*mydirectindustry

Catalogs
TIMKEN Europe
Timken® SNT Plummer Block Catalog

Timken® SNT Plummer Block Catalog

Product catalog summary

Timken Overview
Timken is a global leader in metallurgy, friction management, and mechanical power transmission, offering products and services that enhance productivity across industries such as manufacturing, mining, aerospace, and transportation. Their offerings include drivetrain kits, housings, couplings, repair services, and steel products.

Housed Unit Introduction
Timken housed units protect bearings in harsh environments and are available with ball, tapered, and spherical bearings. They can be customized with seals, lubricants, and housing covers, conforming to industry standards for easy interchangeability.

SNT Plummer Block Introduction
Timken SNT plummer blocks are designed for heavy loads, featuring a split-block design for easy installation and maintenance, with various sealing options to protect against contamination.

Seals and Lubrication
Timken offers a range of seals and lubricants to enhance housed unit performance and longevity, with detailed information on seal types and applications.

Installation Guides and Product Data
The catalog includes installation guides for SNT plummer blocks and detailed product data tables to assist in selecting the right products for specific applications.

Shelf Life Policy
Timken provides guidelines for the shelf life of grease-lubricated bearings and components, emphasizing adherence to guidelines to maximize shelf life.

Storage Guidelines for Grease-Lubricated Bearings

Keep products in original packaging until ready for use.
Avoid damaging packaging and reseal bulk containers immediately after removing products.
Do not use products beyond their shelf life.
Maintain storage temperature between 0°C and 40°C and humidity below 60%.
Keep storage area free from contaminants and vibrations.

Handling and Installation Warnings

Follow manufacturer’s installation and maintenance guidelines.
Avoid excessive force and ensure proper alignment during installation.
Do not operate bearings above 121°C.
Special care is needed in explosive atmospheres.

Timken SNT Plummer Blocks

Available in cast iron, ductile iron, or cast steel with customizable components.
Features include center marks for alignment and various sealing options.
Suitable for industries like power generation, mining, and food processing.

Engineering and Design

Includes spherical roller bearing design types and mounting recommendations.
Different cage designs for bearings based on size and application.
Metric system tolerances and specifications are provided for bearing selection.

Specifications and Procedures
The document provides detailed specifications and procedures for mounting tapered bore bearings, focusing on axial displacement values and necessary adjustments for sleeve mounting. It emphasizes consulting with a Timken engineer for specific shaft data and highlights the need for cleanliness and proper planning during installation.

Key Recommendations
1. Ensure a clean environment free from dust and moisture during installation.
2. Use protective screens and clean cloths to maintain cleanliness.
3. Plan the work in advance and have necessary tools ready to reduce job time and contamination risk.
4. Inspect and prepare all component parts thoroughly before proceeding.

Installation Guidelines
The document outlines the installation process for cylindrical and tapered bore bearings, including the heat expansion method and the arbor press method, with specific instructions on heating bearings using oil baths or induction heating.

Safety Warnings
1. Proper maintenance and handling practices are critical to avoid injury.
2. Never spin a bearing with compressed air.
3. Remove oil or rust inhibitors before heating to prevent fire and fumes.

Example Calculations
The document includes examples of calculating the reduction in radial internal clearance (RIC) using spherical roller bearings with both tapered and cylindrical bores.

Additional Notes
1. Never attempt a press fit by applying pressure to the outer ring or a press fit in a housing by applying pressure to the inner ring.
2. Use a feeler gauge to measure RIC before installation and ensure the proper amount of reduction is obtained during mounting.

Conclusion
The document serves as a comprehensive guide for the installation and maintenance of tapered bore bearings, emphasizing precision, cleanliness, and adherence to specified procedures for optimal performance and safety.

Specifications and Tolerances
The document provides detailed specifications for nominal bearing bores and their corresponding shaft diameters, fits, and tolerances, emphasizing the importance of precise measurements in bearing applications.

Fitting Practice Tables
The fitting practice tables serve as guidelines for specifying shaft and housing fits related to specific operating conditions, ensuring the correct fit and function of bearings.

Lubrication
Lubrication is essential for maintaining the antifriction characteristics of bearings. The document discusses the advantages of using oil and grease, highlighting that oil is preferred for high-speed applications due to its ability to carry away heat.

