Cylindrical Roller Bearings . . . . . . . . . . . . . . . . . . . . . . . . . 75
Thrust Spherical Roller Bearings. . . . . . . . . . . . . . . . . . . . . . . . . . 85
Thrust Tapered Roller Bearings. . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
TIMKEN THRUST BEARING CATALOG
®
1
TIMKEN
OVERVIEW
GROW STRONGER WITH TIMKEN
Every day, people around the world count on the strength
of Timken. Our expertise in metallurgy, friction management
and mechanical power transmission helps them accelerate
improvements in productivity and uptime

We supply products and services that can help keep your
operations moving forward, whether you need drive train
kits for commercial vehicles, durable housings for bearings
in dirty environments, couplings that avoid metal-to-metal
contact between motors and gearboxes, repair services for
bearings and gearboxes, roller chain for dry, abrasive and
high-moisture applications, or other products and services for
your applications

When you choose Timken, you receive more than high-quality
products and services: you gain a worldwide team of highly
trained and experienced Timken people committed to working
collaboratively with you to improve your business

Globally, our 17,000 people provide reliable answers for a
wide range of operations in manufacturing, mining, medical
equipment, aerospace, transportation, oil and gas – and other
diverse industries

2 TIMKEN THRUST BEARING CATALOG
®
TIMKEN
OVERVIEW
INCREASE YOUR EQUIPMENT
UPTIME
In addition to high-quality bearings and mechanical power
transmission components, we provide valuable integrated
products and services. For example, we offer repair services
and monitoring equipment that can alert you to problems
before they impact your uptime

Additionally, we offer a broad selection of seals, premium
lubricants, lubricators, couplings and chain to keep your
operations moving smoothly

Our 12 technology centers in the United States, Europe and
Asia help pioneer tomorrow’s innovations with extensive
basic and applied scientific research programs. Through
internal development and strategic acquisition of innovative
companies, we continue to expand our portfolio of highly
engineered bearings, power transmission products and
advanced services

TIMKEN THRUST BEARING CATALOG
®
3
TIMKEN
OVERVIEW
INDUSTRIAL CORE
INNOVATOR CAPABILITIES
Today, manufacturing and Timken has evolved from
processing equipment handle its early roots as a bearing
heavier loads, faster speeds and producer to a supplier offering
greater expectations than ever much more, including friction-
before. As finished-product quality management and power-
requirements increase, producers transmission solutions that add
continue to place a very high premium value throughout the complete
on equipment uptime and performance. life cycle of a system. Our material
enhancements improve bearing life and can
Timken has more than a century of experience
protect against debris and corrosion – two challenges
developing bearings and related solutions that help equipment
encountered frequently in various industrial applications

run more efficiently in a wide range of applications. As the
Our precision manufacturing capabilities and commitment to
leader in friction-management and power-transmission
quality ensure global consistency in design and manufacturing
solutions for industrial markets, Timken helps operators
at every Timken facility. A global distribution network provides
improve their equipment’s performance and uptime. We
our customers with easy access to Timken products and
accomplish this by providing custom solutions – from bearings
services throughout the world

that stand-up to the harshest environments to condition
monitoring that minimizes maintenance costs and improves We leverage these core capabilities as we work with original
plant productivity. equipment manufacturers (OEM) and designers to integrate
our technologies into equipment so that end users can enjoy
INNOVATION AND CUSTOMER the performance benefits of Timken products from the first
day of operation. OEMs depend on Timken for our engineering
SUPPORT expertise, manufacturing capabilities and emphasis on reliable
Timken operates technology centers around the world performance

dedicated to developing innovative concepts and products that
help you operate more efficiently. Our technical leadership
and customer support reach far beyond our products. Timken
customers have access to sales and service engineering
support at their plants, and options for additional support from
application engineers who specialize in a variety of industrial
applications

