A ball bearing is a rolling element bearing that used ball to maintain the separation between the bearing races. Rolling bearings support and guide rotating or oscillating machine elements such as shafts, axles or wheels and transfer loads between machine components. Notes 1 illustration a of the zz type shows the relatively small size bearing. A bearing is a machine element that constrains relative motion to only the desired motion, and reduces friction between moving parts. Nsk 6006ddu deep groove ball bearing, single row, double sealed, contact type, pressed steel cage, normal clearance, metric, 30mm bore, 55mm od, mm width, 8000rpm maximum rotational speed, 8300n static load capacity, 200n dynamic load capacity. On the basis of load and groove cut, ball bearings are classified in the following types. The fag singlerow, open, angular contact bearing has asymmetric races with a 40degree contact angle to support both axial and radial loads. Skf 6002 bearing kfy manufacturing angular contact ball. The bearing type can be selected by clicking on the select from list hyperlink. Bearings in this catalog are arranged by bearing type, with a size andor numerical listing. There was a bearing supplier in oz that had a pdf file available for downloading that had just about every bearing listed known to man and cross reference between manufactures as well as basic size.
Click on the download icon to download the report in the. When the direction of the load weight being moved is at right angles to the shaft, it is called a radial load. Bearings are used to support shafts and allow them. It can be widened by using a different type of grease or sealing material. This article describes what is a ball bearing, types of ball bearings shielded ball bearing, sealed ball bearing. You could say that the em type is a functional, multipurpose bearing for durable, lowspeed machines up to turbo generators running at maximum speeds. Assuming the common oil bath lubrication method, the bearing types are roughly ranked from higher speed to lower as shown in fig. There are many types of bearings, each used for different purposes. They provide high precision and low friction and therefore enable high rotational speeds while reducing noise, heat, energy consumption and wear. With this broad usage and professional acceptance, the skf general catalogue is generally considered to be the authoritative reference source of its type throughout industry.
Handling of bearings deep groove ball bearings d 3 200 mm angular contact ball bearings d 10 200 mm selfaligning ball bearingsd 10 100 mm cylindrical roller bearings d 20 200 mm tapered roller bearings d 15 200 mm spherical roller bearings d 25 300 mm. Roller bearing one variation of roller bearings the tapered roller is used. The width of these bearing is smaller than the bore diameter or ball. The result of a single calculation or multiple calculations can be selected in the report.
More substantial bearings of this type are used for the spindles of older and precision lathes e. When you select a bearing type from the list, the bearing crosssectional drawing gets updated on the page. Almost all types of rolling bearings can carry both radial and axial loads at the same time. Nov 16, 2015 every bearing consist these type of numbers printed on them these represents.
Bearings, are antifriction devices, each having different antifriction characteristics. In many cases, several factors have to be taken into account when selecting bearing type. The check box can be selected to add the calculation result in the report. Nsk 695zz bearing ntn bearing angular contact ball. Ball bearing types permit smooth, lowfriction movement between two or more surfaces. International standardization of bearing numbers has been examined by iso but not adopted. Ntn 6203lax30 bearing sgl angular contact ball bearings ltd. Skf bearings catalogue pdf download skf bearing catalogue contains the standard assortment of skf rolling bearings typically used in industrial applications. It can be widened by using a different type of grease or. Bearings catalogs and cad drawings services nsk global. Roller bearings on the other hand are classified according to the shape of the rollers.
It is common for every bearing to be named based on its rolling element and the same applies to the ball bearings. Bearing types and application design ball bearings roller. Ntn ucp212d1 bearing ntn angular contact ball bearings ltda. Nsk 625z bearing ntn double row bearingsbower corp. Ball bearings with shields or seals for protection are usually lubricated to last for the operating life. Each type of bearing has its own niche application area, and thus design engineers must be familiar with different types of bearings, and their applications and limitations. Skf was founded in 1907, and grew at a rapid rate to become a global. Zkl brand of bearings and bearing accessories enjoy the largest market share in the central europe, and is considered to be one of the topmost names amongst the. Handling of bearings deep groove ball bearings d 3 200 mm. Ball bearing the most popular type of ball bearing has a single row of balls. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Selection of bearing type each type of bearing has characteristic properties which make it particularly suitable for certain applications.
