Catalog: Ball and Roller Bearings | |
| shaft and housing design 14.1 fixing of bearings 14.2 bearing fitting dimensions a-83 a- ... accuracy a-69 a-69 a-69 14.4 allowable bearing misalignment 15 bearing handling 15.1 ... bearing storage a-86 a-86 a-86 a-88 a-90 a-90 ... lubrication 11.1 lubrication of rolling bearings 11.2 lubrication methods and ... lubrication 11.4 solid grease for bearings with solid grease 11.5 oil lubrication ... .4 post installation running test 15.5 bearing disassembly 16 bearing damage and ... corrective measures a-93 12 external bearing sealing devices a-78 17 technical data ... a-95 17.1 deep groove ball bearing radial internal clearances and axial ... internal clearances a-95 13 bearing materials 13.1 raceway and rolling ... -81 a-81 a-82 17.2 angular contact ball bearing axial load and axial displacement a-95 ... | |
| and characteristics of rolling bearings 1 classification and characteristics of ... rolling bearings 1.1 rolling bearing construction most rolling bearings ... a line contact theoretically rolling bearings are so constructed as to allow the ... time while the rolling elements and the bearing rings take any load applied to the ... bearings at the contact point between the ... cage ball ball cage deep groove ball bearing fig 1.1 angular contact ball bearing ... cage 1.2 classification of rolling bearings rolling bearings fall into two main ... classifications ball bearings and roller bearings ball bearings are ... classified according to their bearing ring configurations deep groove angular ... contact and thrust types roller bearings on the other hand are classified ... | |
| and characteristics of rolling bearings ultra thin wall type ball bearings ... turntable bearings ball screw support bearings railway car journal roller bearings rct ... bearings ultra-clean vacuum bearings sl-type cylindrical roller bearings ... special application bearings rubber molded bearings ... crossed roller thrust bearings clearance adjusting needle roller ... bearings complex bearings connecting rod cage-equipped needle ... type track rollers special application bearings are not listed in this catalog linear ... motion bearings linear motion bearings are not listed in this catalog fig 1.9 ... classification of rolling bearings a-7 ... | |
| and characteristics of rolling bearings width contact angle snap ring cage ... rivet ball outer ring inner ring bearing bore diameter pitch circle diameter ... bearing outside diameter outer ring front face ... raceway inner ring side face shield bearing chamfer deep groove ball bearing ... angular contact ball bearing contact angle bearing width inner ring ... face cup front face cylindrical roller bearing tapered roller bearing lock washer ... bearing bore diameter locknut tapered bore of ... inner ring sleeve bearing height ball shaft washer inner ring ... spherical roller outer ring bearing outside diameter housing washer ... spherical roller bearing single-direction thrust ball bearing ... fig 1.10 diagram of representative bearing parts a-8 ... | |
| bearing selection 2 bearing selection rolling element bearings are ... and sizes when selecting the correct bearing for your application it is important to ... performance characteristics for each bearing type is shown in table 2.1 as a general ... for selecting the most appropriate bearing is shown in the following flow chart 2. ... 1 bearing selection flow chart procedure ... confirmation items selection of bearing type and configuration confirm ... and operating environment select bearing type and configuration select bearing ... dimensions select bearing tolerances function and construction of ... components to house bearings bearing mounting location bearing load ... speed vibration and shock load bearing temperature ambient and friction- ... limitations refer to page insert 28 bearing load magnitude direction vibration ... | |
| bearing selection select bearing s internal clearance select cage type ... sealing method select any special bearing specifications confirm handling ... refer to page insert 86 possible roller bearings exhibit less elastic deformation than ... ball bearings and therefore are recommended for such ... equipment furthermore in some cases bearings are given an initial load preloaded to ... is commonly applied to deep groove ball bearings angular contact ball bearings and ... tapered roller bearings 6 misalignment of inner and outer rings ... degree of misalignment between the bearing s inner and outer rings in cases where ... be relatively large self-aligning ball bearings spherical roller bearings or bearing ... 2.1 7 noise and torque levels rolling bearings are manufactured and processed ... | |
| boundary dimensions and bearing number codes standardized and have been ... standardization there are many standard bearing dimensions which are not presently ... boundary dimensions for radial bearings excluding tapered roller bearings are ... attached tables related specifications bearing numbers are comprised of a basic ... codes the makeup and order of bearing numbers is shown in table 5.2 the basic ... indicates general information about a bearing such as its fundamental type boundary ... prefixes and suffixes which indicate a bearing s tolerances internal clearances and ... related specifications 5.2 bearing numbers rolling bearing part numbers ... indicate bearing type dimensions tolerances internal ... construction and other bearing number examples 6205zzc3 2a shell ... 25mm diameter series 2 deep groove ball bearing 23034bd1 lubrication hole/lubrication ... | |
