SKF spherical plain bearings and rod ends

1 SKF spherical plain bearings and rod ends SKF is a registered trademark of the SKF Group. SKF Group 2011. The contents of this catalogue are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission is granted. Every care has been taken to ensure the accuracy of the information contained in this catalogue but no liability can be accepted for any loss or damage whether direct, indirect or consequential arising out of the use of the information contained herein. PUB BU/P1 06116/1 EN September 2011. This publication supersedes publication 4407/II E. Principles of selection and application.

2 25 1. Radial spherical plain bearings requiring maintenance .. 99 2. Maintenance-free radial spherical plain bearings .. 125 3. Angular contact spherical plain bearings .. 151 4. Thrust spherical plain bearings .. 159 5. Rod ends requiring maintenance .. 167 6. Maintenance-free rod ends .. 189 7. Other SKF plain bearings and special solutions .. 207 8. Product index .. 213 9. 1. Contents Foreword .. 5. Unit 7. SKF the knowledge engineering 8. General product information .. 13. 1 Principles of selection and application .. 25. Selection of bearing type .. 27. Selection of bearing size .. 38. Friction .. 69. Design of bearing arrangements.

3 70. Lubrication .. 84. Relubrication .. 90. Mounting .. 92. Dismounting .. 96. 2 Radial spherical plain bearings requiring maintenance .. 99. Product tables Radial spherical plain bearings , steel/steel, metric sizes .. 104. Radial spherical plain bearings , steel/steel, inch sizes .. 110. Radial spherical plain bearings with an extended inner ring, steel/steel, metric sizes .. 116. Radial spherical plain bearings with an extended inner ring, steel/steel, inch sizes .. 120. 3 Maintenance-free radial spherical plain bearings .. 125. Product tables Maintenance-free radial spherical plain bearings , steel/PTFE sintered bronze, metric sizes.

4 132. Maintenance-free radial spherical plain bearings , steel/PTFE fabric, metric 134. Maintenance-free radial spherical plain bearings , steel/PTFE fabric, inch sizes .. 140. Maintenance-free radial spherical plain bearings , steel/PTFE FRP, metric sizes .. 144. 4 Angular contact spherical plain 151. Product tables Maintenance-free angular contact spherical plain bearings , steel/PTFE FRP .. 156. 5 Thrust spherical plain 159. Product tables Maintenance-free thrust spherical plain bearings , steel/PTFE FRP .. 164. 2. 6 Rod ends requiring 167. Product tables Rod ends with a female thread, 172. Rod ends with a female thread, for hydraulic cylinders, 174.

5 Rod ends with a male thread, steel/steel .. 178. Rod ends with a cylindrical section welding shank, steel/steel .. 180. Rod ends with a rectangular section welding shank, steel/steel .. 182. Rod ends with a female thread, steel/bronze .. 184. Rod ends with a male thread, 186. 7 Maintenance-free rod 189. Product tables Maintenance-free rod ends with a female thread, steel/PTFE sintered bronze .. 194. Maintenance-free rod ends with a male thread, steel/PTFE sintered bronze .. 196. Maintenance-free rod ends with a female thread, steel/PTFE fabric .. 198. Maintenance-free rod ends with a male thread, steel/PTFE fabric.

6 200. Maintenance-free rod ends with a female thread, steel/PTFE FRP .. 202. Maintenance-free rod ends with a male thread, steel/PTFE FRP .. 204. 8 Other SKF products and services .. 207. 9 Product 213. 3. The SKF brand now stands for more than ever before, and means more to you as a valued customer. While SKF maintains its leadership as a high- quality bearing manufacturer throughout the world, new dimensions in technical advances, product support and services have evolved SKF. into a truly solutions-oriented supplier, creating greater value for customers. These solutions enable customers to improve productivity, not only with breakthrough application-specific products, but also through leading-edge design simulation tools and consultancy services, plant asset efficiency maintenance programmes, and the industry's most advanced supply management techniques.

7 The SKF brand still stands for the very best in rolling bearings , but it now stands for much more. SKF the knowledge engineering company 4. Foreword Many applications require bearings that are have been included for radial spherical plain suitable for oscillating movements and that can bearings : accommodate misalignment. Rolling bearings only partly fulfil these requirements as they are bearings in the TX series have been added generally designed for continuous rotation and and are available with bore diameters up to can only accommodate limited misalignment. 800 mm. Therefore, SKF manufactures spherical plain bearings in the maintenance-free series are bearings and rod ends to provide an economical fitted with LS seals as standard.

8 Solution to these challenges. bearings with the sliding material FSA have This catalogue presents the current assort- been replaced by the FBAS design. ment of SKF spherical plain bearings and rod bearings requiring maintenance are also ends. available with LS seals. Part of the inch assortment is also available Structure of the catalogue with LS seals. The catalogue starts with general product infor- mation, followed by nine main chapters, which SKF reserves the right to make continuing are marked with numbered blue tabs in the right improvements to SKF products with respect to margin: materials, design and manufacturing methods, as well as changes necessitated by technological Chapter 1 provides design and application developments.

9 Recommendations. The units used in this catalogue are in accord- Chapters 2 to 7 describe the various bearing ance with ISO (International Organization for and rod end types. Each chapter contains Standardization) standard 1000:1992, and SI. descriptions of the products as well as prod- (Syst me International d'Unit s). Unit conver- uct tables, listing data for selecting a bearing sions are listed in the table on page 7. or rod end and designing the bearing arrangement. Other SKF catalogues Chapter 8 is an overview about other SKF The total SKF product portfolio is much broader products and services. than just spherical plain bearings and rod ends.

10 In chapter 9, all products presented in this Product information is also available via the SKF. catalogue are listed in alphabetical order by website at The SKF Interactive designation. Engineering Catalogue provides not only product information, but also online calculation tools, About the data in this catalogue CAD drawings in various formats, and search The data in this catalogue relate to SKF's state- and selection functions. of-the-art technology and production capabil The main printed SKF catalogues are: ities as of beginning 2010. The data may differ from that shown in earlier catalogues because General catalogue of revised methods of calculation, redesign or Needle roller bearings technological developments.