As ball bearings usually cost less for a given shaft size they are considered first. For d bearing types, the bearing bores are stated directly or in an encoded form in accordance with din 6231. Showmetheparts is changing how the world finds replacement parts for their vehicles. To download a pdf document of this catalogue and for information about important. That includes installation, lubrication, and maintenance. Timken highperformance ej, em, emb spherical roller bearings are interchangeable with fag xlife. Import data and price of skf bearing 10 under hs code 8482. The result of a single calculation or multiple calculations can be selected in the report. Two identical steel stampings house a clamptype bearing with a spherical o. The bearings have particularly small axial section height, have high load carrying capacity and high rigidity and can support axial forces in one direction.
Deep groove ball bearings with filling slots have the same. Singlerow angular contact 7000, 7000p, and 7000pj series. Improved bearing steel skf explorer bearings feature an extremely clean and homogenous steel with a minimum number of inclusions. Within each order code, a distinction is made between the basic designation and any suf. Nu style single row nu style bearings have two machined flanges on the outer ring and no flanges on the inner ring n style single row n style bearings have two machined flanges on the inner ring and no flanges on the outer ring, with rollers and cage on the inner ring. These bearings are included in the relevant product tables and are easily identified by an asterisk in front of the bearing designation. Nomenclature guide to common bearing types for reference use only.
When more than one special feature is to be identified, suffixes are provided in the order shown in the table below. Bearing interchange from afbma skf 90 1 bc 2 03 3 j symbols 4 pp 5 n 6 3 7 0 8 x 9 6 10 2 3 3 18 1 zz 5 n 64 c3 8, 7 10 ht51 9 symbols afbmaskf description 1. Ball bearing units ball bearing units fyhbea rin g om s. The cross section of skf cylindrical roller bearings is optimally utilized. Ball bearings pressed steel housed units designed for lightduty applications. Since then, time certainly hasnt stood still, and neither has skf. To understand it better, lets take an example of inch bearing. The bore code is derived from the diameter d of the fag bearing bore. If the desired life or load capacity cannot be achieved with a ball bearing then a tapered roller bearing should be considered see page 182 for tapered roller bearing life calculations. Bearing symbols for life calculation c basic dynamic rating. It can accommodate axial loads in both directions, in addition to radial loads, even at high speeds. A twodigit number is used for bore sizes from 20mm to 480mm. The check box can be selected to add the calculation result in the report. This alphanumeric combination denotes the type, size and structure of the bearing.
This is possible because bearing tolerances are standardized internationally, predominantly by iso. These are denoted by the type and iso series 60, 62, 63, followed by. The designations for certain skf bearing types are either not covered, or are only partially covered. Skf bearing designation nomenclature nodes bearing. Skf bearing product catalogue online nodes bearing. Interchange single row deep groove ball bearings description interchange nsk skf torrfaf fag mrc inch rxx rxx sxx rxx rxx extra small 6xx 6xx 3x 6xx 3x extra light 60xx 60xx 91xxk 60xx 1xxk light 62xx 62xx 2xx 62xx 2xxs medium 63xx.
Abma the abma code applies to ball bearings including conrad type, maximum capacity and angular contact, as well as cylindrical roller, selfaligning spherical roller, and thrust ball or roller. With superfinished raceways and controlled geometries, our premium design helps ensure consistent quality. Bearings marked as popular items are of sizes that skf produces for. Click on the download icon to download the report in the.
The optimized cross section of skf cylindrical roller bearings enables manufacturers to downsize. Skf pioneered the use of induction bearing heater over 25 years ago. Skf bearing designations not covered by the basic system. The exceptions to this are bearings with bore diameter of 22mm, 28mm, 32mm and 500mm and above. Using the timken bearing interchange the timken bearing interchange lists manufacturers part numbers, manufacturer name and.
Ball bearing manufacturing company he compan established itself as a maor supplier of precision ball bearings to the automotie and machiner industries a maor innovation b strom was engineering serice proided to customers to aid in proper choice of ball bearings their use and guidance for. Rs provides a better seal but more rolling friction than 2z. Single row angular contact ball bearing for universal pairing in backtoback, facetoface or tandem arrangement. Designed to simplify mounting on side plate or frametype housings. Lowvolume bearings and sizes are manufactured in a. The open bearings are available in sizes from 20 to 1 800 mm bore dia meter and with cylindrical or tapered. Fag bearing designation nomenclature prefix suffix. 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. Rolling bearings of different manufacturers which have the same standardized code in accordance with din 623 are interchangeable. Structure of rolling bearing codes each rolling bearing is identified by a code which specifies its type, dimensions, tolerances, clearance and, in some cases, further essential characteristics. As a rule the significance of the letter is bound to the particular bearing or bearing series. International standardization of bearing numbers has been examined by iso but not adopted. Skf bearing catalogue contains the standard assortment of skf rolling bearings typically used in industrial applications.
