The newly developed nsk angularcontact ball bearings in the robustshot series meet all of these requirements. Your proven service leader with reliable delivery since 1972. Cylindrical roller bearings i n t rod u c t ion ball bearings sph erical roller bearings t a p ered roller bearings t h r u s t bearings sp li t p illo w bloc k s s u p er p recision bearings rolling m ill bearings l inear m o t ion e ngineering s ec t ion 48 table of contents cylindrical roller bearings introduction about nsk cylindrical. Certain design considerations must be met in the device and bearing to address such factors as load, speed, temperature, environment, method of lubrication and fit. This addition to skfs line of defcompatible products is suitable for multiple applications including automotive, trucking, agriculture and. Most of the product offering have part numbers with listings shown throughout this catalog. For hub i, nsk uses proprietary bearing type designations such as. The nsk bearing unit is a combination of a radial ball bearing, seal, and a housing of highgrade cast iron or pressed steel, which comes in various shapes. Rings and rollers are made from casehardened alloy steel of bearing quality to provide superior fatigue life and reliability. Our products are setting new standards for reliability, energy efficiency and durability. Bearing numbers for tapered roller bearings inch system bearing numbers for miniature ball bearings. Large bearing japan koyo tapered roller bearing nomenclature 33016. Nomenclature inch design number 2 digit roller, cage, cup or cone number additional features nonstandard radius extra markings x boundary dimensions adapted to international standards m.
Nsk and rhp bearings designation systems the objective of this publication is to introduce and explain the designation systems used to identify nsk and rhp bearings. Iso dimensional system and bearing numbers a nsk e. Nsk full bearing reference nsk abbreviated part number. Technical report basic knowledge services nsk global. Bearings for the agricultural industry 5 agri disc hub bearing units the nsk agri disc hub bearing units use doublerow angularcontact ball bearings which are capable of accommodating heavy radial and axial loads. This first number relates to the bearing type, as shown in the table below type 6 is a deep grooved roller bearing.
Since timken miniature, instrument and thinsection ball bearings are precision mechanical components, it is important that the size and tolerances of the shaft o. Nomenclature ee extra light inch seriesminiature ball bearings bor e diame ter inches beari ng series 0. The outer surface of the bearing and the internal surface of the housing are spherical, so that the unit is selfaligning. Nsk super precision bearings p49 global network p4 research and development p6 quality control and manufacturing technology p8 part 2. Type code series bore suffix the type code indicates the type of bearing. The 6200 series bearings feature deep, honed raceways, resulting in a perfectly. Skf leveraction pump exceeds def transfer specifications.
How to identify bearings by bearing number calculation. Nsk 6901 deep groove ball bearing, single row, open, pressed. To use bearings with oil grooves and holes, it is recommended to provide an oil groove in the housing bore, since the depth of the groove in the bearing is limited. Since then, nsk has been distributing bearings using the nsk and. They can be considered interchangeable in most instances, but for special applications, please contact nsk. This bearing has normal radial internal clearance for applications that do not involve thermal expansion or atypical precision. However, you can change your browser cookie setting at any time. The company designs, makes and markets highperformance mechanical components. Nsk 7206a bearing angular contact ball bearings technical information and online ordering. Angular contact ball bearings skf nsk bearing nomenclature consist of basic numbers and supplementary symbols.
The contents cover basic designations for ball and roller bearing series and their prefixes and suffixes. Nsk linear guides reference guide for all interchangeable series courtesy of steven engineering, inc. To download a pdf document of this catalogue and for information. Bearing nomenclature skf is your source for a wide range of. How to order nomenclature bearing reference guide ultra kleen ez kleen extreme duty setscrew ball bearing grip tight dlok ball bearing setscrew ball bearings how to order there are two ways to specify dodge bearings. Action bearing nomenclature guide to common bearing types. Skfs marine condition monitoring kit is helping a leading ship operator to manage costs and prevent equipment failure across its fleet. Prefix heavy heavy medium metric designed light medium medium code 25 28 30 030 32 450 up, digit number that identifies maximum bore range.
