Catalog: BEAREE
Company/Brand: NTN Corporation Japan
selection of bearing in BEAREE by NTN Corporation Japan
1 2 3 4 5 6 7 8 4 material grades of ntn engineering plastics features of ... standard dimensions introduction of materials and products for applications ... materials for bearing applications design and selection for ... bearing applications technical reference ...
page material grades of ntn engineering plastics 06 6 08 series ... of standard sliding bearings 09 boundary dimensions of ar and arf10 ... boundary dimensions of brf and tw 11 boundary dimensions of ml ... 12 boundary dimensions of mlc 14 boundary dimensions of mlcf 16 ... boundary dimensions of mlcw 16 9 17 material standard ... charges 22 37 5-1 features of grades and typical characteristic ... 2 chemical characteristics 45 38 45 6-1 selection of bearing material pv value 46 6-2 ... estimation of wear 46 6-3 fits and clearance47 6-4 ... data 55 50 57 58 confirmation sheet of conditions for use can be found on the ...
introduction of materials and products for applications ... a backing metal or using a thin layer of plastics which is reinforced with ... the bearee pi series with a base resin of polyimide can carry 50 to 100 mpa of ... lubrication type pillow block anchor bearing for buoy transmission thrust bearings ... this material can carry up to 200 mpa of pressure under low speed conditions the ... figure 21 shows the section view of this material compact design can be ... achieved due to its thickness of 0.5mm it is recommended to bond this ... type spherical plain bushing king-pin bearing crane shock absorber door hinge plastic ... bronze mesh wire figure 6 structure of bearee fl9000 photograph 8 the sliding ... bearings for high pressure load 29 ...
introduction of materials and products for applications ... with other materials the advantages of each material can be utilized of components can be decreased < ... copying machine heat roller bearing pressure roller and mirror slide ... bearing printer carriage bearing slide bearing for data recorder seal ring for ... door guide shoe for elevator of composite bearee material rubber ...
materials for bearing applications 5-2 chemical compatibility ... of each grade ntn engineering plastics ... all chemicals chemical resistance of the base resins of bearee materials are ... table shows the characteristics of base resin on each grade therefore they ... to the contained filler contact us for selection table 21 chemical properties of ntn ... uh as lc pk ny dm <3000type description of symbols excellent normal ... chemical resistance is the resistance of the base resin only and characteristics ... of each grade may differ depending on its ...
6 design and selection for bearing applications 6-2 estimation of wear the ... life of an ntn engineering plastics bearing is defined by the wear of sliding ... surface as with an ordinary plain bearing the amount of wear varies with ... such as sliding velocity pressure type of motion surface roughness of mating ... temperature generally the estimation of wear is given by the following formula ... rkpvt where r the amount of wear mm k wear factor mm min mpa m h ... m min t time h surface roughness of the mating material influences the wear ... of the ntn engineering plastics bearing therefore finish the surface to 0.1 to ... 8a moreover ntn recommends the hardness of shaft to be hrc 22 or higher since it ... is harder of wear of r-ar1515 sleeve bearing made of ...
design and selection for bearing applications 6-3 fits and clearance ... plain bearings are usually pressed into a housing the ... for operation varies by the size of shaft though it can be as small as 0. ... varies widely the thermal expansion of bearing material should be taken into ... increase the clearance by the amount of thermal expansion with decreases the ... it is also possible to finish the bore of mounted bearing by turning or reaming ... clearance are listed in the tables of standard series of ntn engineering ... plastics sliding bearings the mounted clearance may increase for ... also it is recommended to fix the bearing with a knock-pin key or bonding since ... interference fit might be lost when the bearing is used under low temperature ¡ ... calculation of bearing clearance except m-liner bearing the ...
design and selection for bearing applications 1 calculation of clearance ... fh dh hl minimum fl dl hh 2 reduction of bearing bore dimension due to ... fl 1.0 minimum emin 3 bore dimension of bearing at standard temperature when ... bore diameter dh maximum bore diameter of bearing dl minimum bore diameter of ... bearing dh maximum outer diameter of bearing dl minimum outer diameter of bearing ... clearance for ntn engineering plastic bearing is required 2 7/1000 of shaft diameter ... as 100 of type ar sleeve bearing rar1010 made of ... 0.018 therefore hh 14 hl 13.982 +0.24 bearing i.d 10 +0.19 therefore dh 10.24 dl ... 10.19 bearing o.d 14 +0.10 therefore dh 14.10 dl ... .05 14.00 0.05 0.118 1 0.118 reduction of bearing bore emax fh 0.05 1 0.05 emin ...
design and selection for bearing applications 3 calculation of clearance ... avoid hammering when pressing the bearing into the housing use press machine with ... shown in figure 19 after centering bearing and be sure that the housing chamfer is ... a knock pin or key to prevent rotation of the bearing or use an adhesive to ... fasten the bearing for low temperature application because ... be loosened remarks large-sized plastic bearings can be installed easily by cooling the ... bearing with dry ice 22 22 tl 25 tl 25 3 ... 1 33 tl 25 2 where 11 coefficient of linear expansion of housing for tl°c 22 ... coefficient of linear expansion of shaft for tl°c 33 coefficient of ... linear expansion of bearing for tl°c press ram arbor bearing ... or chipped 2 the surface roughness of mating material greatly affects bearing ...
reference 7-1 design guideline of sliding performance parts required ... characteristics confirmation of product s specifications introduction ... of materials and products for applications ... 33 34 35 36 37 application/confirmation of environmental conditions sliding ... electrostatic charges confirmation of operating conditions cases without ... bearings sliding materials for high contact ... plastics materials for gears cases with bearings materials for separating pins sliding ... for sliding applications 1 confirmation of a standard product dimension cases ... selecting materials 2 in the case of using the standard product check the ... to 49 remarks if the application is for bearings and seal rings use the check list of ...