| boundary dimensions and bearing number codes supplementary suffix codes ... interchangeable tapered roller bearings r noninternationally interchangeable ... tapered roller bearings st low torque tapered roller bearings ... high axial load use cylindrical roller bearings seal shield code llb synthetic rubber ... arrangement d2 two matched paired bearings c2 internal clearance less than normal ... class 2 2 inch series tapered roller bearing abma class 2 3 inch series tapered ... roller bearing abma class 3 0 inch series tapered ... roller bearing abma class 0 00 inch series tapered ... roller bearing abma class 00 /2a shell alvania 2 ... solid grease for use with solid grease bearings llu synthetic rubber k30 seal tapered ... | |
| allowable speed 9 allowable speed as bearing speed increases the temperature of the ... bearing also increases due to friction heat ... generated in the bearing interior if the temperature continues ... start to fail down drastically and the bearing can no longer continue to operate in a ... speed at which it is possible for the bearing to continuously operate without the ... speed r/min the allowable speed of a bearing depends on the type of bearing bearing ... the allowable speeds listed in the bearing tables for grease and oil lubrication ... are for standard ntn bearings under normal operating conditions ... conditions p 0.09c fa fr 0.3 for ball bearings with contact seals llu type the ... peripheral lip speed of the seal for bearings to be used under heavier than normal ... allowable speed values listed in the bearing tables must be multiplied by an ... | |
| bearing materials 13.2 cage materials bearing cage materials must have the strength ... light weight and be able to withstand bearing operation temperatures for small and ... medium sized bearings pressed cages of cold or hot rolled steel with a low ... stainless steel is also used for large bearings machined cages of machine structural ... aluminum alloy and other material cages are also available for aircraft engine ... bearings high tensile brass midcarbon nickel ... silver plated injection molded plastic cages are now widely used most are made from ... heat resistant polyimide resin plastic cages are light weight corrosion resistant ... resins now enable the production of cages that perform well in applications ... | |
| shaft and housing design 14.2.3 thrust bearings and relief dimensions for thrust ... bearings it is necessary to make the raceway ... heights will be larger than for radial bearings refer to dimension tables for all ... thrust bearing relief dimensions 14.4 allowable ... bearing misalignment a certain amount of ... misalignment of a bearing s inner and outer rings occurs as a ... be relatively large self-aligning ball bearings spherical roller bearings bearing units ... and other bearings with aligning properties are advisable ... misalignment will vary according to bearing type load conditions internal ... below these standard levels table 14.6 bearing type and allowable misalignment/ ... allowable misalignment deep groove ball bearings angular contact ball bearings single ... | |
| deep groove ball bearings 2 standard cage types as shown in table ... 2 pressed cages are generally used in deep groove ball ... bearings however machined cages are also used in larger sized bearings ... speed applications table 2 standard cages for deep groove ball bearings bearing ... equipped outer ring and the light alloy bearing housing a good interference fit can be ... therefore it is necessary to select a bearing with a maximum allowable load greater ... than the largest anticipated bearing load 2 housing and bearing fit table 3 ... shows the recommended fits for bearings with light metal alloy housings in ... cases where the bearing is going to be interference fit with ... a press in order not force the 3 other bearing types 3 1 bearings with snap rings some ... | |
| miniature and extra small bearings 2 standard cage types pressed cages are ... standard for these bearings however molded resin cages are used for ... some bearings depending on the application 3 ... accuracy of miniature and small ball bearings complies with jis standards accuracy ... standards are listed in the bearings accuracy clause on page a-31 flange ... 18 mm or less identical to same bearing s inner ring vb 8 see table below 4 1.5 ... 11 7 3 4 1 identical to same bearing s inner ring vb 5 2.5 1.5 units flange ... | |
| angular contact ball bearings angular contact ball bearing high speed ... use angular contact ball bearing ultra high speed use angular contact ... ball bearing four-point contact ball bearing double row angular contact ball bearing ... 1.1 angular contact ball bearing angular contact ball bearings are non- ... separable type bearings the line connecting the contact points ... be accommodated by angular contact ball bearings furthermore since an axial load is ... generated from a radial force these bearings are generally used in pairs facing each ... speed varieties of angular contact ball bearings are available through ntn and there are ... also many duplex varieties a bearing accuracy of jis class 5 or higher is ... to duplex type angular contact ball bearings and in many cases they are given a ... | |
