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U-Joint Part Na4909-2RS Na4909-Rsr-XL Na4909-XL NTN IKO NSK Koyo Snr NACHI Na4903 Na4904 Na4905 Na4906 Na4907 Na4908 Na4910 Na4911 Na4909 Needle Roller Bearing

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Cn Industrial Co., Ltd.

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NA4909 XL 2RSR-XL 2RS
500000 PCS
OEM Customed Service
Global
Chrome Steel
Standard Duty
Original Package
1-3days
Automobile Gearbox
CNBRG
Original
45*68*22 mm
China
Product Description


Needle roller bearing
 
Needle bearing is a roller bearing with a cylindrical roller that is both thin and long relative to its diameter. This roller is called a needle roller. Although it has a small cross section, the bearing still has a high load bearing capacity, the needle bearing is equipped with a thin and long roller (roller diameter DS5mm, L/D22.5, L is the length of the roller), so the radial structure is compact, its inner diameter size and load capacity are the same as other types of bearings, and the outer diameter is the smallest, especially suitable for radial installation size limited support structure.
 
According to the different occasions, bearings or needle roller and cage components without inner rings can be selected, and the journal surface and shell hole surface matched with the bearing are directly used as the inner and outer rolling surface of the bearing. In order to ensure that the load capacity and operating performance are the same as that of the bearing, the hardness, processing accuracy and surface quality of the shaft or shell hole raceway surface should be similar to the raceway of the bearing ring. Such bearings can only bear radial loads.

Product Parameters

NA4900 SeriesNA4800 SeriesNA6900 SeriesNAV4000 SeriesHK Series
Model Size (MM)Model Size (MM)Model Size (MM)Model Size (MM)Model Size (MM)
NA490010*22*13NA4822110*140*30NA690010*22*22NAV400215*32*17HK101010*14*10
NA490112*24*13NA4824120*150*30NA690112*24*22NAV400317*35*18HK101210*14*12
NA490215*28*13NA4826130*165*35NA690215*28*23NAV400420*42*22HK121212*18*12
NA490317*30*13NA4828140*175*35NA690317*30*23NAV400525*47*22HK141214*20*12
NA490420*37*17NA4830150*190*40NA690420*37*30NAV400630*55*25HK151215*21*12
NA490525*42*17NA4832160*200*40NA690525*42*30NAV400735*62*27HK151615*21*16
NA490630*47*17NA4834170*215*45NA690630*47*30NAV400840*68*28HK181618*24*16
NA490735*55*20NA4836180*225*45NA690735*55*36NAV400945*75*30HK201620*26*16
NA490840*62*22NA4838190*240*50NA690840*62*40NAV401050*80*30HK202020*26*20
NA490945*68*22NA4840200*250*50NA690945*68*40NAV401155*90*35HK202520*26*25
NA491050*72*22NA4844220*270*50NA691050*72*40NAV401260*95*35HK252025*32*20
NA491155*80*25NA4848240*300*60NA691155*80*45NAV401365*100*35HK302030*37*20
NA491260*85*25NA4852260*320*60NA691260*85*45NAV401470*110*40HK352035*42*20
NA491365*90*25NA4856280*350*69NA691365*90*45NAV401575*115*40HK402040*47*20
NA491470*100*30NA4860300*380*80NA691470*100*54NAV401680*125*45HK452045*52*20
NA491575*105*30  NA691575*105*54NAV401785*130*45HK502550*58*25
NA491680*110*30  NA691680*110*54    
NA491785*120*35  NA691785*120*63    
NA491890*125*35  NA691890*125*63    
NA491995*130*35  NA691995*130*63    
NA4920100*140*40  NA6920100*140*71    
NA4922110*150*40        
NA4924120*165*45        
NA4926130*180*50        
NA4928140*190*50        
NA4930150*210*60        
NA4932160*220*60        
NA4934170*230*60        
NA4936180*250*69        
 

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