Grease Composition and Characteristics
The document details the composition of lubricating greases, explaining the properties of different thickeners and their suitability for various industrial applications.

Base Oils
Base oils are categorized into petroleum and synthetic types, with synthetic oils offering better performance at extreme temperatures and longer lubricant life.

Viscosity Considerations
Viscosity is a critical factor in selecting the appropriate oil for bearing applications, with comparisons of ISO/ASTM viscosity grades and SAE classifications provided.

Viscosity Classification Comparison
This section provides a comparison of viscosity classifications, emphasizing the need for proper maintenance and handling practices to avoid risks of injury.

ISO/ASTM Viscosity System
The document outlines the ISO/ASTM viscosity grade system for industrial oils, detailing the viscosity ranges for different grades.

Consistency of Greases
Grease consistency varies from semi-fluid to solid grades, with the NLGI classification provided.

Low and High Temperature Considerations
At low temperatures, starting torque in grease-lubricated bearings can be critical, and synthetic greases are recommended for wide temperature ranges.

Contamination
Contamination from abrasive particles and water can significantly affect bearing life, with recommendations for using water-resistant greases in certain conditions.

Grease Selection and Performance Enhancing Additives
The selection of grease depends on its physical and chemical properties, application, and environmental conditions.

Grease Use Guidelines
Proper grease application is crucial, with recommendations to keep the bearing cavity one-third to one-half full to avoid excessive heat generation.

Timken Grease Products
Timken offers a range of lubricants designed for demanding industrial operations, with specific products for various applications and environments.

Specifications and Procedures
Timken's SNT Split Plummer Blocks are designed for use with spherical roller bearings and are suitable for various industrial applications.

Grease Properties and Recommendations
The document specifies the properties of lithium soap, lithium complex, and calcium sulfonate greases, recommending their use for centralized, single-point, or manually lubricated products.

Product Data and Design
SNT plummer blocks are constructed from rugged materials like cast iron, ductile iron, or steel, and are designed to meet demanding industrial requirements.

Mounting and Installation
The document provides detailed instructions for mounting spherical roller bearing plummer blocks, either on straight or tapered shafts.

Lubrication and Seals
Timken plummer blocks are primarily designed for grease lubrication but can be modified for oil-based systems.

Overview of Seal Types
1. V-Ring Seals: Suitable for moderately contaminated environments.
2. Labyrinth Seals: Ideal for high-speed applications.
3. Taconite Seals: Designed for highly contaminated environments.

Seal Selection Criteria
Criteria include material, temperature range, maximum speed, lubrication, resistance, and misalignment tolerance.

Installation Procedures
General instructions for installing various seal types, emphasizing cleanliness and proper alignment.

Safety and Maintenance
Proper maintenance and handling are crucial to prevent risks of injury or equipment failure.

Overview
This document is a technical catalog for Timken® SNT Plummer Blocks, providing detailed specifications, installation guidelines, and maintenance instructions.

Safety Warnings

Do not use damaged housed units to prevent equipment damage or injury.
Use mild steel bars for installation or removal to avoid high-speed fragment release.

Grease Fill Recommendations

Normal applications: Fill bearing void to 100% and housing void to 40-60%.
Low-speed applications: Fill bearing void to 100% and housing void to 60-100%.
High-speed applications: Fill bearing void to 100% and housing void to 30-40%.

Tightening Torque Specifications
The document provides a detailed table of tightening torques for cap bolts and attachment bolts.

Housing and Bearing Specifications

Includes detailed tables listing shaft diameters, housing dimensions, and required components.
Housings are available in cast iron, with options for cast steel or ductile iron.

Additional References
Users are directed to the Timken Industrial Maintenance Manual and the Timken Spherical Roller Bearing Catalog for further information.

Disclaimer
The document emphasizes that the information provided is not a substitute for specific recommendations from equipment suppliers.

Overview
The document is a catalog from TIMKEN® detailing specifications for SNT and FSNT plummer block housings designed for tapered bore bearings.

Specifications
The catalog provides detailed specifications for various shaft diameters, housing type, bearing type, and seal types.

Materials
The housings are primarily made of cast iron, with options for cast steel and ductile iron.