These components may be as large as 2 m in diameter and are often required to handle hundreds of tons. Ntn 6902 bearing ntn angular contact ball bearings s. The minimum and maximum values of bearing outer and bore diameters can be provided in the search box. Main parameters of all kinds of bearings are respectively listed in various bearing dimension tables of this catalog. How to find type of bearing using bearing number quora. I also have my dads old bearing interchange guide from thirty years ago that is handy sometimes too. To download a pdf document of this catalogue and for information about important. Roller bearings have high radial load capacity and some designs can accept light axial. Oct 07, 2016 there are different types of bearings specifically designed for applications depending on expected loads and the possibility of temperature fluctuations, contaminant exposure, and pressure.
Nsk 695zz bearing ntn bearing angular contact ball bearings. It provides all the essential data designers need to safely and economically design all standard rolling bearings. Super precision sealed angular contact ball bearings. Warranty ntn warrants, to the original purchaser only, that the delivered product which is the subject of this sale a will conform to drawings and specifications mutually established in writing as applicable to the contract, and b. Generally, bearings with a contact angle of less than. Fag 7200btvp angular contact ball bearing, single row, open. The centrally flangemounted bearings designed with an enlarged housing surface zm7, em9s, em14sxs are a. Ball bearings can support moderate radial loads and moderate axial loads parallel to the shaft. The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis.
Every bearing consist these type of numbers printed on them these represents. Nskhps high performance standard bearings for industrial machinery. They are found in everything from inline skates to hard drives. In a tapered roller bearing, all center lines converge at a. If the specific bearing type is not known, reference the index in the back of the guide for the page number where the bearing is listed. Ntn 6203 bearing carter angular contact ball bearings ltd. In addition to the single row design, there also are double row, angular contact and ball thrust bearings. The characteristics and uses of each type will be covered in chapter five. The centrally flangemounted bearings designed with an enlarged housing surface zm7, em9s, em14sxs are a special type of bearings for smaller shaft diameters.
There are different types of bearings specifically designed for applications depending on expected loads and the possibility of temperature fluctuations, contaminant exposure, and pressure. Ball bearings have a niche area in the field of bearings. When selecting bearings for any purpose, ultimately you want to be certain of. Find the exact bearing you need using ntn bearing finder, our powerful online catalog platform. The brand zkl was founded in the year 1921 in the then czechoslovakia in central europe, and is more than 90 years old. For example, look at wind turbine bearings and slewing rings. Search by part specification, ntn part number, competitor part number, or drill down in a specific product category to order parts or download cad illustrations. Bearing types and application design ball bearings.
All bearings are very unique in their construction and have special capabilities to carry loads. Information relating to the specific types of bearings. Here the bearing is a hard pad in the end of the shaft, and the pointed adjusting screw is hardened too and fitted with a locknut. Bearings are mechanical assemblies that consist of rolling elements and usually inner and outer races which are used for rotating or linear shaft applications, and there are several different types of bearings, including ball and roller bearings, linear bearings, as well as mounted versions that may use either rolling element bearings or plain. The fag rolling bearing catalogue on cdrom outshines the usual software catalogues, being a comfortable, electronic consulting system. In a dialogue with windows you can quickly select the right fag rolling bearing for your applica. Ball bearings, as shown below, are probably the most common type of bearing. These include ball bearings, roller bearings, ball thrust bearings, roller thrust bearings and tapered roller thrust bearings. The most common bearing application is the ball bearing. As a general guideline, the basic procedure for selecting the most appropriate bearing is shown in the following flow chart.
You can also view our market and category specific catalogs below. Furthermore, different types of rolling bearings have their own individual. Aug 06, 2016 a ball bearing is a rolling element bearing that used ball to maintain the separation between the bearing races. Fag 7200btvp angular contact ball bearing, single row. Each bearing listing includes the appropriate dimensions. Nsk 6006ddu deep groove ball bearing, single row, double. Ntn p206 bearing kyok radial shaft seals for general. Ball and roller bearings cad data of model numbers given in the catalog is available as an electronic catalog. Deep groove ball bearings are the most common bearing type found in a wide variety of. To provide the highest levels of quality and customer service, these products are available worldwide through skf sales channels. Resources to help you determine the right solution for your application.
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