Bearings and Bushings Reference Materials

Description: Located in the Leningradskaya region of Russia, Gazprom's Compressor Station Elizavetinskaya-1 is a key point of the Gryazovets-Vyborg Pipeline and provides gas to European consumers via the ...

Description: Although flexure bearings are recommended for radial loading applications, they can also be used for axial, moment or torsional loading applications. When used in radial load applications, the bearing ...

Description: If guide roller technology is the answer for the requirements and challenges of a particular application, there are several options for the equipment designer to choose from. Modern Linear offers a ...

Description: Bearing Applications ...

Description: Set-Screw Size and Tightening Torques ...

Description: For some parts, especially those that need frequent replacement, it makes sense to keep a stock of spares. For others, the price, size, or infrequency of replacement make keeping extras on hand ...

Description: The criteria for choosing one over the other are no different than choosing any other machine component: define system objectives, then consider factors such as load capacity, stiffness, accuracy, ...

Description: Bearing balls roll at high speed through the raceway formed by grooves in the inner and outer rings of a ball bearing assembly. In quality control, it is important to accurately evaluate the roughness ...

Description: Once relegated to storing console televisions and video cassettes, flipper and pocket doors have made a resurgence in space-saving designs. If you haven't considered or may be totally unfamiliar with, ...

Description: Proper lubrication prevents overheating, corrosion, and equipment breakdown. The correct amount of lubricant is important too. Too little doesn't provide enough coverage and too much can leak and ...

Description: Structural and Chemical Alterations in Transfer Films ...

Description: Designed to replace a greased bronze bearing in a key chassis component, the GGB solution includes a specially designed fiber reinforced composite bearing and dual-part axial thrust washer made of ...

Description: The customer needed a set of bearings that maintained an extreme precise angular accuracy of the center line of the shaft to the housing. The angular accuracy requirement was a non-repeatable error ...

Description: Tolerance tables and recommended fits. ...

Description: SKF has recently completed legal proceedings against a dealer of counterfeit bearings in Greece. Initiated in 2009, a total of 15 tons of counterfeit SKF bearings were seized as part of a raid at a ...

Description: Fake bearings are creating headaches for not only bearing manufacturers around the world, but also for the people conned into buying them. ...

Description: Bearings are another story. Bearings have to fit properly and they also have to be the ones we think we're buying. We choose certain brands for a reason ...

Description: Most motion applications are perfectly well-served by mechanical bearing guidance; but there are many cases where precision, angular repeatability, and geometric performance must be optimal or where ...

Description: While metal may seem like a more durable material than plain old plastic, igus® is proving that misconception false with its iglide® plastic bearings. Learn the truth about plastic and its ...

Description: Bearings design has sometimes led and sometimes reacted to changes in technology. One thing that hasn't changed is that wear on bearings has, and always will be the single biggest problem the ...

Description: A major Scandinavian steel producer with global operations recently installed the first section of a new roller cooling bed, for which it turned to GGB Bearing Technology for a bearing solution. ...

Description: Gothenburg, Sweden, 10 November, 2015: SKF has supplied magnetic bearings for use in the world’s first subsea gas compression system at the Ã...sgard gas field off the Norwegian coast. As part ...

Description: Gothenburg, Sweden, 13 April, 2015: SKF has recently in cooperation with SJ, the Swedish national rail operator, started to run SKF Insight on a railway vehicle. This pilot will demonstrate the ...

Description: Bearing lubrication methods are typically provided by either an oil or grease. Each lubrication method has specific cases where its use is preferred. Sean P. Kelly, Field Applications Engineer for NMB ...

Description: Modern Linear products incorporate the benefits of guide roller technology. Guide roller benefits are numerous compared to competing technologies. They are smooth, fast, quiet, and extremely durable. ...

Description: Comparing bearings life and other specifications. ...

Description: The efficiency of thin type bearings can be greatly affected by the precision of shaft and housing seats. The accuracy of the surrounding structure must be such that it will not adversely affect the ...

Description: Incorrect handling of a bearing can cause damage and shorten the life. The following shows typical causes and suggested remedies. ...

Description: A bearing can only perform to its full capacity when it is correctly fitted on the shaft and in the housing. Insufficient interference on fitting surfaces could cause bearing rings to creep in a ...

Description: Internal clearance is the play between outer ring, inner ring and rolling element. Generally, the amount of up and down movement of the outer ring with respect to the fixed inner ring is called the ...

Description: Problems, causes, and remedies for common noise issues. ...

Description: Video: how air bearings work. ...

Description: The top 7 air bearing myths. ...

Description: Most motion applications are perfectly well-served by mechanical bearing guidance; but there are many cases where precision, angular repeatability, and geometric performance must be optimal or where ...

Description: GGB EP™ injection-molded bearings provide Hobie Cat 16 with superior wear resistance and low friction over a wide range of conditions. ...