4 TIMKEN THRUST BEARING CATALOG
®
TIMKEN
PRODUCTS AND SERVICES
PRODUCTS AND SERVICES capacity and advanced geometry that reduces friction and
heat generation. These bearings are available in a range of
We offer equipment builders and operators one of the most dimensional stability configurations to suit elevated
extensive friction-management product and service portfolios operating temperatures

in the industry

•• Thrust roller bearings – Thrust roller bearings for rolling
We also strictly adhere to the Timken Quality Management mill applications are available in cylindrical, spherical and
System in every plant worldwide, so each bearing product tapered designs. Thrust bearings are ideal for applications
meets the same high quality standards – no matter where in experiencing heavy axial loads, such as mill stands, screw-
the world it is manufactured. down systems and piercing mills

BEARINGS
Timken provides a broad range of bearing designs and
configurations for use in steelmaking vessels, caster
segments, work rolls, backup rolls, screwdown systems,
mill drives, pinion stands, coilers, table rolls, and
auxiliary equipment. Bearing types include:
•• Tapered roller bearings – Tapered roller bear-
ings are uniquely designed to manage both
thrust and radial loads and are available in
single- and multi-row designs with a wide
range of assembly options. Our extensive
offering of tapered roller bearing combi-
nations provides equipment builders and
operators simple, reliable and less costly
design solutions

•• Cylindrical roller bearings – This design
generally offers the highest possible radi-
al load capacity for a given size compared
to other roller bearing types. Single-row
and double-row cylindrical roller bearings
are ideal for many mill stand, gear drive and
other auxiliary equipment applications, while
four-row cylindrical roller bearings are used in
roll neck applications. Timken offers both single and
multi-row cylindrical roller bearing. Custom designs
are available upon request for specific applications

•• Spherical roller bearings – Spherical roller bearings offer
high radial and moderate thrust capacity together with
maximum static and dynamic misalignment capability

Timken® spherical roller bearings provide high-static load
TIMKEN THRUST BEARING CATALOG
®
5
TIMKEN
PRODUCTS AND SERVICES
•• Ball bearings - Ball bearings are used extensively in HIGH-PERFORMANCE BEARING
auxiliary applications that have light loads and/or high-
speed conditions. Timken offers a range of radial, thrust and
SOLUTIONS
angular contact ball bearings in both metric and inch sizes. Timken provides a variety of high-performance bearing
Please contact your Timken engineer for detailed informa- solutions, including Timken® AquaSpexx®, DuraSpexx® and
tion on these product ranges. thin dense chrome bearings for corrosion protection. Our
debris-resistant bearings are ideal for contaminated and/or
•• Housed units - Timken® spherical roller bearing solid- marginal lubrication conditions

block housed units process a unique cast-steel design that
handles demanding conditions in metal industry applica- We also provide customized bearing solutions such as special
tions. These solid-block housed units come in several styles race profiles to meet special application requirements

and five advanced locking configurations. Timken spherical In addition to component geometry and metallurgy, we find
roller bearing solid-block housed units are designed for many ways to enhance bearing performance by applying
challenging circumstances. A full line of primary seals, unique surface finishes and special coatings on rollers,
covers and housings is available to find the right roller raceways and other functional surfaces. Engineered surfaces
housed unit to fit your application. In case of high thrust and topographical modifications reduce surface roughness
loads, in excess of the spherical roller bearing carrying to lower levels rather than what can be achieved through
capabilities, the Timken® Type E is your recommended conventional grinding and honing methods. We also offer
solution. Through our unique product design, we have proprietary coatings that can create a surface up to four
optimized the core components so their performance is times harder than steel with twice the elasticity. For more
elevated to a level we consider the next generation of information on Timken high-performance bearings and
roller housed units. Application testing has shown that our engineered surfaces, contact a Timken sales representative

Type E bearing yields a design life that is 55 percent higher
than current industry leading designs which utilize standard
Timken bearings. Timken also provides a broad range of
SNT metric plummer blocks and the SAF inch pillow block
line which include a wide range of sizes, housing designs,
seals and accessories. The standard line of Timken split-
block housings is constructed of cast iron and designed to
protect bearings