| angular contact ball bearings 2 standard cage types table 4 lists the ... cage types for angular contact ball bearings for high speed use angular contact ball ... bearings molded resin cages and machined cages are widely used ... table 4 standard cages for angular contact ball bearings type ... bearing series 79 70 72 73 72b 73b 78c 79c 70c ... hsb034c qj224 qj324 note 1 standard cages for 5s-bnt and 5s-hsb type bearings are ... the same as cages for bnt and hsb type bearings 2 due to the material characteristics ... of molded resin cages use at application temperatures in ... | |
| grease oil kgf static cor dynamic cr bearing numbers load center mm a mass kg single ... 30 1 this value achieved with machined cages when pressed cages are used 80 of this ... value is acceptable 2 bearing numbers appended with the code b have ... a contact angle of 40° bearings with this code have a contact angle of ... | |
| grease oil kgf static cor dynamic cr bearing numbers load center mm a mass kg single ... 55 1 this value achieved with machined cages when pressed cages are used 80 of this ... value is acceptable 2 bearing numbers appended with the code b have ... a contact angle of 40° bearings with this code have a contact angle of ... | |
| grease oil kgf static cor dynamic cr bearing numbers load center mm a mass kg single ... 85 1 this value achieved with machined cages when pressed cages are used 80 of this ... value is acceptable 2 bearing numbers appended with the code b have ... a contact angle of 40° bearings with this code have a contact angle of ... | |
| grease oil kgf static cor dynamic cr bearing numbers load center mm a mass kg single ... 120 1 this value achieved with machined cages when pressed cages are used 80 of this ... value is acceptable 2 bearing numbers appended with the code b have ... a contact angle of 40° bearings with this code have a contact angle of ... | |
| grease oil kgf 1 static cor dynamic cr bearing numbers load center mm a mass kg single ... with laminated phenol resin machined cages in the case of molded resin cages,with ... | |
| grease oil kgf 1 static cor dynamic cr bearing numbers load center mm a mass kg single ... with laminated phenol resin machined cages in the case of molded resin cages,with ... | |
| grease oil kgf 1 static cor dynamic cr bearing numbers load center mm a mass kg single ... with laminated phenol resin machined cages in the case of molded resin cages,with ... | |
| grease oil kgf 1 static cor dynamic cr bearing numbers load center mm a mass kg single ... with laminated phenol resin machined cages in the case of molded resin cages,with ... | |
| self-aligning ball bearings 1 design features and characteristics ... ring raceway of self-aligning ball bearings forms a spherical surface whose center ... is common to the bearing center the inner ring of the bearing ... the balls cage and inner ring of these bearings are capable of a shifting in order to ... with the outer rings as a result the bearing is able to align itself and compensate ... for shaft housing finishing unevenness bearing fitting error and other sources of ... load capacity is limited self-aligning bearings are not suitable for applications with ... standard cage types self aligning ball bearings use pressed cages with the exception of ... 1200-1206 series which use molded resin cages the material characteristics of the ... resin cages make them unsuitable for use in ... | |
| cylindrical roller bearings cylindrical roller bearing e type ... cylindrical roller bearing double row cylindrical roller bearing ... four row cylindrical roller bearing 1 types design features and ... rolling elements in cylindrical roller bearings make line contact with raceways these ... bearings can accommodate heavy radial loads the ... the inner or outer ring therefore these bearings are also suitable for high speed ... furthermore cylindrical roller bearings are separable and relatively easy to ... the various types of cylindrical roller bearings type e has a high load capacity and its ... of a lubricating film inside the bearing is difficult double and multiple row ... bearing arrangements are also available for ... non-separable full complement sl type bearing offers special advantages table 1 shows ... | |
| cylindrical roller bearings 2 standard cage types table 3 shows the ... varieties for cylindrical roller bearings the basic rated loads listed in the ... to values achieved with the standard cages listed in table 3 furthermore please ... note that even for the identical bearing in cases where the number of rolling ... values vary somewhat depending on bearing type and internal specifications under ... misalignments have been set as follows bearing width series 0 or 1 bearing width ... series 2 double row cylindrical roller bearings 1 0.001 rad 3.5 0.0005 rad 1.5 0. ... rad 1.5 table 3 standard cage types bearing series nu10 nu 2 nu2e nu22 nu22e nu3 ... /500 1 does not include high precision bearings for machine tool main shaft ... 2356 2312e 2332e note 1 within the same bearing series cage type is identical even if ... | |
