The skf group is the worlds largest manufacturer of antifriction bearings and accessories with some 100 manufacturing sites worldwide and sales companies in 70 countries. This movement is either rotary shaft rotating within a. The bearing is a machine element which does the work of reducing friction between two moving parts to get the required motion. Types of bearings geometer discusses the various types of bearing in common use and gives examples of their use b earings are the means by which shafts are located, enabled to carry loads and transmit power. Bearing is defined by websters to be a support or supporting part a bearing is a component that allows for relative motion between parts your skeleton is the central structure that supports your. Skf bearing units typically consist of a housing, bearing, seal, lubricant and shaft locking mechanism. Bearing failures and their causes bearing, linear motion.
They are found in everything from inline skates to hard drives. Skf spherical roller thrust bearings for long lasting. Skf bearing housings and roller bearing units pub bup1 186en. Skf bearing maintenance handbook mechanical engineering. Bridge bearings types of bearings for bridge structures. Jul 15, 2014 bearings, their types and application 1. Bearing heaters use heat to expand the bearing s inner ring to shrink fit onto shafts. Nomenclature guide to common bearing types for reference use only.
Bearings are highly engineered, precision made components that enable machinery to move at extremely high speeds and carry remarkable loads with ease and efficiency. Jul 19, 2014 bearing basics and types of bearings the term bearing is derived from the verb to bear, a bearing being a machine element that allows one part to bear i. The application demands and operating conditions of rotating machinery are extremely diverse. In addition, we will feature one particular type the tapered roller bearing which has numerous fleet applications.
Bearing types cooper bearings are commonly supplied in two forms. All bearing types and sizes currently used in north america are in inventory at warehouses across the continent. Take a closer look at the different features of skf pillow block housings, and see how they can help you maximize bearing service life in your application. Nodes bearings specialize in skf bearings with a wide variety of skf bearings in stock we offer. The most common bearing application is the ball bearing. The units are preassembled and adjusted at the factory. Cone bearing heaters use an electric element to heat a stepped cone. Forces can be predominately radial, axial thrust bearings, or bending moments perpendicular to the. Types of rolling bearings a rolling bearing is generally composed of an inner ring, an outer ring, a set of rolling elements and a cage fig 1. This book, produced for use by skf distributors and customers, should prove of practical value to mechanics, maintenance superintendents and anyone.
The bearings with which we are concerned fit two basic categories ball and roller. Skf split pillow block housings are modular systems, designed to maximize the performance of bearings mounted in them. This does not mean to say that the bearing cannot be used after then. This movement is either rotary shaft rotating within a mount or linear one surface moving along another. Skf 6002 bearing kfy manufacturing angular contact ball. Ail machines necessarily employ them and all engineers must possess some knowledge of their design, construction, lubrication, adjustment. Our success is based on this knowledge, our people, and our commitment to skf care principles. The skf group is the worlds largest manufacturer of antifriction bearings and.
This first number relates to the bearing type, as shown in the table below type 6 is a deep grooved roller bearing. Flaking is a relatively long, drawnout process and makes its presence known by increasing noise and vibration levels in the bearing. This kind of ball bearing has a spherical outer race, allowing the axis of the bearing to wander around. The bearing ring grooves are circular arcs made slightly larger than the radius of the ball. Bearing types and cages engineering 6 timken tapered roller bearing catalog singlerow bearings ts singlerow this is the basic and the most widely used type of tapered roller. Therefore, as a rule, there is plenty of time to prepare for a change of bearing. The fundamental geometric parameters for all journal bearings are diameter, pad arc angle, lengthtodiameter ratio, and running clearance. Bearings types a bearing is constituted by an inner and an outer ring.
Timken bearing damage analysis with lubrication reference. We achieve this by combining handson experience in over 40 industries with our knowledge across the skf technology platforms. The fundamental geometric parameters for all journal bearings are diameter, pad. Timken tapered roller bearing catalog timken pdf catalogs. It achieves this by using at least two races to contain the balls and transmit the loads through the balls. The two main types of bearing heaters, cone bearing heaters and induction bearing heaters, each use different heat methods to make mounting easy. Timken bearing damage analysis with lubrication reference guide. Skf has a range of specific bearing greases to meet all application needs for this reason skf, the leader not only in bearing design and manufacturingbut in global service, and the skf distributors offer customers the most comprehensive range of tools to help operate at peak performance. Those listed in this section make up the most commonly identified causes of damage for antifriction bearings, including cylindrical, spherical, tapered and ball designs. Mar 08, 2019 the bearing is a machine element which does the work of reducing friction between two moving parts to get the required motion. Different bearing types have different operating speed limits. Selection of bearing type according to the direction and magnitude of loads the magnitude and direction of loads greatly influence the selection of bearings. This seal handbook contains complete product data for the selection of skf shaft seals, speedisleeves, wear sleeves, hydraulicpneumatic products, defender bearing isolator, vrings and heavy duty df hddf seals. The former permits both translational and rotational movements whereas the latter allow rotational and limited translational movements.
There are many types of bearings, each used for different purposes. Skf explorer bearings are interchangeable with previously specified skf standard bearings of the same type and size. In addition to standard allsteel units, skf has a selection of products that target particular industries. Types of bearings geometer discusses the various types of bearing in common use and gives examples of their use b earings are the means by which shafts are located, enabled to carry loads and. Search in skf precision bearings catalogs and technical brochures on directindustry and find the information you need in 1 click. All skf precision bearings catalogs and technical brochures. The contact between the bearing ring and a properly machined and.