Description: Ferrum AG, Rupperswil, Switzerland, manufactures centrifuges for separating solids from liquids in a wide range of industrial processes, such as extracting de-icing and table salt from concentrated ...

Description: CHEMICAL COMPOSITION OF BEARING MATERIALS ...

Description: Frictional torque of rolling bearings varies under changing load and lubrication conditions. When grease is used as a lubricant, the grease resistance must be added to the bearing frictional torque. ...

Description: The first bridge to pivot on four self-aligning bearings, the Gateshead Millennium Bridge has both a fixed and a floating bearing found on either side of the river. DB™ maintenance-free bearings ...

Description: GGB Bearing Technology recently developed a new type of pintle bearing for refurbishment of the miter gates in the Panama Canal's lock system. ...

Description: When bearings rotate, the inner and outer rings and rolling elements are constantly loaded. This produces material fatigue and eventually bearing failure. The total number of revolutions before a ...

Description: Each bearing type has its own limiting speed. The theoretical speed that bearings can run at safely, even if heat generation by internal friction occurs, is called the maximum permissible speed. ...

Description: Tolerance, Class, Chamfer Dimension of Bearings ...

Description: Ultracomp composites replace stainless steel, extend service. ...

Description: The leading maker of ice cream treats was unable to meet production demands because of inconsistent speeds and frequent seizing of their conveyor systems. Whenever the conveyors stopped rolling, ...

Description: When a major manufacturer of vacuum chambers required a self-lubricating bearing to replace their failing metal components, we knew Rulon® bearings would fit the bill. Our Engineering Experts ...

Description: Learn about the benefits of plastic bearings, and how they deliver a longer service life than oil-impregnated sintered bronze bearings in this white paper. ...

Description: One of GGB's valued customers is Siemens VAI Metals Technologies; one of the global leaders for the metallurgical industry, offering tailored solutions for integrated steel and metallurgical ...

Description: Worldwide, GGB supplies nearly all major Tier-1 and Tier-2 suppliers in the automotive industry in addition to every major OEM. ...

Description: Modular track systems used for heavy equipment are subjected to enormous loads, both from the weight of the equipment itself, as well as shock impacts from traveling across inhospitable terrain. ATI ...

Description: GGB Bearing Technology's low-friction, self-lubricating bearings offer a complete solution for the fluid power industry. ...

Description: Brazil's Belo Monte Hydroelectric Dam is a complex of dams, numerous dykes and a series of canals supplying two different power stations with water. ...

Description: Founded in 1996, the Swiss-based medical technology company works closely with leading clinics and research centers to develop innovative therapy solutions. ...

Description: Bearing Preload is an axial or thrust load applied to a bearing that removes excess play. There are many ways to apply preload, as well as many benefits and potential problems with preload. This ...

Description: ABEC stands for Annular Bearing Engineering Committee. ABEC is part of the American Bearing Manufacturers Association, which acts as the official governing body of the bearing industry in the United ...

Description: Wait a Moment! Don't forget to consider moment loads when specifying thin section bearings. ...

Description: Thin section bearings help reduce total cost in a system by allowing for design efficiency over standard bearing sizes. ...

Description: Creating space and saving weight are also two key considerations when selecting thin section bearings. ...

Description: What is a moment load? A moment load is a tilting load that attempts to rotate the rings of a rolling element bearing in a rotational manner perpendicular to the designed rotational axis. ...

Description: The RJ type cage is suitable for larger bearings with a high load carrying capacity. The two pieces are riveted together and are strong enough to withstand higher levels of vibration and acceleration. ...

Description: How a $25 invenstment now can prevent tens of thousands of dollars in unplanned downtime. While the cost of linear bearings is low, their performance is essential to the accuracy, repeatability and ...

Description: The formula for determining the equivalent operating load (Feq) is important. Many engineers will just use the nominal operating load (F) when calculating the life of a ball screw but in extreme cases ...

Description: All air bearings ride on a thin film of gas which provides lubrication. In the case of aerodynamic or self-acting bearings, the air film is created by the relative motion of two mating surfaces ...

Description: 5 ways to choose the best linear guide for your application from the DryLin® W toolkit ...

Description: Plastic bearing linkages have some unique features and benefits that other solutions do not offer. ...

Description: Classification and Characteristics of Rolling Bearings ...

Description: Here are the top four reasons for replacing PTFE-lined bushings with plastic bushings, which offer more design flexibility. ...

Description: Linear rails typically come in lengths between six and 12 feet, but customers often ask: is it possible to make rails longer by butting them together? The answer is yes. ...

Description: In rotating and turntable applications using a slewing ring bearing, the component used to drive the system is important. ...

Description: Bearings can trace their origins back to the royal halls of ancient Egypt. The logs that were used to roll immense stone blocks for the pyramids were some of the earliest bearings. Bearings work ...