| cylindrical roller bearings b r r1 r b r1 r r1 r1 j r1 r d ew r d d ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... 40 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| cylindrical roller bearings b r r1 r b r1 r r1 r1 j r1 r d ew r d d ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... 60 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| cylindrical roller bearings b r r1 r b r1 r r1 r1 j r1 r d ew r d d ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... 75 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| cylindrical roller bearings b r r1 r b r1 r r1 r1 j r1 r d ew r d d ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... n n 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| cylindrical roller bearings b r r1 r b r1 r r1 r1 j r1 r d ew r d d ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... 120 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| cylindrical roller bearings b r r1 d d fw j r r1 j r1 r d ew r b r1 ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... n n 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| cylindrical roller bearings b r r1 d d fw j r r1 j r1 r d ew r b r1 ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... 200 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| cylindrical roller bearings b r r1 d d fw j r r1 j r1 r d ew r b r1 ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... 360 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| cylindrical roller bearings b r r1 d d fw j r r1 j r1 r d ew r b r1 ... speeds static rpm cor grease oil 1 bearing numbers kgf cor cr cr type nu type nj ... 1 this value achieved with machined cages when pressed cages are used 80 of this ... | |
| four-row cylindrical roller bearings bearing numbers dimensions drawing no mass fw ... 40.5 b-121 note drawing 1 represents a bearing with solid rollers and machined cage ... | |
| four-row cylindrical roller bearings bearing numbers dimensions drawing no mass fw ... 130 b-123 note drawing 1 represents a bearing with solid rollers and machined cage ... drawing 2 represents a bearing with hollow rollers and pin type cage ... | |
| four-row cylindrical roller bearings bearing numbers dimensions drawing no mass fw ... 383 341 540 note drawing 1 represents a bearing with solid rollers and machined cage ... drawing 2 represents a bearing with hollow rollers and pin type cage b ... | |
| four-row cylindrical roller bearings bearing numbers dimensions drawing no mass fw ... inner ring note drawing 1 represents a bearing with solid rollers and machined cage ... drawing 2 represents a bearing with hollow rollers and pin type cage b ... | |
| four-row cylindrical roller bearings bearing numbers dimensions drawing no mass fw ... 2 2 3 3 3 3 note drawing 2 represents a bearing with hollow rollers and pin type cage b ... | |
| tapered roller bearings single row tapered roller bearings ... double row tapered roller bearings four row tapered roller bearings 1 ... and characteristics tapered roller bearings are designed so that the center lines ... the inner ring a large variety of these bearings including single double and four row ... the various types of tapered roller bearings and their characteristics table 1 ... tapered roller bearing types and characteristics type ... from 3xx will henceforth use the bearing number 2 in addition to level type ... two types single row tapered roller bearings 3 subunits tapered roller bearings can ... ring known as the cup these are the bearing s subunits subunit dimensions are ... standard however high precision grade bearings are generally not interchangeable and ... | |
| tapered roller bearings table 1 continued type characteristics ... and 4t types et and 4t tapered roller bearings are made of high-purity case hardened ... be applied as follows 4t tapered roller bearings et tapered roller bearings a a 2 2 1.4 ... listed in the dimension tables et type bearings are also manufactured for some extra ... small bearing sizes for details consult ntn ... engineering 5 these bearings are constructed to have a high capacity ... a pure radial load is placed on the bearings an induced load in the axial direction ... is also generated and so these bearings are generally used in pairs arranged ... adjusting the distance between the two bearings inner and outer rings 7 inner and ... interference fit 8 tapered roller bearings are also manufactured with flanges ... to diagram 3 single row tapered roller bearings diagram 3 1 outward facing types using ... | |
| tapered roller bearings 2 standard cage type in general pressed ... cages are used in tapered roller bearings however for large sized bearings ... machined or pin type cages are also used and for small sized ... bearings molded resin cages are also used 3 allowable misalignment ... | |
| four row tapered roller bearings bearing numbers abutment and fillet dimensions ... 180 152 164 143 143 140 115 127 note 1 bearing numbers marked designate inch ... system bearings 2 bearing numbers marked designate bearing ... with hollow rollers and pin type cages ... | |
