Catalog: Ball and Roller Bearings
Company/Brand: NTN Corporation Japan
cylindrical roller thrust bearing in Ball and Roller Bearings by NTN Corporation Japan
technical data a 5 deep groove ball bearings b 5 miniature and extra small bearings ... b 29 angular contact ball bearings b 41 self-aligning ball bearings b 77 ... cylindrical roller bearings b 89 tapered roller bearings b-131 ... spherical roller bearings b-229 thrust bearings b-265 locknuts lockwashers lockplates ...

and characteristics of rolling bearings 1 classification and characteristics of ... rolling bearings 1.1 rolling bearing construction most rolling bearings ... ring rolling elements either balls or rollers and a rolling element retainer the ... come in two general shapes ball or rollers rollers come in four basic styles ... cylindrical needle tapered and spherical balls ... points while the contact surface of rollers is 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 ... 1.2 outer ring inner ring outer ring roller cage roller cage 1.2 classification of ...

and characteristics of rolling bearings single row deep groove ball bearings ... single row angular contact ball bearings radial ball bearings duplex angular ... contact ball bearings double row angular contact ball ... bearings four-point contact ball bearings ball bearings self-aligning ball ... bearings insert ball bearings single direction thrust ball bearings ... high-speed duplex angular contact ball bearings for axial loads thrust ball bearings ... rolling bearings double direction angular contact thrust ... ball bearings single row cylindrical roller bearings double row cylindrical roller ... bearings needle roller bearings radial roller bearings single row tapered roller ...

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 ... rollers yoke type track rollers stud 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 ... with rib roller inscribed circle diameter outer ring ... l-shaped loose rib standout tapered roller cone back face rib cone front face rib ... center cup small inside diameter sid cylindrical roller cone back face cone front face ... cup back 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 ...

bearing selection 2.2 type and character is ... types and characteristics of rolling bearings table 2.1 types and characteristics of ... rolling bearings bearing types deep groove ball bearings angular ... contact angular flange angular aligning roller flange cylindrical ball contact ... cylindrical contact ball bearings cylindrical roller bearings ball bearings ball ... bearings bearings roller bearings roller bearings bearings characteristics load ... for db arrangement for fixed bearings for floating bearings non-separable or ... separable tapered bore bearings remarks reference page b-5 for duplex ... b-89 b-89 tapered multi-row spherical thrust double row spherical angular 4-row ... roller roller ball roller contact bearings tapered bearings bearings thrust ball ...

bearing selection table 2.2 2 bearing arrangement placed oppositely ... axles etc face to face table 2.2 3 bearing arrangement vertical shaft arrangement ... comment application when fixing bearing is a duplex angular contact ball ... bearing non-fixing bearing is a cylindrical roller bearing machine tool spindles ... of the spherical surface of the etc rollers in the upper and lower bearings shaft ... 3 lower self-aligning spherical roller thrust bearing pre-load is possible a-14 ...

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 table 5.2 bearing number ... code 4t et e f h m 5s hl 4t tapered roller bearings et tapered roller bearings ... carburized alloy steel bearings stainless steel bearings high speed ... steel bearings plated bearings ceramic rolling element bearings hl ... high lubrication roller bearings bearing series code basic numbers dimension ... code 1 contact angle deep groove ball bearings type code 6 68 69 60 62 63 78 79 70 72 ... 560 2,360 2,500 angular contact ball bearings a standard contact angle 30° b standard ... ° c standard contact angle 15° tapered roller bearings b contact angle over 10° c to/ ... ° to/including 32° angular contact ball bearings type code 7 self-aligning ball bearings ... 1 2 3 4 1 2 3 ts2 dimension stabilized bearing for high temperature use to 160°c ts3 ...

bearing tolerances 6 bearing tolerances 6.1 dimensional accuracy and ... running accuracy bearing tolerances or dimensional accuracy ... by iso and jis b 1514 standards rolling bearing tolerances for dimensional accuracy ... tolerances necessary when installing bearings on shafts or in housings running ... is defined as the allowable limits for bearing runout during operation dimensional ... bore diameter outer diameter assembled bearing width and bore diameter uniformity as ... raceway width and height variation for thrust bearings running accuracy running ... outer diameter runout allowable rolling bearing tolerances have been established ... 0 corresponds to normal precision class bearings and precision becomes progressively ... classes are applicable to the major bearing types table 6.2 shows a relative ...