6 TIMKEN THRUST BEARING CATALOG
®
TIMKEN
PRODUCTS AND SERVICES
POWER TRANSMISSION
COMPONENTS AND SYSTEMS
Timken offers an expanding range of power transmission
components including seals, couplings and engineered chain

Extreme temperatures and high contamination levels can
disable your equipment and significantly lower productivity. LUBRICATION
Timken develops seals using advanced material and process Timken® lubricants reduce friction, prevent wear and
solutions that help protect machinery and minimize plant protect bearing surfaces from corrosion. We offer a wide
downtime. We offer a comprehensive line of large-bore oil and selection of lubricants, including Timken® Mill Grease, which
grease seals, and metallic and non-metallic bearing isolators. we formulated to perform in the difficult roll neck bearing
Timken® Quick-Flex® couplings are highly durable, yet need environment. Timken® single- and multi-point lubricators and
minimal maintenance. They are easy to install and require no lubrication delivery devices help maintenance
lubrication. The couplings are designed to connect motors professionals simplify their
and gearboxes with other moving equipment with capacity lubrication practices,
to transmit the same or more torque than a gear coupling in saving time and
the same dimensions. The Quick-Flex coupling's innovative money

design utilizes an advanced elastomeric element to transmit
the torque and therefore eliminates any interference between
coupling hubs which can damage equipment

Timken manufactures precision roller chains that are designed
to meet demanding steel industry applications. We build
chains to precise specifications for strength and maximum
CONDITION MONITORING
wear life. The offering includes a Powerful diagnostic tools from Timken are designed to
complete line of roller chains, detect potential bearing failure before it occurs. A variety of
attachment chains and handheld devices and online options – including our ultra-
engineered conveyor accurate Online Intelligence System – lets you monitor bearing
chains. condition, lubrication quality and machine vibration (either
periodically or continuously) for increased productivity, safety
and peace of mind

TIMKEN THRUST BEARING CATALOG
®
7
TIMKEN
PRODUCTS AND SERVICES
TRAINING
We offer industry-specific training programs designed for plant
professionals, as well as on-site customized training to meet
your specific needs. Our training programs are available at
select locations around the world and cover every phase of
bearing performance. Class time is balanced with extensive
hands-on training and tours of Timken facilities

MAINTENANCE TOOLS
Timken® maintenance tools may extend bearing life by
facilitating proper installation, removal and service. They also
help simplify maintenance practices. We provide induction
heaters, impact fitting tools, and hydraulic and mechanical
pullers

SERVICES
Used bearings and related components often can be returned
to their original specifications with less time and costs than
purchasing new. We offer complete remanufacture and
reconditioning services for many components, including
bearings, chocks, housings, rolls and more

Our gearbox repair services are globally recognized for power
transmission solutions in heavy industrial markets, repairing
virtually any large gearbox make or model, with on-site
emergency breakdown service available if needed

Timken offers a full range of maintenance and reconditioning
services through our remanufacturing and repair operations

Using these services can lead to improved plant efficiency and
reduced overall production costs

8 TIMKEN THRUST BEARING CATALOG
®
TIMKEN
HOW TO USE THIS CATALOG
HOW TO USE THIS CATALOG
We designed this catalog to help you find the Timken bearings
best suited to your equipment needs and specifications

The product tables list many of the bearing types that are
specifically used in thrust positions. For other bearing
types, please refer to the respective Timken product catalog
reference

Timken offers an extensive range of bearings and accessories
in both imperial and metric sizes. For your convenience, size
ranges are indicated in millimeters and inches. Contact your
Timken engineer to learn more about our complete line for the
special needs of your application

This publication contains dimensions, tolerances and load
ratings, as well as engineering sections describing mounting
and fitting practices for shafts and housings, internal
clearances, materials and other bearing features. It provides
valuable assistance in the initial consideration of the type
and characteristics of the bearings that may best suit your
particular needs