| four row tapered roller bearings bearing numbers abutment and fillet dimensions ... 148 170 89.5 106 145 173 236 520 note 1 bearing numbers marked designate inch ... system bearings 2 bearing numbers marked designate bearing ... with hollow rollers and pin type cages ... | |
| four row tapered roller bearings bearing numbers abutment and fillet dimensions ... 600 198 232 297 430 400 600 509 note 1 bearing numbers marked designate inch ... system bearings 2 bearing numbers marked designate bearing ... with hollow rollers and pin type cages ... | |
| four row tapered roller bearings bearing numbers abutment and fillet dimensions ... 750 890 388 502 625 845 1,080 note 1 bearing numbers marked designate inch ... system bearings 2 bearing numbers marked designate bearing ... with hollow rollers and pin type cages b-223 ... | |
| four row tapered roller bearings bearing numbers abutment and fillet dimensions ... 2,210 1,310 2,480 3,960 3,010 note 1 bearing numbers marked designate inch ... system bearings 2 bearing numbers marked designate bearing ... with hollow rollers and pin type cages ... | |
| four row tapered roller bearings bearing numbers abutment and fillet dimensions ... 1,950 3,640 4,100 4,100 6,130 note 1 bearing numbers marked designate inch ... system bearings 2 bearing numbers marked designate bearing ... with hollow rollers and pin type cages b-227 ... | |
| spherical roller bearings 1 types construction and ... characteristics spherical roller bearings consist of an outer ring having a ... by a center rib refer to diagram 1 this bearing has self-aligning properties and ... error or shaft flexure spherical roller bearings have a large capacity for radial loads ... various other types of spherical roller bearings among these type e has a particularly ... high load capacity in addition to bearings with cylindrical bore diameters those ... bore diameters are also available bearings with tapered bore diameters are ... the suffix k to the end of the bearing s basic number the standard taper ratio ... is 1:12 for bearings with a k suffix but for bearings in ... k30 indicates the taper ratio for a bearing is 1:30 most tapered bore bearings ... 1 table 1 types of spherical roller bearings type standard type b type c type 213 ... | |
| spherical roller bearings 2 standard cage types hwzd standard ... cage types for self-aligning bearings are shown in table 2 in general pressed ... cages are standard for small sized bearings and machined cages are standard for ... large sized bearings e type bearings use as their standard cage type a cage ... units mm oil groove depth h nominal bearing oil groove oil inlet width width ... 3.5 5.0 6.5 table 2 standard cage types bearing molded resin cage series pressed cage ... 22264b table 4 oil inlet number nominal bearing outer diameter mm over up to including ... oil groove dimensions spherical roller bearings with an outer diameter of 320mm or more ... purpose of supplying lubricant to the bearing s moving parts when necessary oil ... and oil grooves can also be provided on bearings with outer diameters less than 320 mm ... | |
| spherical roller bearings brrddd cylindrical bore tapered bore ... speeds static rpm cor grease oil 1 bearing numbers 2 d d cr cylindrical bore ... 1 this value was achieved with machined cages and molded resin cages for pressed ... cages 75 of this value is allowable 2 k ... indicates bearings have tapered bore with a taper ratio of ... | |
| spherical roller bearings brrddd cylindrical bore tapered bore ... speeds static rpm cor grease oil 1 bearing numbers 2 d d cr cylindrical bore ... 1 this value was achieved with machined cages and molded resin cages for pressed ... cages 75 of this value is allowable 2 bearings appended with k have a tapered bore ... ratio of 1:12 bearings appended with k30 have a tapered bore ... | |
| spherical roller bearings brrddd cylindrical bore tapered bore ... speeds static rpm cor grease oil 1 bearing numbers 2 d d cr cylindrical bore ... 1 this value was achieved with machined cages and molded resin cages for pressed ... cages 75 of this value is allowable 2 bearings appended with k have a tapered bore ... ratio of 1:12 bearings appended with k30 have a tapered bore ... | |
| spherical roller bearings brrddd cylindrical bore tapered bore ... speeds static rpm cor grease oil 1 bearing numbers 2 d d cr cylindrical bore ... 1 this value was achieved with machined cages and molded resin cages for pressed ... cages 75 of this value is allowable 2 bearings appended with k have a tapered bore ... ratio of 1:12 bearings appended with k30 have a tapered bore ... | |
| list catalog titles ball and roller bearings ball and roller bearings large bearings ... plastic cages for rolling element bearings miniature and extra small ball bearings ... miniature molded rubber bearings vacuum bearings care and maintenance of ... bearings ultra-clean bearings hl bearings bearings with solid grease large size ... long operating life bearing-ea type tapered roller bearings eco-top ... self-aligning spherical roller bearings lh series super slim ball bearings ... ceramic ball angular-contact bearings insulated bearings-resin coated type ... cross roller thrust bearings type e spherical roller bearings sealed ... self-aligning roller bearings-wa type aerospace bearings precision ... rolling bearings for machine tools needle roller ... | |