bearing fits table 7.3 standard fits for thrust ... bearings jis class 0 and 6 table 7.3 1 shaft ... fits bearing type load conditions fit shaft diameter ... mm over incl tolerance class all thrust bearings combined load centered axial ... or js6 m6 or k6 n6 or m6 self-aligning roller thrust bearings table 7.3 2 housing ... fits bearing type all thrust bearings self-aligning roller thrust bearings ... loads greater accuracy required with thrust ball bearings note all values and fits ... table 7.4 fits for electric motor bearings bearing type deep groove ball bearings ... cylindrical roller bearings shaft fits shaft diameter mm tolerance ...

one of the main functions required of a bearing is that it must have low friction under ... normal operating conditions rolling bearings have a much smaller friction ... coefficient than the slide bearings especially starting friction the ... friction coefficient for rolling bearings is calculated on the basis of the ... bearing bore diameters and is expressed by ... coefficient friction moment nmm load n bearing bore diameter mm 10.1 10.2 temperature ... rise almost all friction loss in a bearing is transformed into heat within the ... bearing itself and causes the temperature of ... the bearing to rise the amount of thermal ... friction coefficient for rolling bearings varies with the type of bearings load ... friction coefficients for various bearing types are listed in table 10.1 table 10 ...

lubrication table 11.5 bearings space ratio k bearing type ball ... bearings 1 nu-type cylindrical roller bearings 2 n-type cylindrical roller bearings 3 ... tapered roller bearings spherical roller bearings 1 remove 160 series 2 remove ... generally for every 10°c increase in bearing temperature above 80°c the ... time limit for deep groove ball bearing 6206 with a radial load of 2.0 kn ... time interval depends on the type of bearing dimensions bearing s rotating speed ... bearing temperature and type of grease an easy ... interval for standard rolling bearing grease when used under normal operating ... increase the grease re from the bearing tables the allowable speed for bearing ... to bore diameter d 30 from bearing table on the vertical line for radial ...

lubrication 11.4 solid grease for bearings with solid grease solid grease is a ... proportion of the lubricant within the bearing the result of this solidification is ... grease does not easily leak from the bearing even when the bearing is subjected to ... strong vibrations or centrifugal force bearings with solid grease are available in two ... grease is standard for deep groove ball bearings small diameter ball bearings and ... bearing units full-pack solid grease is ... standard for self-aligning ball bearings spherical roller bearings and needle ... roller bearings primary advantages 1 clean working ... with minimal grease leakage 2 low bearing torque with spot-pack type solid grease ... to ntn special catalog of solid grease bearings 11.5 oil lubrication oil lubrication is ...

for lubricating oils reference bearing operating temperature °c 30 0 dn-value ... shock load 46 100 68 32 22 32 suitable bearing all types all types all types all types ... but thrust ball bearings single row radial ball bearings ... cylindrical roller bearings all types all types all types but ... thrust ball bearings single row radial ball bearings ... cylindrical roller bearings all types self-aligning roller bearings ... to the amount of heat generated by the bearing and other sources for standard housing ... by formula 11.2 q k q 11.2 assume the bearing temperature is approximately equal to ... .75 0.6 where q quantity of oil for one bearing cm3/min k allowable oil temperature ... is radiated by the housing and that all bearing heat is removed by the oil then the ...

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 ...

double row angular contact thrust ball bearings t1 c r1 r j d ew d d 25 120mm boundary ... ca coa limiting speeds rpm grease oil bearing numbers r1s min 1 ca small dia type ... note 1 for small diameter type the cylindrical bore or tapered bore is provided on the ... small diameter of double row cylindrical roller bearing series nnu49 nn49 and ...
double row angular contact thrust ball bearings t1 c r1 r j d ew d d 130 320mm boundary ... ca coa limiting speeds rpm grease oil bearing numbers r1s min 1 ca small dia type ... note 1 for small diameter type the cylindrical bore or tapered bore is provided on the ... small diameter of double row cylindrical roller bearing series nnu49 nn49 and ...