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TRELLEBORG SEALING SOLUTIONS

YOUR PARTNER FOR SEALING TECHNOLOGY

ENGINEERING MANUAL FOR INDUSTRIAL APPLICATIONS

OrkotBearings

3024_Orkot_EngeneeringGuide_PMS_DD_3.1.indd 1 28.02.2014 11:43:26

ISO 9001:2008 ISO/TS 16949:2009

Your Partner for Sealing Technology

Trelleborg Sealing Solutions is a major international developer, manufacturer and supplier of seals, bearings and molded components in polymers. We are uniquely placed to offer dedicated design and development from our market-leading product and material portfolio: a one-stop-shop providing the best in elastomer, silicone, thermoplastic, PTFE and composite technologies for applications in aerospace, industrial and automotive industries.

With 50 years of experience, Trelleborg Sealing Solutions engineers support customers with design, prototyping, production, test and installation using state-of-the-art design tools. An international network of over 70 facilities worldwide includes over 20 manu- facturing sites, strategically-positioned research and development centers, including materials and development laboratories and locations specializing in design and applications.

Developing and formulating materials in-house, we utilize the resource of our material database, including over 2,000

proprietary compounds and a range of unique products.Trelleborg Sealing Solutions fulfills challenging service requirements, supplying standard parts in volume or a single custom-manufactured component, through our integrated logistical support, which effectively delivers over 40,000 sealing products to customers worldwide.

Facilities are certified to ISO 9001:2008 and ISO/TS 16949:2009. Trelleborg Sealing Solutions is backed by the experience and resources of Trelleborg Group, one of the worlds foremost experts in polymer technology.

The information in this brochure is intended to be for general reference purposes only and is not intended to be a specific recommendation for any individual application.

The application limits for pressure, temperature, speed and media given are maximum values determined in laboratory conditions. In application, due to the interaction of operating

parameters, maximum values may not be achieved. It is vital therefore, that customers satisfy themselves as to the suitability of product and material for each of their individual

applications. Any reliance on information is therefore at the users own risk. In no event will Trelleborg Sealing Solutions be liable for any loss, damage, claim or expense directly

or indirectly arising or resulting from the use of any information provided in this brochure. While every effort is made to ensure the accuracy of information contained herewith,

Trelleborg Sealing Solutions cannot warrant the accuracy or completeness of information.

To obtain the best recommendation for a specific application, please contact your local Trelleborg Sealing Solutions marketing company.

This edition supersedes all previous brochures. This brochure or any part of it may not be reproduced without permission.

All trademarks are the property of Trelleborg Group. The turquoise color is a registered trademark of Trelleborg Group. 2014, Trelleborg Group. All rights reserved.

Lastest information available at www.tss.trelleborg.com Edition February 20142 TRELLEBORG SEALING SOLUTIONS

Orkot BearingsEngineering manual for industrial applications

Trelleborg Sealing Solutions is an international group specialized inpolymer technology, uniquely placed to offer dedicated design anddevelopment from our market leading product and material portfolio;a one-stop shop providing the best in elastomer, thermoplastic, PTFEand composite technologies for sealing and bearing applications inaerospace, industrial, and automotive industries.

With 50-years experience, Trelleborg Sealing Solutions engineerssupport customers with design, prototyping, production, test andinstallation using state-of-the-art design tools. An internationalnetwork of over 70 facilities worldwide includes 30 manufacturingsites, strategically positioned research and development centers,including materials and development laboratories and locationsspecializing in design and applications.

Developing and formulating materials in-house, we utilize theresource of our material database, including over 2,000 proprietarycompounds and a range of unique products.

Trelleborg Sealing Solutions fulfills challenging service requirements,supplying standard parts in volume or a single custom-manufacturedcomponent, through our integrated logistical support, whicheffectively delivers over 40,000 sealing products to customersworldwide.