We will discuss both categories, and cover bearing types, installation. Skf uses cookies on our web site to align the information shown as closely as possible to the visitors preferences and to tailor our web site user experience in general. With this broad usage and professional acceptance, the skf general catalogue. Skf bearings catalogue pdf download skf bearing catalogue contains the standard assortment of skf rolling bearings typically used in industrial applications. Nodes bearing specialize in skf bearings with a wide variety of skf bearings in stock, find skf bearing size chart, dimensions here. Increase power density output increase loads avoid costly redesign increase power density of new designs use a lower cross section skf explorer bearing with the same outside diameter to. This book, produced for use by skf distributors and customers, should prove of practical value to mechanics, maintenance superintendents and.
These include ball bearings, roller bearings, ball thrust bearings, roller thrust bearings and tapered roller thrust bearings. Mounting skf concentra roller bearing units duration. These readytomount units are available with either ball or roller bearings. Skf reserves the right to continually improve its products with respect to materials, design and manufacturing methods, some of which are driven by technological developments. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. Bearing used in the construction of bridge structure is divided into two major categories namely expansion bearings and fixed bearings. The illustrations belo identify the bearing parts of eight skf basic bearing types the terms used conform ith the terminology section of the merican bearing manufacturers ssociation, inc bm standards, and are generally accepted by antifriction bearing manufacturers inner ring inner ring corner inner ring land uter ring land uter ring ball. Bearing basics and types of bearings the term bearing is derived from the verb to bear, a bearing being a machine element that allows one part to bear i. With the recommendations in this handbook, skf aims to encourage safe and skilful maintenance practices that can help ex tend bearing service life, reduce machine down time and minimize unplanned maintenance activities. There are several types of bridge bearings which have been employed in. The making of an skf explorer bearing achieving the outstanding levels of skf. On time deliveries, no minimums quantities, and combined sales experience of over 20 years in this field you. This kind of ball bearing has a spherical outer race, allowing the. Flaking is a relatively long, drawnout process and makes its presence known by.
Bearings, are antifriction devices, each having different antifriction characteristics. A ball bearing is a type of rollingelement bearing which uses balls to maintain the separation between the moving parts of the bearing. Bearing types and application design ball bearings. Bearing design varies depending on the size and directions of the forces that they are required to support. The word bearing has been originated from the verb to bear. To achieve the best performance fit for your application, there are many different parameters to consider.
Where conditions are unsuitable for these standard types. The skf bearing maintenance handbook is a comprehensive working guide for the main tenance professional. Ball bearings, as shown below, are probably the most common type of bearing. Bridge bearings types of bearings for bridge structures and. To provide the highest levels of quality and customer service, these products are available worldwide through skf sales channels. Bearing types and application design ball bearings roller. You can also view our market and category specific catalogs below. Replace the existing bearing with an skf explorer bearing of equal size maintaining the same service life and machine uptime to. Generally, for the same dimensions, the cylindrical roller bearing stands heavy loads than the deep.
Search by part specification, ntn part number, competitor part number, or drill down in a specific product. We uphold a consistent level of professionalism, quality, credibility and service for skf one way bearing catalogue pdf, skf one way bearing catalogue pdf, skf y bearing catalogue pdf, satisfaction and good credit to every customer is our priority. We uphold a consistent level of professionalism, quality, credibility and service for skf one way bearing catalogue pdf, skf one way bearing catalogue pdf, skf y bearing catalogue pdf. Find the exact bearing you need using ntn bearing finder, our powerful online catalog platform. Pdf a bearing is a machine element which supports another moving machine element known as journal. As the leading bearing supplier, skf manu factures a wide assortment of bearing types, series, designs, variants and. These bearings are included in the relevant product tables and are easily identified by an asterisk in front of the bearing designation. Aug 23, 2015 precision ball bearings,skf deep groove ball bearing,type of bearing pdf stainless steel bearging. The former permits both translational and rotational. Lyc is capable of designing the types of radial bearing and thrust bearings according to properties and directions of their subjected load. Skf spherical roller thrust bearings for long lasting performance.
To download a pdf document of this catalogue and for information. Axial bearings are designed to withstand axial thrust radial bearings are designed to withstand radial loads 3. Skf bearing analysis experts can identify the cause of bearing failure and help you prevent it in the future. It consists of the innerring assembly and the outer ring. This is important because misalignment is one of the big causes of bearing failure. Bearings are used to support rotating shafts and are classified according to the direction of the main load. Bearings are built to last, so frequent failures may point to an installation or lubrication problem. Ball bearing types permit smooth, lowfriction movement between two or more surfaces. You can download this book from the first link on website comments like this photo. This skf bearing catalogue contains detailed information about standard skf rolling bearings, several special engineered products and bearing accessories. Each type of bearing has characteristic properties which make it particularly suitable for certain applications. Skf has a range of specific bearing greases to meet all application needs for this reason skf, the leader not only in bearing design and manufacturingbut in global service, and the skf distributors offer. For the rolling bearing types deep groove ball bearings and taper roller bearings there have been many performance improvements since the last skf general. The product tables list many of the bearing types that are specifically used in thrust positions.