Description: I often hear about how a customer tried using plain bearings for a linear application, but experienced binding or irregular motion. With a little education, this is easy to avoid. ...

Description: Balls are one of the oldest mechanical devices, being found in bearings used on Roman ships constructed around 40 A.D. Yet new designs, manufacturing techniques and applications are continually being ...

Description: Using dry-running plastic bushings can significantly decrease any negative effects on the environment. ...

Description: This article explains how to properly handle bearings. Otherwise, it may lead to premature failure. ...

Description: I'm sure you've heard the saying, "The proof is in the pudding." But when it comes to self-lubricating plastic bearings, the proof is definitely in the plastic. ...

Description: Aerostatic Bearings shares many of the advantages of the aerodynamic bearing. In addition, it supports all of its designed load at zero speed. This effect results from its principal disadvantage: it ...

Description: Of the more important advantages which are offered by gas lubrication, the low viscosity of gases as compared with liquids can be exploited to special benefit. The extremely low static friction which ...

Description: For the lack of the right bearing, the kingdom of ever-faster microprocessors might have been lost. But this story has a happy ending. Technical achievements in microprocessor manufacturing, ...

Description: In most instances, when something is thicker, it's usually better - a thick, juicy piece of steak, especially thick socks to keep your feet warm on a cold day, or a shiny, thick coat of paint on a ...

Description: It goes without saying that it's extremely important for a bearing to meet the high standards of cleanliness and hygiene demanded by the packaging industry. ...

Description: Model shown at the NKE stand on the 2009 MDA trade fair in Hannover: Planetary bearing supports for a 1.5 MW wind turbine gearbox with one planetary gear stage. NKE AUSTRIA has developed a modular ...

Description: Slewing ring bearings are ideal for rotating and turntable-type applications. While understanding the design and performance capabilities of a slewing ring bearing is important, it is equally ...

Description: Ball bearings can be used in a variety of applications, from medical and aerospace technology, to packaging equipment, electronics, office technology, and even high-end yo-yoâ s. Since these ...

Description: While it may seem simple in the scheme of a large project, the manner in which a bearing is installed and quality tested is essential to the success of any mechanical system. If the installation of ...

Description: Spherical rod end bearings are ideal for facilitating rotary and linear motion in a wide variety of applications from packaging and agricultural equipment, to medical and exercise machinery. However, ...

Description: Previous installments of TechTalk have discussed how using plastic bearings can help reduce wear and how different types of shaft materials affect wear and bearing life. In this installment, Iâ ll be ...

Description: Today, machine and equipment manufacturers are feeling more pressure than ever to reduce costs without sacrificing machine performance and this balancing act can be difficult to achieve. Original ...

Description: Relationship of Bushing Length and Load Capacity: Longer bushing has more ball bearings, and the load on each ball bearing in contact will be smaller. This effect can be confirmed from the fact that ...

Description: Challenge: A tractor trailer manufacturer needed an actuator to pick and place large wall panels. Panels are large and relatively heavy, and the unit required a 24 foot travel. A contaminant concern ...

Description: The ball bearing cage (also known as a ball bearing retainer or ball separator -- these are used interchangeably), is the component in a ball bearing, that separates the balls, maintains the balls ...

Description: At first glance, ball bearings are relatively simple mechanisms. However, an analysis of their internal geometries reveals that they are quite complex. For example, the ball to raceway conformity, the ...

Description: Ball and roller bearings are available with different types of shields and seals. These are commonly referred to as closures. Closures can extend bearing life by preventing contaminants from reaching ...

Description: Lubrication plays a vital role in the performance and life of rolling element bearings. The most important task of the lubricant is to separate parts moving relative to one another (balls or rollers ...

Description: The bearing industry uses different materials for the production of the various bearing components. The materials are processed to achieve desirable properties to maximize bearing performance and ...

Description: In the United States, the American Bearing Manufacturers Association (ABMA) maintains the standards deemed necessary by its bearing industry member companies. This includes revising existing, or ...

Description: Kaydon has developed a new method for calculating the Dynamic Radial Load Rating for "Thin-Section" ball bearings. The new method uses the contact stress and the number of stress cycles per revolution ...

Description: Ball bearings need to be retained in three directions, radial, axial, and circumferential in relation to its housing and a shaft. The radial and circumferential direction retention is mainly based on ...

Description: Whether you want to design your own linear slide table system or buy one as a ready-made, off-the-shelf assembly, there are a wide variety of linear products available on the market today. Materials ...

Description: When starting work on a new project that requires motion control, one of the most important considerations is what bearings to use. It's easy to fall back on what you've been using for years instead ...

Description: Reducing costs is an important factor for many companies. The ability to use low-cost shafting heavily depends on the bearings chosen to run on it. For example, ball bearings require very hard (60HRC ...