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TIMKEN® SPHERICAL ROLLER BEARING CATALOG
TIMKEN® SPHERICAL ROLLER BEARING CATALOG
Timken is a global leader in the design and manufacture of bearings and power transmission products, focusing on improving machinery reliability and performance across various industries. The company offers a wide range of products, including bearings, gear drives, and lubrication systems, supported by a global team of experts.
The catalog introduces Timken's spherical roller bearings, highlighting their ability to handle heavier loads and faster speeds, enhancing equipment uptime and performance while reducing maintenance costs.
The catalog details engineering aspects such as bearing types, metric system tolerances, and installation procedures, emphasizing proper mounting, fitting, and lubrication for optimal performance and longevity.
Timken's spherical roller bearings are engineered for increased performance and uptime, featuring optimized internal geometries and surface finishes for longer life and lower operating costs.
Timken's bearings incorporate advanced design features like hardened cages and optimized roller guidance, reducing friction and improving reliability. Comparisons with competitors showcase superior performance in terms of operating temperature and speed.
The catalog includes a comprehensive list of accessories for both metric and inch systems, such as adapter sleeves, hydraulic nuts, and locknuts, designed to complement Timken's bearings in various industrial settings.
Timken's commitment to innovation and customer support is evident in their extensive research and development efforts, providing high-quality products and valuable services such as repair and technical support.
Timken provides an extensive portfolio of friction-management products and services, ensuring high-quality standards across all manufacturing plants. Their bearings are designed for various applications and industries.
Timken offers several types of bearings, including tapered roller bearings, cylindrical roller bearings, spherical roller bearings, thrust bearings, and ball bearings, each engineered to meet specific performance requirements.
Timken's housed units are designed to protect bearings in harsh environments, offering unique features for durability and performance.
Timken provides a range of lubricants and lubrication systems to enhance bearing performance and reduce maintenance costs.
Timken offers specialized bearing solutions like AquaSpexx®, DuraSpexx®, and thin dense chrome bearings for corrosion protection.
Timken's range includes seals, couplings, and engineered chains designed to withstand extreme conditions and protect machinery.
Timken provides tools and services to extend bearing life and simplify maintenance.
Timken offers training programs for plant professionals and ensures compliance with European REACH regulations for lubricants and greases.
Timken provides guidelines for the shelf life and storage of grease-lubricated bearings, emphasizing adherence to recommended practices to maintain product integrity.
Products should be placed into service promptly after removal from packaging, with specific storage conditions to maintain product integrity.
Excessive force should be avoided during mounting or dismounting, and proper alignment is crucial.
The catalog provides analysis tools and data for product selection, but suitability must be validated by the user.
The catalog covers spherical roller bearing design types, cage designs, fitting practices, and lubrication recommendations.
Spherical roller bearings are manufactured to specific tolerances for dimensions such as bore and width.
This document provides detailed specifications for Timken spherical roller bearings, including measurements for various bore sizes and their corresponding axial displacement values.
The document outlines a step-by-step procedure for mounting, fitting, setting, and installing spherical roller bearings.
Examples are provided to illustrate the calculation of RIC reduction using spherical roller bearings with tapered and cylindrical bores.
The document describes the heat expansion method for installing cylindrical bore bearings.
Recommendations include consulting a Timken sales engineer for specific shaft materials or thin-walled shafts.
1. Bearings should be heated for 20-30 minutes until they expand enough to slide onto the shaft easily.
2. Trial runs are necessary to determine proper timing for heating.
1. Cleanliness is crucial; use protective screens and clean cloths.
2. Plan the work in advance and have necessary tools ready.
1. Never apply pressure to the outer ring for a shaft press fit or to the inner ring for a housing press fit.
1. Tables provide guidelines for shaft and housing fits based on operating conditions.
The document provides guidelines for specifying shaft and housing fits for Timken® spherical roller bearings.
