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TIMKEN Europe
Quick-Flex Coupling

Quick-Flex Coupling

Product catalog summary

Overview
The Timken Quick-Flex® Coupling Catalog provides comprehensive information on high-performance mechanical components, focusing on improving machinery reliability and performance across various industries. It includes details on bearings, gears, and couplings.

Introduction
Timken Quick-Flex® couplings are designed for durability in harsh environments, requiring minimal maintenance and no lubrication. They feature a design with two steel hubs, a polyurethane insert, and a cover, available in various styles and sizes to handle different torque requirements.

Product Advantages
These couplings increase equipment uptime by eliminating mechanical interference, reducing inventory needs, and providing durability without metal-to-metal contact. They are suitable for a wide range of applications, including corrosive environments.

Product Features
The couplings can handle high speeds and torque, dampen torsional vibration, and accept shaft misalignment up to 2 degrees. They are available in stainless-steel versions with multiple bore and insert options for varying torque and temperature needs.

Competitive Advantage
Timken Quick-Flex couplings are easy to replace without moving hubs, have high- and low-torque ratings, and require no lubrication. They are designed to cushion shock and have a compact design.

Storage of Components
Guidelines are provided for storing coupling components to prevent damage and contamination, emphasizing the importance of keeping products in their original packaging and avoiding extreme environments.

Engineering
This section covers bore sizes, tolerances, keyway sizes, torque calculations, and misalignment tolerances, including service factors for applications and chemical compatibility of coupling inserts.

Conclusion
Timken Quick-Flex couplings are engineered for reliability and efficiency in demanding applications, with comprehensive information provided to assist in product selection and application.

Bore Tolerances and Keyway Sizes
Specifications for bore tolerances and keyway sizes are provided in both imperial and metric units, detailing nominal shaft diameter ranges, key sizes, and set screw sizes.

Torque Calculation and Coupling Selection
The document outlines the process for selecting the appropriate coupling based on torque ratings, providing formulas for calculating design torque and mentioning an online tool for assistance.

Torque Ratings and Misalignment Tolerances
Tables provide torque ratings and misalignment tolerances for different coupling series, emphasizing the capability to handle high peak torque loads.

Service Factors for Applications
A comprehensive list of service factors for various applications is included to determine the appropriate coupling size based on operational demands.

Chemical Compatibility
A chemical compatibility chart for coupling inserts indicates the effect of various chemicals on urethane material, with ratings from 'A' to 'C'.

Key Recommendations
Quick-Flex couplings can handle peak torque loads up to 200% of their maximum continuous torque rating. A mass elastic study is recommended for applications with significant torque fluctuations.

Installation Procedures
Detailed installation guides for standard and single-ended spacer couplings are provided, including specifications for cover types and safety warnings.

Performance Considerations
The dynamic balance of the couplings is noted, with maximum RPM ratings provided for each series. Proper installation is emphasized to prevent misalignment and ensure optimal performance.

Materials and Inserts
Quick-Flex couplings use flexible urethane inserts available in different materials for varying temperature and torque needs, with descriptions of each insert type's characteristics and applications.

Catalog excerpts

15M 2-13: 29 Order No. 10509 US | Timken® is a registered trademark of The Timken Company. | © 2013 The Timken Company | Printed in U.S.A. TIMKEN COUPLING CATALOG TIMKEN QUICK-FLEX COUPLING CATALOG Note gap. The Timken team applies their know-how to improve the reliability and performance of machinery in diverse markets worldwide. The company designs, makes and markets high-performance steel as well as mechanical components, including bearings, gears, chain and related mechanical power transmission products and services.

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SPHERICAL ROLLER BEARING METRIC ACCESSORIES NOTES TIMKEN SPHERICAL ROLLER BEARING CATALOG

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TIMKEN OVERVIEW TIMKEN QUICK-FLEX® COUPLING CATALOG INDEX TIMKEN OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 STORAGE OF COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 ENGINEERING Quick-Flex Standard Bore Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Quick-Flex Bore Tolerances and Keyway Sizes . . . . . . . . . . . . . . . . 12 Torque Calculations . . . . . . . . . . . . . . . . . . . . . . ....

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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 rail bearings, steel for an aircraft engine shaft, or...

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TIMKEN OVERVIEW INCREASE YOUR EQUIPMENT UPTIME In addition to high-quality bearings, engineered steel and mechanical power transmission components, we provide valuable integrated products and services. For example, we offer repair services and equipment 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 10 technology centers in the United States, Europe and Asia help pioneer tomorrow’s innovations with extensive basic...

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INTRODUCTION QUICK-FLEX® COUPLINGS TIMKEN QUICK-FLEX® COUPLINGS – DURABILITY FOR THE LONG HAUL When your equipment operates in harsh environments, you need products you can count on, like Timken Quick-Flex® elastomeric couplings. They are durable enough to face extreme challenges, yet need minimal maintenance. They are also easy to install and require no lubrication. With a lifespan that may last as long as your equipment, overall cost of ownership remains low. PIONEERING DESIGN REDUCED INVENTORY Timken Quick-Flex couplings’ innovative design features two steel hubs, a polyurethane insert and...

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INTRODUCTION QUICK-FLEX® COUPLINGS COMPETITIVE ADVANTAGE Quick-Flex Comparison Timken Quick-Flex Grid Coupling Gear Coupling High- and low-torque ratings Hubs not damaged when urethane insert needs replaced Cushioned shock Compact design High-speed capability Tire Coupling Easy to replace without moving hubs Chain Coupling PRODUCT OFFERING Timken Quick-Flex couplings stand up to harsh environments and operate efciently in applications including: Motor to gearbox (low torque/high speed). Gearbox to driven equipment (high torque/low speed). Motors to pumps. Any drive shaft to a driven shaft. QUALITY...

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INTRODUCTION HOW TO USE THIS CATALOG HOW TO USE THIS CATALOG We designed this catalog to help you nd the Timken housed units best suited to your specications. 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 tting practices for shafts and housings, internal...

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TIMKEN STORAGE OF COMPONENTS STORAGE OF COMPONENTS Timken suggests the following storage guidelines for its coupling components (hereinafter referred to as “products”): Inasmuch as Timken is not familiar with a customer’s particular storage conditions, these guidelines are strongly suggested. However, the customer may very well be required by circumstance or applicable government requirements to adhere to stricter storage requirements. Unless directed otherwise by Timken, products should be kept in their original packaging until they are ready to be placed into service. Do not remove or alter...

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TIMKEN QUICK-FLEX® COUPLING CATALOG

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ENGINEERING The following topics are covered within this engineering section: Quick-Flex Standard Bore Sizes . . . . . . . . . . . . . . . . . . . . . . . . . .10 Quick-Flex Bore Tolerances and Keyway Sizes . . . . . . . . . . . . .12 Torque Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Torque Ratings and Misalignment Tolerances . . . . . . . . . . . . . .14 Quick-Flex Coupling Service Factors for Applications . . . . . . .19 Quick-Flex Coupling Insert Chemical Compatibility . . . . . . . . . .22 Installation Guides . . . . . . . . . . . . . . . . ....

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ENGINEERING QUICK-FLEX STANDARD BORE SIZES QUICK-FLEX STANDARD BORE SIZES The following tables list, by bore size in inch and metric dimensions, couplings that are commonly stocked. TABLE 1. STANDARD BORE SIZES – CLEARANCE FIT Pilot Bore Coupling Series Pilot Bore Coupling Series TABLE 2. STANDARD BORE SIZES – CLEARANCE FIT 11 TIMKEN QUICK-FLEX® COUPLING CATALOG

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