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Timken Cylindrical Roller Bearing Catalog

Timken Cylindrical Roller Bearing Catalog
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Timken Cylindrical Roller Bearing Catalog

Product catalog summary
Overview
Timken is a global leader in friction management and power transmission products, focusing on innovation, quality, and dependability. The company offers a wide range of high-quality bearings and services, supported by a global team of experts and state-of-the-art facilities.
Friction Management Solutions
Timken provides comprehensive solutions to enhance performance, fuel efficiency, and equipment life, including condition monitoring systems, encoders, sensors, seals, and premium lubricants. They offer cost-effective solutions tailored to specific application goals.
Technology and Innovation
Innovation is a core value at Timken, with investments in skilled personnel, advanced tools, and research and development to create sustainable systems and improve power density.
Quality Assurance
Timken is committed to quality through the Timken Quality Management System (TQMS), ensuring all products meet industry standards and are backed by a limited warranty.
Shelf Life and Storage
Guidelines for the shelf life and storage of grease-lubricated bearings include maintaining temperature between 0º C and 40º C, keeping humidity below 60%, and avoiding contamination and vibration.
Cylindrical Roller Bearings
Timken's cylindrical roller bearings are designed for high performance in harsh environments and high radial loads, featuring premium cages and enhanced surface textures for longer life and reliability.
Product Offering
Timken offers a comprehensive range of high-performance cylindrical roller bearings, including full-complement, one-, two-, and four-row designs, with sizes ranging from 60 mm to 2000 mm.
Industry Presence
Timken cylindrical roller bearings are used in various applications such as power generation, oil fields, gear drives, mining, and wind energy.
Engineering Overview
The engineering section covers cylindrical roller bearing design types, cage design types, fitting practices, and lubrication recommendations.
Bearing Types and Cages
Timken offers a variety of radial cylindrical roller bearings, including single-row, two-row, and four-row designs, each designed to meet specific application requirements.
Specifications and Tolerances
The document provides detailed specifications for cylindrical roller bearings, including tolerance ranges and radial internal clearance limits in accordance with ISO 5753 standards.
Mounting and Fitting Practices
Cylindrical roller bearings can be mounted individually or in combination with other types of bearings, with emphasis on interference fits for rotating inner rings.
Installation Procedures
Methods for mounting bearings include the heat expansion method and the arbor press method, with guidelines for heating bearings to facilitate mounting.
Warnings and Safety Recommendations
Warnings are provided to prevent risks of injury during installation, emphasizing proper maintenance, handling practices, and lubrication.
Tables and Figures
The document includes tables listing recommended fitting practices, shaft and housing fits, and radial internal clearance limits.
Shaft and Housing Fits
Guidelines for specifying shaft and housing fits based on operating conditions are provided, with tables detailing tolerances for various nominal sizes.
Engineering Specifications
The document outlines engineering specifications for Timken cylindrical roller bearings, including housing and shaft fits.
Operating Temperatures
Bearings are designed to operate across a wide range of temperatures, with standard bearing steels maintaining hardness up to 120°C (250°F).
Material Limitations and Recommendations
The document details the limitations of standard bearing materials and provides recommendations for materials suitable for high-temperature applications.
Lubrication and Equipment Requirements
Lubrication limitations are discussed, highlighting the importance of selecting appropriate greases for different temperature ranges.
Material Specifications
Various materials are used for cages and seals, including molded nylon, fiberglass reinforced nylon, phenolic resin laminate, and low-carbon pressed steel.
Heat Generation and Dissipation
Bearing operating temperature depends on heat generation and the system's ability to dissipate heat, with calculations provided for heat generation and dissipation.
Torque and Running Torque
Torque equations for cylindrical roller bearings depend on load, speed, lubrication, and internal characteristics.
Lubrication
Lubrication minimizes rolling resistance and sliding friction, with oil preferred for high-speed applications.
Viscosity and Oil Types
Viscosity selection considers load, speed, and temperature, with oils classified by SAE, ASTM, and ISO standards.
Specifications
Industrial EP gear oils should be composed of a highly refined petroleum oil-based stock with appropriate inhibitors and additives.
Viscosity and Temperature
The viscosity index should be a minimum of 80, with a pour point of -10°C max.
Grease Lubrication
Grease lubrication is suitable for low-to-moderate speed applications, with various thickeners and temperature ranges outlined.
Contamination and Water Resistance
Contamination from abrasive particles and water can significantly reduce bearing life, with specific greases recommended for water resistance.
Grease Selection and Use
Proper grease selection depends on the lubricant's physical and chemical properties, application, and environmental conditions.
Timken Grease Products
Timken offers a range of application-specific lubricants designed for various industrial operations.
Lubrication and Grease Consistency
The document discusses the importance of maintaining proper lubrication in bearings, with a penetrometer used to measure grease consistency.
Grease Compatibility
A compatibility chart is provided to guide the selection of compatible greases for different applications.
Cylindrical Roller Bearings
The catalog details various cylindrical roller bearing designs, including full-complement, one-, two-, and four-row designs.
Nomenclature and Specifications
The document provides detailed nomenclature for identifying different types of cylindrical roller bearings.
Technical Specifications
Tables are included with detailed specifications for one-row metric ISO series cylindrical roller bearings.
Specifications
The catalog lists bearings with detailed specifications such as bore diameter, outer diameter, width, static and dynamic load ratings, and permissible speeds.
Key Parameters
Key parameters include bore diameter, outer diameter, width, load ratings, and speed ratings.
Recommendations
Recommendations include ensuring the radial internal clearance is included when ordering the complete assembly.
Additional Notes
The document emphasizes the importance of adhering to ISO life calculation methods and includes notes on construction similarities to ISO counterparts.
Overview
This document is a technical catalog from Timken, detailing specifications for cylindrical roller bearings.
Sections
  • One-Row Standard Series: Specifications for single-row cylindrical roller bearings.
  • Full-Complement (NCF) Bearings: Bearings designed to handle axial loads in one direction.
  • Two-Row Bearings: Two-row cylindrical roller bearings offering enhanced radial load capacity.
Key Data
  • Dimensions: Detailed measurements for bore, outer diameter, and width.
  • Load Ratings: Static and dynamic load capacities specified.
  • Speed Ratings: Maximum operational speeds for oil and grease lubrication.
  • Weight: The weight of each bearing is included.
Recommendations
The document advises on the inclusion of radial internal clearance in orders and provides guidelines for permissible axial displacement.
Overview
The document is a technical catalog from Timken, focusing on four-row cylindrical roller bearings.
Specifications
  • Available sizes range from 140 mm to 2000 mm in outer diameter.
  • Manufactured to P6 boundary and P5 runout tolerances.
  • Inner races are interchangeable with outer assemblies.
  • Standard radial internal clearances include C3 and C4.
Applications
Primarily used in rolling mill roll-neck applications.
Design Benefits
  • Common configurations include RY, RYL, and RX types.
  • Features such as case-hardened rings and rollers enhance durability.
Lubrication
Bearings can be lubricated using grease, oil-air, oil-mist, or circulating-oil systems.
Material
Bearings are made from high-quality carburized alloy.
Design Types
  • RY Type: Features two outer races with triple flanges.
  • RX Type: Allows for complete disassembly.
Mounting and Fitting
Bearings accommodate radial loading only, requiring separate thrust bearings for axial shaft location.
Tables and Data
The document includes detailed tables listing bearing dimensions, load ratings, part numbers, and lubrication data.
Overview
This document is a technical catalog for Timken cylindrical roller bearings, detailing specifications, procedures, and recommendations for their use and installation.
Specifications
The catalog provides detailed specifications for cylindrical roller bearings, including dimensions, weight, and fit types.
Inner Rings (IR)
Specifications for inner rings are provided, including dimensions, weight, and fit types.
5200, A5200 Metric Series
This section outlines the bearing dimensions, load ratings, and part numbers for the 5200 and A5200 metric series.
Load and Life Calculations
The catalog references pages for ring tolerances, life and load calculations, and shaft and housing fits.
Additional Notes
The document includes notes on permissible axial displacement and provides a comprehensive overview of Timken's offerings.
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Catalog excerpts