Bearings operate across a wide range of temperatures, with specific limits based on material and lubricant constraints.
The document discusses the limitations of standard bearing steels and the effects of temperature on dimensional stability.
Lubrication is critical, especially at extreme temperatures.
Designers must consider temperature effects on equipment performance.
Tables provide recommendations for bearing component materials and their operating temperatures.
Heat generation in bearings is primarily due to elastohydrodynamic losses at roller/ring contacts.
The running torque of a bearing depends on load, speed, lubrication, and internal characteristics.
Lubrication minimizes rolling resistance and sliding friction, transfers heat, and protects against corrosion.
Petroleum and synthetic oils are used for lubrication, with synthetic oils offering better performance at extreme temperatures.
General-purpose rust and oxidation inhibited oils are common for industrial applications.
The document discusses the importance of selecting the appropriate viscosity grade for lubricants based on temperature and speed conditions.
Polyurea as a thickener has been highlighted as a significant development in lubrication.
At low temperatures, starting torque in grease-lubricated bearings can be critical.
Greases are composed of base oil, thickening agents, and additives.
Contamination from abrasive particles and water can significantly reduce bearing life.
The selection of grease depends on its physical and chemical properties, application, and environmental conditions.
Guidelines emphasize the importance of using the correct amount of grease and ensuring regular relubrication.
Grease consistency varies from semi-fluid to solid, measured by penetration number using a penetrometer.
A compatibility chart is provided to determine the best choice of grease types for different applications.
Polyurea and lithium-based greases are preferred for general-purpose lubrication.
Suitable for various Timken bearing applications, these greases should be smooth, homogeneous, and free from corrosive materials.
For high-speed applications, lighter base oil viscosity is recommended.
This speed is based on thermal equilibrium under specific conditions.
This speed considers cage behavior and is based on predicted cage life under reference conditions.
Timken's spherical roller bearings are designed for high radial loads and consistent performance under misalignment and extreme conditions.
This document is a technical catalog for Timken® Spherical Roller Bearings, detailing various specifications, modifications, and technical data for different bearing models.
The catalog lists bearing part numbers along with their dimensions, dynamic and static load ratings, and maximum fillet radius.
The document includes a list of modification codes describing specific features or enhancements.
The catalog provides technical data on shaft and housing fits, internal clearances, and tolerances.
Each bearing model is accompanied by its dynamic and static load ratings, thermal reference speed, and limiting speed.
The document advises consulting Timken sales engineers for the latest availability and information on selected bearings.
The catalog serves as a comprehensive guide for selecting the appropriate Timken spherical roller bearings based on specific application requirements.
This document is a technical catalog for Timken® Spherical Roller Bearings, detailing specifications, procedures, and recommendations for various bearing models.
The catalog provides detailed specifications for each bearing part number, including bore diameter, outer diameter, width, dynamic and static load ratings, and maximum fillet radius.
Each bearing is rated for dynamic and static loads, with values provided in kilonewtons (kN) and pounds-force (lbf).
The document specifies thermal reference speeds and limiting speeds for each bearing.
Bearings are available with a tapered bore for adapter-type mounting.
Additional technical data, including shaft and housing fits, internal clearances, and tolerances, are available in the engineering section of the catalog.
The document recommends consulting the engineering manual for instructions on using load factors and geometry constants.
The document is a technical catalog for Timken® Spherical Roller Bearings, detailing specifications, procedures, and recommendations for various bearing models.
The catalog provides detailed specifications for each bearing part number, including bore diameter, outer diameter, width, dynamic and static load ratings, and maximum fillet radius.
Instructions for using the bearings, such as shaft and housing fits, internal clearances, and tolerances, are found in the engineering section of the catalog.
The document advises consulting a Timken sales engineer for up-to-date information on bearing availability.
The tables provide key data such as dynamic and static load ratings in kN and lbf, speed references in RPM, and weight in kg and lbs.