ISO and ANSI/ABMA, as used in this publication, refer to
the International Organization for Standardization and the
American National Standards Institute/American Bearing
Manufacturers Association

TIMKEN THRUST BEARING CATALOG
®
9

Race profiles to meet special application requirements. In addition to component geometry and metallurgy, we find many ways to enhance bearing performance by applying unique surface finishes and special coatings on rollers, raceways and other functional surfaces. Engineered surfaces and topographical modifications reduce surface roughness

PRODUCTS AND SERVICES TIMKEN 6 TIMKEN® THRUST BEARING CATALOG • Ball bearings - Ball bearings are used extensively in auxiliary applications that have light loads and/or high-speed conditions. Timken offers a range of radial, thrust and

Thrust Bearings. When axial loads combine with high speeds, heavy loads or other challenging conditions, Timken thrust bearings deliver optimum performance. We offer a comprehensive range of thrust bearings in standard as well as custom designs, meeting stringent specifications required for nearly any application. Home. Products.

Check out our interactive digital publication, delivered by Dirxion, the ultimate flip book platform. The user interface makes reading and searching easy.

The basic static radial load rating and thrust load rating for Timken bearings are based on a maximum contact stress within a non-rotating bearing of 4000 MPa (580 ksi) for roller bearings and 4200 MPa (609 ksi) for ball bearings, at the center of contact on the most heavily loaded rolling element. The 4000 MPa (580 ksi) or 4200 MPa (609 ksi ...

Thrust Bearings. Timken thrust bearings are designed specifically to manage thrust loads in a wide variety of industrial and automotive applications. We manufacture five basic designs of thrust bearings that include ball, crossed roller, cylindrical roller, tapered roller and spherical roller designs to meet full range industry applications.

TIMKEN PRODUCTS AND SERVICES •• Ball bearings - Ball bearings are used extensively in auxiliary applications that have light loads and/or highspeed conditions. Timken offers a range of radial, thrust and angular contact ball bearings in both metric and inch sizes. Please contact your Timken engineer for detailed information on these product ...

Catalog excerpts. SPHERICAL PLAIN Overview: Timken's spherical plain bearings consist of a spherically ground inner ring housed in a mating outer ring without any rolling elements. Sizes: 12.7 mm - 600 mm bore (0.5 in. - 23.622 in.). Օ Markets: Construction, mining, metals, power generation, oils and gas, aggregate, paper and forest products.

TIMKEN PRODUCTS CATALOG B415 • A BA Spherical Plain Bearings SPHERICAL PLAIN Overview: Timken’s spherical plain bearings consist of a spherically ground inner ring housed in a mating outer ring without any rolling elements. • Sizes: 12.7 mm - 600 mm bore (0.5 in. - 23.622 in.). • Markets: Construction, mining, metals, power generation, oils and gas, ...

High-Load Ultra-Low-FrictionOil-Embedded Thrust Bearings. Handle heavy loads that frequently start and stop along shafts— these bearings contain extra iron and slippery PTFE lubricant. They’re thrust bearings, which means they support loads parallel to the shaft.

Frequently Asked Questions

What kind of bearings does timken make?

What are the products and services of timken?

TIMKEN PRODUCTS AND SERVICES •• Ball bearings-Ball bearings are used extensively in auxiliary applications that have light loads and/or highspeed conditions. Timken offers a range of radial, thrust and angular contact ball bearings in both metric and inch sizes. Please contact your Timken engineer for detailed information on these product ranges.

What is a thrust bearing used for?

Generally a heavy-duty bearing that can operate at relatively high speeds. Bearing of choice for axial positions in a wide variety of applications including oil well swivels, pulp reﬁners, extruders and piercing mill thrust blocks. Consists of one thrust tapered race, one ﬂat race, rollers and cage.

What are off apex thrust bearings?

Off-apex roller arrangement. These are light-duty thrust bearings which are used extensively in the steering pivot positions of automotive and other industrial applications. Types TTSP, TTSPS and TTSPL are identical except for the cage construction.