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GGB-DB Self-Lubricating Bronze Bearings & Bushings Catalog

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GGB-DB Self-Lubricating Bronze Bearings & Bushings Catalog GGB-DB® SELF-LUBRICATING BRONZE BEARING SOLUTIONS Content The GGB Advantage 3 5 Forms and Dimensions 17 Quality / Certification 3 6 Installation 18 GGB History 4 7 Radial Bearings - Flanged Bushes 1 Introduction 6 - Thrust Washers 21 ® 1.1 GGB-DB Structure 6 ® 1.2 GGB-DB Properties 8 Spherical Bearings and Advantages 7 - Standard C Series 22 1.3 Applications 8 9 Spherical Bearings 1.4 Available Forms 9 - Standard E Series 24 ® 2 GGB-DB in Operation 10 10 Spherical Bearings ® 2.1 GGB-DB Solid Lubricants 11 - Standard G Series 25 2.2 Running-in Film GGB-DB® 11 11 Spherical Bearings 2.3 Wear and Friction Properties 11 - Standard H Series 26 3 Technical Data 12 ® Bearing Application Data Sheet 28 3.1 GGB-DB Standard Bronze Alloys 12 3.2 Fits and Tolerances 13 Product Information 29 3.3 Mating Material 13 Company History 30 ® 4 GGB-DB Design Factors 14 4.1 Specific Load 14 4.2 Sliding Speed 14 4.3 pU Factor 15 4.4 Material Selection 15 4.5 Lifetime Estimation 16 2 GGBEARINGS.COM I N T R O D U C T I O N GGB-DB® THE GGB ADVANTAGE With manufacturing facilities around the world, including cutting edge R&D facilities, flexible production platforms and extensive customer support networks, GGB offers unmatched technical expertise combined with razor sharp responsiveness and customized solutions. Our global presence and local logistics networks ensure our customers receive only the highest quality bearing solutions, in a timely manner and with extensive engineering support. We don’t just make products, we build partnerships. That’s the GGB Advantage. QUALITY / CERTIFICATION Our world-class manufacturing plants in the United States, Brazil, China, Germany, France and Slovakia are CERTIFIED IN QUALITY AND EXCELLENCE IN THE INDUSTRY according to ISO 9001, IATF 16949, ISO 14001 and OHSAS 18001. This allows us to access the industry’s best practices while aligning our quality management system with global standards. For a complete listing of our certifications, please visit our website: https://www.ggbearings.com/en/certificates THE TRIBOLOGICAL SERVICE PROVIDER FOR INDUSTRIAL PROGRESS, REGARDLESS OF SHAPE AND MATERIAL 3 A Long History of Innovation FROM OUR MODEST BEGINNINGS OVER 120 YEARS AGO, GGB GREW THROUGH INNOVATION AND TECHNICAL EXPERTISE TO BECOME THE WORLD’S LEADING MANUFACTURER OF PLAIN BEARING SOLUTIONS. 1970s Glacier licensed technology to a 1956 number of overseas bearing ® Inroduced DU , the world’s first manufacturers. Licenses included: 1899 steel backed metal-polymer bearing SIC (France), Garlock Bearings (USA). Findlay and Battle founded material with bronze and PTFE lining Findlay Motor Metals. offering excellent low friction and The company was renamed to wear resistance performance. Glacier Antifriction Metal Company Introduced DU-B with bronze backing two years later. for improved corrosion resistance. 1910s 1958 Began making plain bearings in Garlock Inc. was founded as a bearing response to increased demand distributor when an agreement was 1965 for internal combustion engines. reached with Glacier. Launched the marginally lubricated DX® metal-polymer material for greased applications. 2009 2013 Filament-wound product range Launched new 2007 self-lubricating metallic Introduced SBC (Sealed introduced to the European and 2010 bearing materials Bearing Cartridges) for Asian markets; Introduced lead-free DP10 GGB-CSM® an d GGB-CBM® off-highway equipment GGB North America certified to and DP11 metal-polymer as well as FLASH-CLICK® applications. Acquired AS9100B, the aerospace materials for superior two-piece, double-flanged Böhringer Kunststofftechnik industry’s standard for quality performance under solid polymer bearings. GmbH precision injection management systems. marginally lubricated and molder of high-performance dry running conditions. solid polymer solutions. 20 12 2004 2008 2011 DTS10® machinable Glacier Garlock Bearings changed name Production facility opened in Acquired PI Bearing Technologies, metal-polymer bearings are ® to GGB. Opened new manufacturing Suzhou, China; new DX 10 now GGB Chicago, a producer of launched for the fluid power ® plant Sučany, Slovakia bearings won Frost & Sullivan’s PICAL aluminum alloy bushing blocks and compressor markets. product innovation of the year for demanding fluid power applications. GGB bearings land on Mars award in the Class 7-8 truck GGB plants certified to OHS18001 for aboard NASA’s Curiosity rover. bearings category. health and safety management systems. 