A deviating or modified internal design with same boundary dimensions. He originated the gurney radialthrust angularcontact bearing todays 7000 series in 1905, and the gurney radialtype r bearing same designation today in 1909. Each bearing company may create their own prefixes. For sizes greater than those shown above we recommend the use of the skf. The diameter and length of the rollers and the wall thickness of the rings and retaining flanges have been optimized to provide maximum bearing service life fig. Skf bearing designation nomenclature the designations of most skf rolling bearings follow a bearing designation system.
Under torque of an axle nut will allow excessive movement causing uneven loading and excessive wear. Two of the most important are lubrication and contamination. Corrosion resistant units the corrosion resistant series is available in a wide array of sizes and styles, and units may be customized with a number of. The individual product sections refer to the information in this section, where.
Skf cylindrical roller bearings always in the lead. Evolution 25 technology bearing life is influenced by many factors. The second digit of a bearing patter number indicates the bearing series. Here, r4 means, it is an inch bearing whose bore size is 416 th or you can say 14 th of an inch. How to identify bearings by bearing number calculation and. Bearing type bc bl bn ba bt 6xxx xxx 7xxx cd 7xxx cc 7xxx acd 7xxx b conrad. Bearing with rubber seal on one side, one side open. Introduction of the b roller, slightly crowned toward the. All skf precision bearings catalogs and technical brochures. This is only a partial list of common modification codes. Pros and cons of sourcing out replacement bearings. How to identify bearings by bearing number calculation.
For example, the code 6318 stands for a deep groove ball bearing with a bore size of 90 mm. A ball manufacturing plant was acquired in 1964 at winstead, connecticut. S16 bearing rings dimensionally stabilized for use at operating temperatures up to 200 c 392 f s1 s1 s11 s2 bearing rings dimensionally stabilized for use at operating temperatures up to 250 c 482 f s2 s2 s3 bearing rings dimensionally stabilized for use at operating temperatures up to 300 c 572 f s3 s3. Bearing with a metal seal on one side, one side open. To facilitate international bearing interchangeability and economical bearing production, bearing boundary dimensions have been standardized by the international standards. Bo single row radial ball bearing separable magneto type bl single row radial ball bearing with filling slots and maximum load capacity 1 double row radial ball bearing selfaligning 2 double row radial ball bearing selfaligning. Skf ybearings insert bearings the designations for skf ybearings differ somewhat from those described in the basic designation system and are covered in the relevant product section. Spherical roller bearing of c design, but with retaining flanges on inner ring and machined cage 2. Ball bearing manufacturing company he compan established itself as a maor supplier of precision ball bearings to the automotie and machiner industries a maor innovation b strom was engineering serice proided to customers to aid in proper choice of ball bearings their use and guidance for mount ing and maintenance. The complete skf bearing nomenclature may consist of a basic designation with or without one or more supplementary designations.
Through a strong network of more than 10 000 distributors and dealers within the vehicle, our spare parts for. This improved steel is so much cleaner than the highest grades covered by present classification methods. Fag bearing part number designation and suffix there are hundreds of thousands of fag bearings part numbers, they are indicating different bearing types and structures, if you want to choose a suitable bearing for your industry machines, the first step is to identify the meaning of bearing designation and suffix. 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. Skf ball bearings, roller bearings, track runners, plain bearings, bearing housing, linear motion.
Through a better understanding of the mechanisms that lead to reduced bearing life, owing to the effects of such factors, we can improve bearing design and operation. Bearing designation systems 7 order codes for bearings are made up of a combination of letters and numbers. Trw bearings division entered a new period of growth. Bearings with mental shields and rubber seals are prelubrecated by some grease. Combining more than a century of world leading bearing technology, from skf selfaligning knowledge and cooper split roller bearing expertise, skf cooper are excited to announce the launch of the new split spherical roller bearing range, available in open unsealed and sealed versions. The complete designation is always marked on the bearing package. To provide the highest levels of quality and customer service, these products are available worldwide through skf sales channels. Skf bearing suffix identify designs or variants, which differ in some way from the original design or from the current basic design. Nsk bearing designation nomenclature prefixes suffixes. The making of an skf explorer bearing achieving the outstanding levels of skf. The individual product sections refer to the information in this section, where needed. 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. Bearing with snap ring and flange on the outer ring. Thus, we can easily identify now that in case of bearing 6305zz, the first digit 6 means the bearing type is single row deep groove ball bearing.