Components
Each housing assembly includes a housing cap, base, and cap bolts, with additional components like seals and end covers sold separately.

Key Features
The document emphasizes the modular nature of the housing assemblies, allowing for customization.

Usage Recommendations
The catalog suggests using the appropriate seals and components to ensure optimal performance and longevity.

Overview
The document is a catalog from Timken, focusing on SNT Plummer Block Housings and Spherical Roller Bearings.

Key Sections

Specifications: Lists various models of fixed and float housing units with detailed dimensions and part numbers.
Metric Shaft Diameters: Provides suggested metric shaft diameters for use with adapter sleeves.
Spherical Roller Bearing Product Data: Outlines the characteristics of Timken's spherical roller bearings.
Bearing Series Details: Provides detailed tables for the 213 and 222 series bearings.

Critical Information

Load Ratings: Specifies dynamic and static load ratings for each bearing.
Mounting and Clearance: Information on tapered bore bearings for adapter-type mounting.
Technical Support: Timken offers comprehensive technical support.

Conclusion
The catalog serves as a comprehensive guide for selecting and understanding Timken's SNT Plummer Block Housings and Spherical Roller Bearings.

Overview
The document provides detailed information on roller bearing accessories manufactured by Timken.

Specifications
Accessories include hydraulic assist options and are manufactured to the same quality standards as Timken bearings.

Features and Benefits
The accessories support full installation and removal needs, minimizing damage risks.

Nomenclature
The document outlines the nomenclature for various accessories.

Adapter Sleeves
Timken adapter sleeves are used with nuts and locking devices to mount tapered bore bearings onto straight shafts.

Withdrawal Sleeves
These feature a push-type mounting arrangement and require a specially designed dismounting nut.

Locking Devices
Timken offers a range of locknuts and lockwashers to secure bearing assemblies on shafts.

Tables and Indexes
The document includes tables detailing the specifications of various sleeves and locking devices.

Overview
This document is a technical catalog from Timken, focusing on metric hydraulic adapter sleeves, locknuts, lockwashers, and lockplates.

Metric OH Hydraulic Adapter Sleeves
The catalog details the components included with each sleeve, such as the nut and lockwasher or lockplate.

Metric Locknuts
The section on locknuts includes a detailed table with specifications such as thread size, dimensions, and weight.

Metric Lockwashers
This section provides specifications for lockwashers, including dimensions, weight, and the number of tangs.

Metric Lockplates
The lockplates section includes a table detailing dimensions and weights.

Conclusion
The catalog serves as a comprehensive guide for selecting and using Timken's metric hydraulic adapter sleeves, locknuts, lockwashers, and lockplates.

Introduction
The document is a catalog from Timken, focusing on SNT Plummer Blocks and related accessories.

Sections Overview

Timken® SNT Plummer Blocks: Introduction to the product line.
SNT Spherical Roller Bearing Plummer Block Introduction: Detailed introduction to the spherical roller bearing plummer blocks.
Two-Bolt SNT Housings: Specifications for housings designed for both cylindrical and tapered bore bearings.
Large Plummer Block Housings – 3000 and 3100 Series: Information on larger housing series.
Metric Accessories: Index and details on various metric accessories.
SNT Spherical Roller Bearings Metric Accessories: Specific accessories related to spherical roller bearings.

Key Specifications and Accessories

Metric H Adapter Sleeves: Details on adapter sleeves used for metric applications.
Metric Locknuts, Lockwashers, and Lockplates: Specifications and usage of these components in securing bearings.
Metric OH Hydraulic Adapter Sleeves: Information on hydraulic adapter sleeves for metric applications.
Metric Shaft Diameters: Specifications related to shaft diameters for compatibility with various components.

Conclusion
The catalog serves as a comprehensive guide for selecting and understanding the various components and accessories offered by Timken for SNT Plummer Blocks and related applications.

Catalog excerpts

TIMKEN® SNT PLUMMER BLOCK CATALOG EJ EM/YM EM/YM EMB/YMB

Open the catalog to page 1

TIMKEN ® SNT PLUMMER BLOCK CATALOG INDEX Timken Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Housed Unit Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Shelf Life Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Engineering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 SNT Plummer Block Nomenclature....