Timken Cylindrical Roller Bearing Catalog-1

TIMKEN Where You Turn TIMKEN CYLINDRICAL ROLLER BEARING CATALOG

 Open the catalog to page 1
Timken Cylindrical Roller Bearing Catalog-3

TIMKEN OVERVIEW TIMKEN. WHERE YOU TURN. Turn to Timken to move ahead of the comptition and stand out as a leader in your industry. When you turn to us, you receive more than high-quality products and services; you acquire a worldwide team of highly trained and experienced associates, eager to help you keep production rates high and downtime low. Whether it is a wheel assembly for a family vehicle, bearings outfitted for a deep-sea oil drilling rig, repair services for rail bearings or steel for an aircraft engine shaft, we supply the products and services you need that help keep the world turning....

 Open the catalog to page 3
Timken Cylindrical Roller Bearing Catalog-4

TIMKEN OVERVIEW TECHNOLOGY THAMOVES YOU Innovation is one of our core values, and we're known for our ability to solve engineering challenges. We focus on improving performance in the most difficult applications, and we're passionate about creating technical solutions and services that help your equipment perform faster, harder, smoother and more efficiently. To do this, we invest in: ϕ People, attracting and hiring scholars, engineers and specialists from across the globe who are experts in mechanical power transmission, antifriction bearing design, tribology, metallurgy, clean steel production,...

