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medias® Home Rolling and plain bearings, accessories NA49 NA4909
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Needle roller bearings NA4909

dimension series 49, to DIN 617/ISO 1206

Needle roller bearings NA4909, dimension series 49, to DIN 617/ISO 1206
Radial loadNot sealedGrease lubricationOil lubricationSmall design envelope
Needle roller bearings NA4909, dimension series 49, to DIN 617/ISO 1206
 
d 45  mm 
   
D 68  mm 
   
B 22  mm 
   
 
F 52  mm 
   
rmin 0,6  mm 
   
s 1  mm 
  Axial displacement
 
m 271  g 
  Mass
Cr 51000  N 
  Basic dynamic load rating, radial
C0r 73000  N 
  Basic static load rating, radial
Cur 12600  N 
  Fatigue limit load, radial
nG 8600  1/min 
  Limiting speed
nB 4750  1/min 
  Reference speed