Catalog: Precision Rolling Bearings | |
| technical data bearing type standard cross section bearing ... type bearing bore mm contact angle remarks ¡the ... n10hsk highspeed single-row cylindrical roller bearing are the same as those of the ... n10k only the bearing clearance is non-interchangeable ¡a ... ceramic-roller-type 5s-n10 is available on request ¡ultage ... the conventional high-speed cylindrical roller bearing n10hsk ¡ultage series ¡this is ... 100 eco-friendly single-row cylindrical roller bearing 240 241 n10hsl k 55 100 plug ... gage for n10-hsk single-row cylindrical roller bearing and nn30k double-row ... cylindrical roller bearing 242 plug gage ring gage ring gage tb ... -hskk n10-hsrk single-row cylindrical roller bearing and nn30k nn30hsk double-row ... cylindrical roller bearing 243 adjustable preload bearing unit ... | |
| technical data 2 ball screw support bearings bearing type cross section bearing type ... lxl/l588 light-contact angular contact thrust ball bearing for ball screws sealed ... type bearing bore mm contact angle remarks ¡ultage ... ¡surface modification treatment on the bearing ring raceways has led to a longer ... bearing life and much improved fretting ... grease the sealed type boasts a longer bearing life and simpler maintenance work ¡all ... 40 30 ¡the allowable axial load of this bearing type is greater owing to the improved ... design 292 293 angular contact ball bearing for ball screws ¡a clearance remains ... between the inner ring of radial bearing and the inner rings of both thrust ... bearings allowing the user to determine the ... based on the starting torque ¡the bearing clearance on certain preloaded bearings ... | |
| technical data 2 bearing accuracy bearing accuracy accuracies of rolling bearings ... and running accuracy of rolling bearings are defined by applicable iso standards ... and jis b 1514 standard rolling bearings tolerances tables 2.4 and 2.5 the ... that must be satisfied when mounting a bearing to a shaft or housing while the running ... run-out occurring when rotating a bearing by one revolution methods for measuring ... the accuracy of rolling bearings optional methods are described in jis b ... 1515 measuring methods for rolling bearings table 2.6 summarizes some typical ... measuring running accuracy of rolling bearings table 2.4 bearing types and applicable ... tolerance bearing type angular contact ball bearings ... cylindrical roller bearigns needle roller bearings metric tapered roller bearings ... | |
| technical data 3 bearings and rigidity the rigidity of the main ... a machine tool is associated with both bearing rigidity and shaft rigidity bearing ... and raceway surface under load usually bearings are preloaded in order to increase the ... under same loading conditions a roller bearing has a higher rigidity than a ball ... bearing of the same size however having sliding ... portions a roller bearing is disadvantageous in supporting a high ... shaft diameter however the supporting bearing must have a sufficient size and its dmn ... accordingly greater of course a larger bearing is disadvantageous for high-speed ... must be considered before the bearing rigidity bearing type and preload and ... type of the ntn angular contact ball bearing for a machine tool is manufactured ... | |
| technical data 4 designing shaft and housing in ... designing a bearing and housing it is very important to ... a sufficient shoulder height for the bearing and housing so as to maintain bearing ... and to avoid interference with the bearing related corner radius the chamfer ... and housing are listed in table 2.11 bearing corner radius dimensions side face of ... bore diameter face rs min or r1s min of bearing or outer rs max or r1s max diameter ... face of bearing axial direction fig 2.15 table 2.10 ... allowable critical-value of bearing chamfer 1 radial bearings except ... tapered roller bearings unit mm 2 metric tapered roller ... bearings unit mm 3 thrust bearings unit mm rs min1 or r1s min 0.05 0.08 0. ... r1s min 0.3 nominal bore3 diameter of bearing d or nominal outside diameter d rs ... | |
| technical data 3 load rating and life 1 bearing life even in bearings operating under ... fatigue and will eventually cause the bearings to fail the effective life of a bearing ... of the total number of revolutions a bearing can undergo before flaking of either ... element surfaces occurs other causes of bearing failure are often attributed to ... etc however these so called causes of bearing failure are usually caused by improper ... lubrication faulty sealing or improper bearing selection since the above mentioned ... causes of bearing failure can be avoided by taking the ... to the dynamic rated load on the bearing therefore the fatigue life of a bearing ... operating conditions rather than a bearing s rating life can significantly affect ... the bearing functions running accuracy rigidity ... | |
| technical data 1 effect of foreign matter on ... antn effect of foreign matter in ball bearing 100 50 35 16 extremely clean normal ... contaminated when stationary rolling bearings are subjected to static loads they ... the subsequent smooth operation of the bearings is impaired it has been found through ... applies to pure radial loads for radial bearings and to pure axial loads for thrust ... bearings the maximum applied load values for ... /c and antn effect of foreign matter in roller bearing for ball bearings 4 200mpa ... 428kgf/mm2 for self-aligning ball bearings 4 600mpa 469kgf/mm2 for roller bearings ... static radial load rating for radial bearings and basic static axial load rating ... for thrust bearings basic static load rating is expressed ... | |
| technical data 5 bearing arrangements and structures of bearings ... for main spindles 1 bearing arrangement for main spindles typical ... examples of bearing arrangements for main spindles of ... are summarized in table 5.1 an optimal bearing arrangement must be determined through ... of lubricant so a main spindle bearing should be selected very carefully table ... 5.1 typical examples of bearing arrangements for main spindles bearing ... arrangement for main spindle bearing type typical applications [type ... tapered roller bearing tapered roller bearing double-row cylindrical roller bearing ... [type double-row cylindrical roller bearing double-direction angular contract ... thrust ball bearing double-row cylindrical roller bearing ... | |
| technical data 2 bearing selection based on bearing arrangement ... for main spindle an optimal bearing product that best suits the application ... is selected by referring to the bearing selection table in table 5.2 which ... contains the possible bearing arrangements for main spindles ¡ ... free side and fixed side ¡select the bearing arrangement type i to xii on the free ... or fixed side table 5.2 bearing selection table fix side free side ... lubrication bearing specifications system applicable ... 2la-hse0/5s-2la-hse0 ¡select a set of bearing specifications applicable to the ... system suitable for the selected bearing specifications ¡select a product group ... considerations for selection procedure bearing selection 1 high-speed performance ... sealed duplex angular contact ball bearing or adjustable preload bearing mechanism ... | |
| technical data life under high temperature the test ... results obtained from thrust-type test pieces at 200°c are graphically ... property test results with a two roller testing machine are illustrated in fig ... schematic of test rig 200 min-1 driven roller 120 min-1 10.1 m/s 2.9 gpa vg2 material ... max contact stress lubricant driving roller driven roller driving roller the ... high temperature life test results with thrusttype test pieces special material 200min ... suj2 fig 8.4 test results with a two roller testing machine 49 ... | |
