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medias® Home Rolling and plain bearings, accessories BK BK4520
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Datasheet

Drawn cup needle roller bearings with closed end BK4520

to DIN 618-1/ISO 3245

Accessories
Drawn cup needle roller bearings with closed end BK4520, to DIN 618-1/ISO 3245
Radial loadNot sealedGrease lubricationOil lubricationSmall design envelope
 
Fw 45  mm 
   
D 52  mm 
   
C 20  mm 
  Tolerance: -0,3
 
Ct min 17,3  mm 
   
rmin 0,8  mm 
   
 
m 72  g 
  Mass
Cr 27000  N 
  Basic dynamic load rating, radial
C0r 59000  N 
  Basic static load rating, radial
Cur 7600  N 
  Fatigue limit load, radial
nG 5900  1/min 
  Limiting speed
nB 4300  1/min 
  Reference speed
  LR40X45x20,5 
  Suitable inner ring
  IR40X45x20,5 
  Suitable inner ring