The catalog includes sections on SNT Spherical Roller Bearing Plummer Blocks, detailing their design, construction, mounting, lubrication, seals, load ratings, and installation guides.
Timken's spherical roller bearing plummer blocks are designed for high performance in heavy-duty applications.
The plummer blocks are available with either tapered bore bearings with adapters for straight shafts or cylindrical bore bearings for shouldered shafts.
Spherical roller bearing plummer blocks can be mounted on straight shafts using tapered bore bearings and adapter assemblies.
Timken offers multiple sealing options for SNT plummer blocks, including double-lip, V-ring, labyrinth, and taconite seals.
The plummer blocks are designed for grease lubrication but can be modified for oil-bath and circulating oil systems.
Detailed installation instructions are provided for mounting housings with double-lip seals.
Load ratings for the spherical roller bearings are provided in the catalog, and life calculation formulas are available in the Engineering Manual.
- Ensure the work area is clean and the shaft seat is dimensionally accurate and free from imperfections.
- Fill the bearing completely with grease and distribute the remainder in the housing.
- Similar to labyrinth seals, but includes additional steps for V-ring and sealing washer arrangement.
- Follow similar steps as above, with specific instructions for taconite seals.
- For normal applications, fill bearing void to 100% and housing void to 40-60%.
- Proper maintenance and handling are critical to avoid risks of injury or equipment damage.
- Detailed torque specifications for cap and attachment bolts are provided in a table.
- Refer to the Timken Industrial Maintenance Manual for further guidance.
This document is a technical catalog from Timken® focusing on spherical roller bearing plummer blocks, specifically the SNT and FSNT housings for tapered bore bearings.
The catalog lists various models of SNT and FSNT housings, each with specific dimensions and components.
Each housing includes a cap, base, and cap bolts.
The document outlines the minimum requirements for locating rings and the assembly of adapter sleeves.
The catalog includes extensive tables listing the dimensions and specifications for each housing model.
This catalog serves as a comprehensive guide for selecting and ordering Timken® spherical roller bearing plummer blocks.
This document is a technical catalog from Timken® detailing specifications for spherical roller bearing plummer blocks, specifically focusing on FSNT housings for tapered bore bearings and SNT housings for cylindrical bore bearings.
- Specifications: The document provides detailed specifications for various FSNT and SNT housing models.
- Components and Assembly: Each housing assembly includes a housing cap, base, and cap bolts.
- Seals and Covers: The document details the types of seals available for each housing model.
- Tables and Data: The document contains extensive tables listing the dimensions and specifications for each housing model.
- Material Options: Housing assemblies can be customized by material type.
- Component Compatibility: The document emphasizes the importance of selecting the correct components for each housing model.
- Assembly Instructions: Detailed instructions are provided for assembling the housings.
This document is a technical catalog from Timken, detailing specifications and components for SNT and FSNT spherical roller bearing plummer blocks.
The catalog lists various models of SNT and FSNT housings, specifying shaft diameters, housing dimensions, and mass.
The document outlines the components included with each housing, such as the housing cap, base, and cap bolts.
The document advises on the minimum number of locating rings required for fixed positions.
The tables provide detailed measurements for each housing model.
This catalog serves as a comprehensive guide for selecting and ordering Timken spherical roller bearing plummer blocks.
Timken supplies spherical roller bearing pillow blocks with either tapered bore bearings with adapters for straight shafts or cylindrical bore bearings for shouldered shafts.
Spherical roller bearing pillow blocks are typically mounted on straight shafts using a tapered bore bearing and adapter assembly.
Timken pillow blocks are designed for grease and oil-bath lubrication, with options for circulating oil or oil/air-mist systems.
Load ratings for spherical roller bearings are provided in dimension tables.
The catalog provides detailed specifications for various series, including SAF225 and SAF226.
This document is a technical catalog for Timken® Spherical Roller Bearing Pillow Blocks, specifically focusing on the SAF and SDAF series.