 Open the catalog to page 4
Timken Cylindrical Roller Bearing Catalog-5

TIMKEN OVERVIEW A BRAND YOU CAN TRUST l The Timken brand stands for quality, innovation and dependability. I We take pride in the quality of our work, and you gain I the peace-of-mind of knowing that each box contains an F industry-trusted product. As our founder, Henry Timken, said, "Don't set your name to anything you will ever have f cause to be ashamed of." f We continue this mindset through the Timken Quality Management System (TQMS). With TQMS, we promote continuous quality improvements in our products and services to our global oprations and supply chain networks. It helps us ensure that...

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Timken Cylindrical Roller Bearing Catalog-6

TIMKEN OVERVIEW ABOUTTHIS CATALOG 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 sales representative to learn more about our complete line for the special needs of your application. USING THIS CATALOG We are committed to providing our customers with maximum service and quality. This publication contains dimensions, tolerances and load ratings as well as an engineering section describing fitting practices for shafts and housings, internai clearances,...

 Open the catalog to page 6
Timken Cylindrical Roller Bearing Catalog-7

TIMKEN OVERVIEW SHELF LIFE AND STORAGE OF GREASE-LUBRICATED BEARINGS AND COMPONENTS Timken guidelines for the shelf life of grease-lubricated rolling bearings, components and assemblies are set forth below. Shelf life information is based on test data and experience. Shelf life should be distinguished from lubricated bearing/ component design life as follows: SHELF LIFE POLICY Shelf life of the grease-lubricated bearing/component represents the period of time prior to use or installation. The shelf life is a portion of the anticipated aggregate design life. It is impossible to accurately predict...

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Timken Cylindrical Roller Bearing Catalog-8

TIMKEN OVERVIEW Most bearing types are typically shipped protected with a corrosion-preventive compound that is not a lubricant. Such bearings may be used in oil-lubricated applications without removal of the corrosion-preventive compound. When using some specialized grease lubrications, it is advisable to remove the corrosion-preventive compound before packing the bearings with suitable grease. Some bearing types in this catalog are prepacked with general purpose grease suitable for their normal application. Frequent replenishment of the grease may be necessary for optimum performance. Care...

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Timken Cylindrical Roller Bearing Catalog-9

CYLINDRICAL ROLLER BEARING INTRODUCTION TIMKEN® CYLINDRICAL ROLLER BEARINGS - Offering Slection and Superior Performance Your success dpends on the performance of your equipment, especially when it faces harsh environments and high radial loads. To keep your uptime high and downtime low, turn to Timken® cylindrical roller bearings. INDUSTRY PRESENCE Timken cylindrical roller bearings effectively reduce friction and help transmit power in applications like: A radial cylindrical roller bearing consists of an inner and/or outer ring and a complement of controlled-contour cylindrical rollers. Depending...

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Timken Cylindrical Roller Bearing Catalog-10

ENGINEERING ENGINEERING The following topics are covered within this engineering section: Cylindrical roller bearing design types. Օ Cage design types. Fitting practice and mounting recommendations. Օ Lubrication recommendations. This engineering section is not intended to be comprehensive, but does serve as a useful guide in cylindrical roller bearing selection. To view the complete engineering catalog, please visit www.timken.com. To order the catalog, please contact your Timken engineer and request a copy of the Timken Engineering Manual, order number 10424. TIMKEN CYLINDRICAL ROLLER BEARING...

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Timken Cylindrical Roller Bearing Catalog-11

ENGINEERING BEARING TYPES AND CAGES RADIAL CYLINDRICAL ROLLER BEARING TYPES AND CAGES Radial cylindrical roller bearings can offer higher radial load capacity than other bearing designs. The Timken Company offers a wide range of full complement, one -, two -, and four-row designs to meet various application requirements. RADIAL CYLINDRICAL ROLLER BEARINGS STANDARD STYLES Timken® cylindrical roller bearings consist of an inner and outer ring, a roller-retaining cage, and a complement of controlled-contour cylindrical rollers. Depending on the type of bearing, either the inner or the outer ring...

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Timken Cylindrical Roller Bearing Catalog-12

ENGINEERING BEARING TYPES AND CAGES EMA SERIES The Timken® single-row EMA sries cylindrical roller bearings incorporate a unique cage design, proprietary internal geometry and special surface textures. These features help to improve bearing performance and can help to improve uptime and reduce maintenance costs. The cage is a one-piece brass design with full-milled pockets. It is a land-riding cage which, unlike traditional roller-riding cages, minimizes drag on the roller elements. This reduces heat generation and improves bearing life. The high cage rigidity allows for more rollers than possible...

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