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medias® Home Rolling and plain bearings, accessories VSI20 VSI200644-N
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Four point contact bearings VSI200644-N

standard series 20, internal gear teeth, lip seals on both sides

Four point contact bearings VSI200644-N, standard series 20, internal gear teeth, lip seals on both sides
Radial loadAxial load in one directionAxial load in two directionsMoments about all axesSealed on both sidesGrease lubrication
 
di 546  mm 
   
Da 716  mm 
  Tolerance: -0,6
 
Da ZT 714  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (see dimension drawing)
Tolerance: -IT8
Di 645,5  mm 
  Tolerance: +0,6
d0 558  mm 
   
da 642,5  mm 
  Tolerance: -0,6
da ZT 641  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (see dimension drawing)
Tolerance: -IT8
H 56  mm 
   
La 690  mm 
   
Li 605  mm 
   
m 6  mm 
  Tooth modulus
na 36 
  Number of fixing holes in outer ring
ni 36 
  Number of fixing holes in inner ring
z 93 
  Number of teeth
 
m 50  kg 
  Mass
Fr per 148700  N 
  Maximum permissible radial load against friction lock
Fz norm 23700  N 
  Maximum permissible tooth force (dedendum fatigue strength)
Fz max 35000  N 
  Max. permissible tooth force against tooth fracture in dedendum
Ca 200000  N 
  Basic dynamic load rating, axial
C0a 880000  N 
  Basic static load rating, axial
Cr 131000  N 
  Basic dynamic load rating, radial
C0r 385000  N 
  Basic static load rating, radial
   
  4 taper type lubrication nipples, DIN 71412-A S8x1, spaced uniformly on circumference