Open the catalog to page 3

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 drivetrain 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 other...

Open the catalog to page 4

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 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 and applied...

Open the catalog to page 5

INTRODUCTION HOUSED UNIT OVERVIEW RUGGED TIMKEN® HOUSED UNITS HELP PROTECT YOUR BEARINGS When you choose sturdy Timken housings, your bearings can keep rolling smoothly, even in harsh environments impacted by dirt, debris, water and other contaminants. Timken engineers designed special housings to withstand tough challenges on the job. Protected inside durable cast iron, ductile iron or steel, our highly engineered Timken® ball and roller bearings work hard to help you manufacture and transport materials, without excessive maintenance due to contaminants. Choose from our selection of housed units...

Open the catalog to page 6

INTRODUCTION HOUSED UNIT OVERVIEW TIMKEN® SNT SPLIT PLUMMER BLOCKS CARRY HEAVY LOADS Timken® SNT split plummer blocks are available in metric sizes. Their rugged cast iron, ductile iron or cast steel designs stand up to a range of industrial environments. Our Timken SNT plummer blocks have separate, matched caps and bases. In larger sizes where plummer blocks are heavier, this split-block design eases installation. Remove the cap using a pry-tool slot for bearing inspection, service and replacement. Available in a variety of metric shaft sizes, Timken SNT plummer block units offer the choice...

Open the catalog to page 7

INTRODUCTION HOUSED UNIT OVERVIEW TIMKEN® SAF SPLIT PILLOW BLOCKS HANDLE HEAVY LOADS Timken® SAF split pillow blocks are available in imperial sizes. Their rugged cast iron, ductile iron or cast steel designs stand up to a range of industrial environments. Our Timken SAF blocks have separate, matched caps and bases. In larger sizes where pillow blocks are heavier, this split-block design eases installation. Remove the cap using a pry-tool slot for bearing inspection, service and replacement. Available in a variety of imperial shaft sizes, Timken SAF units offer the choice of tapered-bore design...

Open the catalog to page 8

INTRODUCTION HOUSED UNIT OVERVIEW TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK HOUSED UNITS WITHSTAND HARSH CONDITIONS Timken® spherical roller bearing solid-block housed units stand up to rugged conditions. Composed of solid steel, they withstand most falling debris and handle up to ±1.5 degrees of misalignment. The steel used in these products is up to two times stronger than cast iron, which may break or pound out in tough applications. Timken spherical roller bearing solid-block housed units come in five locking configurations: single and double set screws, eccentric locks for reversing applications,...

Open the catalog to page 9

INTRODUCTION HOUSED UNIT OVERVIEW TIMKEN® TYPE E HOUSED UNITS REPEL CONTAMINANTS, ENHANCE PERFORMANCE Timken® Type E tapered roller bearing housed units feature double-lip seals and locking collars that protect against water and other contaminants. This double-lip seal design blocks debris and retains grease better than single-lip or triple-lip seals, according to Timken 2012 laboratory tests. Its cast-iron exterior includes a corrosion-resistant electro-coat finish for the housing and collar offering a more durable shield than industry-standard powder coating or black oxide. Set screws with...

Open the catalog to page 10

INTRODUCTION HOUSED UNIT OVERVIEW TIMKEN® BALL HOUSED UNITS OFFER EASY INSTALLATION, FLEXIBLE OPTIONS Timken® ball housed units, available in a variety of sizes and types, feature wide-inner-ring ball bearings that provide additional shaft support and locking options. The Timken® wide-inner-ring ball bearing is designed for straight shafts and can be positioned without shoulders, locknuts or adapters. For easy installation, our ball housed units can be ordered pre-assembled with bearings, housings, seals and locking systems. Choose from pillow blocks, flanged cartridges, take-up units and cylindrical...

Open the catalog to page 11

TIMKEN HOW TO USE THIS CATALOG HOW TO USE THIS CATALOG We designed this catalog to help you find the Timken housed units best suited to your specifications. 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 fitting practices for shafts and housings, internal...

Open the catalog to page 12

Timken® SNT Plummer Block Catalog

Timken® SNT Plummer Block Catalog

Catalog excerpts

All TIMKEN Europe catalogs and technical brochures

Archived catalogs