Facilities are certified to ISO 9001:2000 and ISO/TS 16949:2002.Trelleborg Sealing Solutions is backed by the experiences andresources of one of the world's foremost experts in polymertechnology, Trelleborg AB.

2

The information in this manual is intended to be for general reference purposes only and is notintended to be a specific recommendation for any individual application. The application limits forpressure, temperature, speed and media given are maximum values determined in laboratoryconditions. In application, due to the interaction of operating parameters, maximum values may notbe achieved. It is vital therefore, that customers satisfy themselves as to the suitability of productand material for each of their individual applications. Any reliance on information is therefore at theuser's own risk. In no event will Trelleborg Sealing Solutions be liable for any loss, damage, claim orexpense directly or indirectly arising or resulting from the use of any information provided in thismanual. While every effort is made to ensure the accuracy of information contained herewith,Trelleborg Sealing Solutions cannot warrant the accuracy or completeness of information.

To obtain the best recommendation for a specific application, pleasecontact your local Trelleborg Sealing Solutions marketing company.

This edition supersedes all previous brochures.This brochure or any part of it may not be reproduced without permission.

All trademarks are the property of Trelleborg AB.

The turquoise color is a registered trademark of Trelleborg AB.

2008 Trelleborg AB. All rights reserved.

ISO 9001:2000 ISO/TS 16949:2002

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Contents

3

General: Page

OrkotMaterials 4

Quality 4

R+D and Test Facilities 5

Availability 5

Grades 6

Properties / Specifications: Page

Mechanical Properties 7

Thermal Properties 8

Electrical Resistance 8

Radiation Resistance 9

Chemical Resistence 9

Swell 11

Food and Potable Water Contact 11

PV and Coefficient of Friction 11

Un-lubricated or Boundary Lubrication Conditions 12

Hydrodynamic Applications 12

Grease lubrication 12

Design / Installation: Page

Lamination Direction 15

Counter Face 15

Installation 15

Application Checklist 16

Machining Orkot 16

Design information: Page

Interference Fit 13

Wall Thickness 13

Machining Tolerances 13

Clearance 14

Bore Closure 14

Design Service 14

Orkot_eng-man_gb.qxp:gb 18.03.2008 17:33 Uhr Seite 3

QualityAll Orkotbearings manufactured are subject to strict qualitycontrols and procedures, from raw material acquisition throughmanufacturing to delivery.

Certification of the production facility is in accordance withinternational standard BS EN ISO 9001:2000 and meets thespecific requirements for quality control and management ofpurchasing, production and marketing functions.

Accreditation is supported by procedures and processes toensure full traceability of each component.

A continuous test program ensures the quality and performanceof Orkotbearing materials, and this can be further supportedby specific testing and certification of products for customers ifrequired.

General

OrkotMaterialsOrkotbearing materials are a range of thermoset compositebearing materials incorporating advanced polymertechnologies. These consist of technical fabrics impregnatedwith thermosetting resins, evenly dispersed solid lubricantsand further additives to ensure the optimum solution isreached to satisfy many engineering applications.

Orkotmaterials have many advantages over more traditionalmetallic bearing materials and other polymeric bearingsincluding:

Low coefficient of friction

High load capacity

Good chemical resistance

Operates in fresh or salt water without lubrication

Damping of vibration

Accommodation of shaft misalignment

Ease of machining

Fitting by pressing, freezing, adhesives and mechanicalmethods

Dimensional stability

Minimal thermal softening

Does not encourage galvanic corrosion

Orkotcontains no asbestos or environmentallyhazardous/toxic substances

Many successful applications for Orkotinvolve highly loadedbearings or pads operating with intermittent or oscillatingmovements.

Manufacturing composite bearings since 1954, Orkotbearings have been fitted and used by thousands of satisfiedcustomers world-wide in a diverse range of applications,including:

Railways

Off-road vehicles

Process equipment

Injection molding machines

Pumps and Valves

Lifting and handling equipment

Hydropower

Formula 1 racing ca

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