Notes on ball bearings bearing nomenclature you can learn a lot about a bearing just from its part number. In the early 1990s, it took over the rhp group, uks biggest producer of bearings. Nsk bearing catalogue is in included all type of bearings,like. Replace your conventional bearings with ultra low friction skf energy ef. Matched angular contact ball bearings the types and features of matched angular contact ball bearings are shown in table 2. This kind of ball bearing has a spherical outer race, allowing the axis of the bearing to wander around. Using the timken bearing interchange the timken bearing interchange lists manufacturers part numbers, manufacturer name and. Nsk is one of the worlds largest bearing manufacturers. The boundary dimensions of commonly used nsk bearings mostly conform to the organizational concept of iso, and the nsk bearing numbers of these standard bearings are specified by jis b 15 bearing numbers for rolling bearings.
We use cookies to ensure that we give you the best experience on our websites and web applications. Bearings the nachi bearings business started out by using the superior materials made by our own company, and by applying expertise in cutting and heat treatment acquired from our experience with cuttingtool manufacturing. Metric iso radial cylindrical roller bearings nomenclature. Jul 23, 2015 asts engineers and sales reps are experts with all numbering systems and can assist you with breaking down any bearing part number. Nsk full bearing reference nsk abbreviated part number recommended uk retail list price july 2014 02474r02420r 5 02474r02420r n 87. Emerson front cover nomenclature pages for thomasnet upper and lower. T r oubleshooting bearing pr oblem t echnical infor mation. The product range includes nsk bearing units, bearing units, linear guides, hub units etc covering many bearing types such as nsk deep groove bearings, tapered roller bearings, angular contact bearings, selfaligning bearings and many more. Nsk s builtin ball retainer system allows for easy installation and removal of ball slides. There are many different numbering systems used in the bearing industry today.
For more information, refer to nsk bearing nomencla. In many cases, they run cooler at equivalent loads and speeds, reducing lubricant use and potentially extending equipment life. It supports moderate to heavy onedirectional thrust loads, and combined radial and thrust loads where the thrust load is predominant. Bearing nomenclature and numbering system korbel loziska. The most common bearing types and nomenclature of bearing parts are shown in fig. Nsk online interactive catalogs and tools give you the capability to select the correct bearings that best meet the needs of your application and equipment design. Wide type if your application requires low profile combined with high load, nsk offers the wide series linear guides. When order a nsk ball bearing, you need to provide the bearing number that may consist ofcombination of letters and numbers. The most important codes for metric bearing series are listed in table 1. Ultra final series bearings for clean environment with. Features of precision bearings p1029 metallurgical technology to extend bearing life p12 ceramic rolling elements p14 cages p16 product range p18 performance of each bearing type p2029 part 3. Nsk bearing nomenclature consist of basic numbers and supplementary symbols.
Bearings catalogs and cad drawings services nsk global. If you require additional bearings, please contact nsk. Welcome to nsk global website bearings, automotive. All models of these types bearings are in large ready stock,we can delivery it fastest in 1 day,competitive price and best service for you. The units are screwed straight onto the discs, with an oring set into the bearing housing figure 2 protecting the bearing. This part number can be divided into its components. Nskhps angular contact ball bearings in comparison with standard angular contact ball bearings, these bearings have high capacity, high limiting speed, and highly accurate universal matching as the features. Ball bearings sph erical roller bearings t a p ered roller bearings t h r u s t bearings sp li t p illo w bloc k s s u p er p recision bearings rolling m ill bearings l inear m o t ion e ngineering sec t ion 7 introduction about nsk ball bearings radial ball bearings angular contact bearings double row bearings selfaligning ball bearings. Nsk started operations as the first japanese manufacturer of rolling bearings in 1916.
Nsk 7010ctrdulp4y super precision angular contact bearing, 15. Therefore, when a european bearing producer makes a single row ball bearing, with 40 mm diameter of the inner circle, with 80 mm diameter of the outer circle and 18 mm of width, they will provide the bearing with the same identification marking as a producer from asia or south america that is with the code 6208. Nsk bearings product catalogues and technical data. The rolling elements are separated and held in position by cages or other retaining devices. From home appliances, automobiles, and capital equipment to the aerospace industry nsk bearings are used in an extensive range of applications. By continuing without changing your browser settings, we assume you give your consent to receive cookies. The nsk 6900 series deep groove ball bearing with metric dimensions is an open ball bearing with normal clearance and has a singlerow deepgroove geometry for high speeds and supporting both radial and axial loads. Bearing designation systems 11 the basic designation consists of the code for the bearing series and the code for the bearing bore.