4 GGBEARINGS.COM 2003 1995 Introduced lead-free DP31 metal-polymer Introduced lead-free steel material with improved performance backed DP4 metal-polymer under lubricated conditions. Acquired material for automotive Saver North America, a producer of 1978 shock absorbers and other 1998 self-lubricating composite bearings. Introduced filament wound hydraulic applications. Manufacture of Glacier Garlock Bearings product range in the USA, Introduced DP4-B with plain bearings expanded business in Asia. including GAR-MAX®. bronze backing for improved exceeds one corrosion resistance. billion pieces per year 1976 2002 Glacier and Garlock Inc. 1996 Goodrich Corporation spun 1986 Launched new establish joint venture off its engineered industrial Launched HI-EX® range of EP® products division, creating company Garlock Bearings Inc. engineered metal-polymer material, EnPro Industries Inc., the plastic bearings designed for high new parent company of temperature applications Glacier Garlock Bearings. 201 5 Introduced HPMB®, a fully machinable, made-to-order 2018 filament wound bearing Introduced EP®30 material. solid polymer material Also introduced the lead-free for hydrodynamic GGB-SZ, for high specific loads applications. with low-frequency, oscillating motion. 201 4 2016 2019 Series of self-lubricating sintered Introduced GGB-SHB® Introduced UV-resistant bronze and sintered iron bearings case hardened steel bearings. EP®15 plastic bearing Introduced high introduced, including GGB-BP25, material temperature PyroSlideTM GGB-FP20 and GGB-SO16. plain bearing solutions Three plants mark milestone anniversaries: 40 years for Heilbronn, Germany and Dieuze, France Launched tribological TM and 10 years for Sucaˇny, Slovakia. TriboShield range of polymer coatings THE TRIBOLOGICAL SOLUTION PROVIDER FOR INDUSTRIAL PROGRESS, REGARDLESS OF SHAPE OR MATERIAL 5 1 Introduction Today's equipment and systems place enormous demands on bearing performance and economics. Not only are bearings expected to perform under increasingly challenging conditions with minimal to no maintenance, they are also expected to deliver greater reliability, longer service life and lower cost of ownership. Self-lubricating, maintenance-free GGB-DB® bearings are designed for applications with high specific loads, long dwell periods under static loading, and low sliding speeds, as well as applications that cannot be conventionally lubricated. In addition, they can be used to replace existing greased bearings. GGB brings more than 115 years of experience and accumulated expertise in self-lubricating bearings, offering extensive bearing materials and technical application knowledge across a wide range of industries. Our application engineering team can provide assistance in: — Selection of the optimal type of bearing for your application — Design with either standard or custom products — Calculation of estimated life expectancy — Assembly and installation GGB offers the most advanced bearing materials in the industry, supported by laboratory testing in state-of-the-art facilities, produced to the highest quality standard. 1.1 GGB-DB® STRUCTURE GGB-DB® bearings consist of a support structure cast from one of four 3 available high-quality bronze alloys. Embedded in this structure are solid lubricant inserts or plugs, providing continuous lubrication for low friction and wear rates and long service life. 2 The inserts, supplemented with an applied running-in film, are arranged for optimal distribution of the lubricant over the life of the 1 bearing. This structure provides an ultra-low coefficient of friction, maximum wear resistance, extended service and corrosion resistance, 1 Support (bronze) even in wet, dirty environments and exposure to seawater. 2 Solid lubricant insert The bronze alloy and lubricant selected for a particular bearing are 3 Sliding surface with running-in film based on the requirements of the specific application and operating conditions. 6 GGBEARINGS.COM 1.2 GGB-DB® PROPERTIES AND ADVANTAGES — Maintenance-free operation — High load capacity — Excellent performance under high loads and intermittent movements — Solid lubricant with superior performance — Low coefficient of friction — Negligible stick-slip effect — Low wear rate for long life It is recommended that the maximum permissible load be confirmed by testing under the operation conditions. PROPERTIES UNITS GGB-DB®-B GGB-DB®-C GGB-DB®-D Max. permissible static load p MPa 140 350 400 Max. permissible dynamic load p MPa 70 200 250 Max. sliding speed U m/s 0,5 Maximum pU MPa x m/s 1,0 1,0 1,5 Max. temperature °C 250 320 350 Min. temperature °C -100 Friction coefficient f (dry) 0,05 - 0,18 Min. shaft hardness HB 180 300 Shaft surface finish Ra (ground) µm 0,2 - 0,8 Table 1: GGB-DB® Properties THE TRIBOLOGICAL SOLUTION PROVIDER FOR INDUSTRIAL PROGRESS, REGARDLESS OF SHAPE OR MATERIAL 7 1.3 APPLICATIONS Potential applications for GGB-DB® bearings include but are not limited to hydromechanical equipment such as segment, miter and emergency gates, slewing rings, wind power components, large valves, heavy
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