For bore code 04 upwards, the general rule is to multiply by 5 to obtain bore size in mm. Timken highperformance ej, em, emb spherical roller bearings are interchangeable with skf explorer. Axial cylindrical roller bearings comprise axial cylindrical roller and cage assemblies and shaft and housing locating washers. Jan 16, 2019 this is true for abma bearing codes as well as the one used by skf, which is similar to the numbering system used by many other manufacturers. Oct 26, 20 skf pioneered the use of induction bearing heater over 25 years ago. Theay are available for low noise and low vibration. Convert your bearing dimensions to bearing numbers here.
Bearing interchange from afbma skf 90 1 bc 2 03 3 j 4 pp 5 n 6 3 7 0 8 x 9 6 10 2 3 3 18 1 zz 5 n 6 4 c3 8, 7 10 ht51 9 symbols afbma skf description 1. For example, the code 6224 stands for a deepgroove ball bearing with a bore size of 120 mm. This number is multiplied by five to give the bore size. Basic designation system for skf standard metric ball and roller bearings. Skf explorer bearings are interchangeable with previously specified skf standard bearings of the same type and size. Ensure that you have the correct torque for the application by referring to skf 457377 torque specification guide or contact the vehicle manufactures dealer. We focus on providing system repair products with a wide range coverage so that you dont have to look very far for the parts you need. The designations of most skf rolling bearings follow a system that may consist of a basic designation with or without one or more prefixes andor suffixes basic bearing designation system. Search in skf precision bearings catalogs and technical brochures on directindustry and find the information you need in 1 click.
Our deep groove ball bearings deliver reliable performance in a wide range of applications and conditions. A twodigit number is used for bore sizes from 20 mm to 480 mm. Skf infrared thermometer tktl 20 94 skf infrared thermometer tktl 30 94 skf infrared thermometer tktl 40 95 skf k type thermocouple probes tmdt 2 series 97 skf thermal camera tkti 21 98 skf thermal camera tkti 31 98 skf t achometer tkrt 10 102 skf t achometer tkrt 20 102 skf s troboscope tkrs 10 104 skf s troboscope tkrs 20 104. Participation in standardization of boundary dimensions 1950. The skf vehicle aftermarket boasts a product range of over 20 000 variations in unmatched quality. Supplementary designations suffixes it should be noted that the appearance of a suffix in the alphabetical list, which follows, does not mean that a particular variant is available.
Skf 3307 ac3 double row angular contact bearing 35 mm bore, 80 mm od, 1. Skf has a unique understanding of rotating equipment and how machine components and industrial processes are interrelated. Skf cooper launch new split spherical roller bearings. In case of inch bearings, the bearing s first digit will be r. As bearings distributor, nodes bearings supply a wide range of skf.
Skf maintenance and lubrication products industrial gp. In 1976, the division built a new facility at gainesville, georgia, to specialize in highvolume bearing production. It is important that you properly torque the spindle nut to ensure optimum bearing life. An example and the applicable options for spherical roller bearings are given below. Determine your bearing numbers designation youtube. After r, the size of the bearing will be given in 116 th of an inch. In 1986, the bearing division was acquired by the skf group, which is an international manufacturing and. Series of a bearing denotes the toughness of the bearing. Skf bearing housings and roller bearing units pub bup1 186en. After consulting many uses, the current bearing heating range not only has class leading performance but is designed. Gurney started the manufacture of ball bearing machinery in jamestown, new york. Skf cylindrical roller bearings better by design skf milestones leading to the single row cylindrical roller bearings of today 1909. Skf angular contact ball bearings your key to longer.
1054 130 1147 1442 604 1454 1528 1209 151 389 857 1218 738 1398 1252 987 471 242 1571 36 1089 1384 1232 683 968 172 1150 1602 678 851 927 878 1112 892 950 138 440 124 99 858 633 182 1070 88 444 8