Tapered roller bearings production started under technical. The inside construction of the ball bearing for the unit. Nomenclature guide to common bearing types for reference use only. The nsk 7000 series singlerow super precision angular contact ball bearing is an open bearing and has a 15degree contact angle, straight bore, phenolic cage, and normal clearance rating.
In addition to assisting in bearing identification it helps to cross refer. Formed in 1988, ors is turkeys premier manufacturer of radial ball bearings metric. Nsk has incorporated roller bearing technology which. Ever since then, we have strived continuously to expand and improve not only our products but also our extensive range of services for industry. Most ntn and all bower cylindrical roller bearings feature casecarburized components. Koyo bearing nomenclature 33016 tapered roller bearing is a bearing having a thick outer ring and a stud to which taper rollers are built into and it is a bearing having small friction coefficient and excellent rotational performance designed for outer ring revolution. Nsk linear guides reference guide for all interchangeable. Roller guide the ra series comes in an interchangeable offering with medium preload. Roller bearings i n t rod u c t ion ball bearings sph erical roller bearings t a p ered roller bearings t h r u s t bearings sp li t p illo w bloc k s s u p er p recision bearings rolling m ill bearings l inear m o t ion e ngineering s ec t ion 6 table of contents ball bearings introduction about nsk ball bearings. To assist you in understanding ast bearings radial ball bearing nomenclature and numbering system, we have compiled a comprehensive whitepaper detailing these, which can be read by clicking here. An oil groove and holes are provided in the outer ring to supply lubricant and the bearing numbers are suffixed with e4. This is important because misalignment is one of the big causes of bearing.
Nsk wheel bearings produced worldwide to one standard. International standardization of bearing numbers has been examined by iso but not adopted. Nsk established its globalscale enterprise on technology that has met the exact requirements of global industry. While each manufacturer uses their own numbers, there are a few numbers that could be considered.
Spherical roller bearings roller bearings products nsk. Bearing pdf datasheets available for download and links to cad data. Ritbearing is one of the primary importers of ors products in the u. A bearing is essentially a part of a machine that bears friction. The 6000 series, extra light bearings are normally used in applications where space limitations are a primary consideration and shaft sizes are relatively large. Bwd for doublerow angular contact ball bearings and. The latest series is now available in the random matching of rails and roller slides, which includes random matching with preload for higher accuracy and rigidity, allowing the users. Nsk is a global manufacturer of ball and roller bearings, linear motion technology, automotive components and steering systems with both domestic and overseas manufacturing capabilities. View notes bearing nomenclature from mechanical me41267 at university of hannover. Note the terminology here, where ball bearing is commonly implied to mean a. Rhp an integral part of nsk s history a worldwide reputation built on being no. The selection tools for ball screws, nsk linear guides, and megatorque motors are also available.
Spherical roller bearings production started with technical. The boundary dimensions for certain series of bearings are defined in various standards, such as abma, jis and iso. Skf is your source for a wide range of products covering various industries. This is important because misalignment is one of the big causes of bearing failure. Cracking the radial ball bearing nomenclature and numbering. Roller bearings i n t rod u c t ion ball bearings sph erical roller bearings t a p ered roller bearings t h r u s t bearings sp li t p illo w bloc k s s u p er p recision bearings rolling m ill bearings l inear m o t ion e ngineering s ec t ion 8 table of contents thrust bearings introduction about nsk thrust bearings. Diagram of the basic designation system for rolling bearings see page 6. The nomenclature of nsk ball bearings follow a bearing designation system. Conventional oilair lubrication methods attempt to inject the lubricant into the bearing from the side using a nozzle. Radial ball bearing nomenclature and numbering system. Roller guide ra series a roller guide series employing advanced analysis technology offers superhigh load capacity and rigidity. Our deep groove ball bearings deliver reliable performance in a wide range of applications and conditions.