- The catalog lists various pillow block assemblies with standard and non-standard shaft sizes.
- Each assembly includes components such as the housing cap and base, cap bolts, bearing, bearing adapter, locknut, lockwasher, stabilizing ring, and triple-ring seals.
- Assemblies are available in cast iron, with options for cast steel or ductile iron.
- Four-bolt bases are standard unless otherwise noted.
- To order a complete pillow block assembly, use the basic number listed in the tables.
- If only the housing is required, use the numbers in the 'Housing Only' column.
- For fixed units, the stabilizing ring is used, while for float units, the suffix 'Float' or 'FL' should be added to the part number.
- Refer to page 160, table 32 for suggested shaft diameter S-1 tolerances.
- Stabilizing rings are used for fixed (FX) blocks and should not be used for float (FL) mounting.
- The tables provide detailed dimensions and weights for each assembly.
- Adapter assembly numbers include sleeve, locknut, and lockwasher, with shaft size added to the order.
- Ensure correct specification of shaft size and material type when ordering to meet application requirements.
- Consider the mounting type (fixed or float) and use the appropriate stabilizing ring or suffix.
The document provides detailed specifications for Timken® spherical roller bearing accessories, including adapter sleeves, locknuts, lockwashers, and withdrawal sleeves.
The installation procedure for DUSTAC™ shaft seals is described, emphasizing the importance of checking shaft diameters, removing burrs, and ensuring cleanliness.
The document highlights the use of DUSTAC™ shaft seals in contaminated environments.
Several tables provide key data, such as the dimensions and part numbers for pillow block housings, DUSTAC seal assemblies, and adapter sleeves.
The document details various accessories for spherical roller bearings, including hydraulic nuts, locknuts, and locking devices.
Instructions for installing and maintaining the bearings and seals are provided.
The document serves as a comprehensive guide for selecting, installing, and maintaining Timken® spherical roller bearing accessories.
This document is an excerpt from the TIMKEN® Spherical Roller Bearing Catalog, focusing on Metric AH and AOH Hydraulic Withdrawal Sleeves.
The document provides detailed specifications for various withdrawal sleeves.
The document notes that the dimension L1 decreases as the withdrawal sleeve is driven in during mounting.
For effective dismounting, it is recommended to consult a Timken sales engineer for additional dimensions.
The tables list various withdrawal sleeve part numbers along with their corresponding specifications.
The document serves as a technical guide for selecting and using withdrawal sleeves in spherical roller bearing applications.
The document is a technical catalog from Timken, detailing specifications and instructions for spherical roller bearing accessories.
The document provides detailed specifications for hydraulic withdrawal sleeves and hydraulic nuts.
Instructions are provided for using hydraulic nuts.
The document emphasizes the importance of proper maintenance and handling practices.
The tables list part numbers, dimensions, and weights for various hydraulic withdrawal sleeves and nuts.
The document highlights the critical nature of following installation instructions and maintaining proper lubrication.
This document is a technical catalog from Timken, detailing spherical roller bearing accessories, specifically focusing on metric and inch locknuts, lockwashers, and lockplates.
The catalog lists metric locknuts with specifications such as thread size, dimensions, and weight.
Lockwashers are detailed with specifications including thread size, dimensions, and weight per 100 pieces.
Specifications for lockplates include dimensions and weight per 100 pieces.
The catalog provides details on SNW/SNP pull-type sleeve assemblies.
The document emphasizes the availability of components in stainless steel and the importance of correct sizing for assembly.
Catalog excerpts
® 12-18 Order No. 10446 | Timken is a registered trademark of The Timken Company. | © 2018 The Timken Company TIMKEN® SPHERICAL ROLLER BEARING CATALOG To view more Timken catalogs, go to www.timken.com/catalogs for interactive versions, or to download a catalog app for your smart phone or mobile device scan the QR code or go to timkencatalogs.squawqr.com. TIMKEN® SPHERICAL ROLLER BEARING CATALOG 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 bearings, gear drives, automated lubrication systems, belts, brakes, clutches, chain, couplings, linear motion products and related power transmission rebuild and repair services.
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TIMKEN OVERVIEW SPHERICAL ROLLER BEARING CATALOG INDEX TIMKEN OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SHELF LIFE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 ENGINEERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Bearing Types and Cages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Metric System Tolerances. . ....
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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 bearings and gearboxes, roller chain for dry, abrasive...
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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, on-site technical support and industrial services for inspecting, repairing and upgrading gearboxes, electric motors and controls. 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...
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SPHERICAL ROLLER BEARING INTRODUCTION INDUSTRIAL INNOVATOR Today, manufacturing and support at their plants, and processing equipment handle options for additional support from heavier loads, faster speeds and application engineers who specialize greater expectations than ever before. in a variety of industrial applications. As finished-product quality requirements increase, producers continue to place a very high CORE CAPABILITIES premium on equipment uptime and performance. Timken has evolved from its early roots as a bearing Timken has more than a century of experience developing producer...
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SPHERICAL ROLLER BEARING INTRODUCTION INCREASED PERFORMANCE AND UPTIME LONGER BEARING LIFE LOWER OPERATING COSTS TIMKEN. LEADING SPHERICAL ROLLER BEARING TECHNOLOGY, PERFORMANCE Timken has set the standard for spherical roller bearing technology – resulting in bearings that offer increased performance and uptime, longer life and lower operating costs. Industry best design practices led to the development of optimized internal geometries and surface finishes, and improved cage and roller piloting design – resulting in bearings that run cooler, faster, and longer than the competition. With a significant...
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SPHERICAL ROLLER BEARING INTRODUCTION ADVANCED BEARING AND CAGE DESIGN Type EJ Bearing Design Increased Performance Stronger Results Above pitch cage design increases cage stiffness. Reduces stress under shock loading or high acceleration conditions. Cage pocket guides roller.* Eliminates the need for a center guide ring – reducing friction and lowering bearing operating temperatures. Hardened cage on all sizes.* Provides wear resistance and fatigue strength at higher levels. Face slots in cage.* Provides better oil lubricant flow and contaminant purging, and reduces weight. Better able to handle...
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BROADEST RANGE IN THE INDUSTRY, 25MM BORE TO 1250MM BORE Timken offers the broadest range of sizes in both steel cage and brass cage designs for spherical roller bearings. TIMKEN® SPHERICAL ROLLER BEARING CATALOG 7
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PRODUCTS AND SERVICES We offer equipment builders and operators one of the most extensive friction-management product and service portfolios in the industry. We also strictly adhere to the Timken Quality Management System in every plant worldwide, so each bearing product meets the same high quality standards - no matter where in the world it is manufactured. BEARINGS Putting advanced ideas in motion for more than a century has led to our best-in-class collection of bearings designed for every purpose, every application and every industry. If it moves, chances are we've played a role in the technology...
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BALL BEARINGS From electric motors to agricultural implements to food processing equipment, Timken ball bearings are engineered to perform in a wide range of applications and conditions. • Radial ball bearings tolerate relatively high-speed operation under various load conditions • Angular contact ball bearing designs include contact angles that support both radial and axial loads HOUSED UNITS Maintaining critical uptime can require more durable, heavy-duty components capable of protecting spherical, tapered and ball bearings in debris-filled, contaminated or high-moisture environments. Timken...
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HIGH-PERFORMANCE BEARING SOLUTIONS Timken provides a variety of high-performance bearing solutions, including Timken® AquaSpexx®, DuraSpexx® and thin dense chrome bearings for corrosion protection. Our debris-resistant bearings are ideal for contaminated and/or marginal lubrication conditions. We also provide customized bearing solutions such as special 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...
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