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medias® Home Rolling and plain bearings, accessories VLA20 VLA200644-N
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Four point contact bearings VLA200644-N

light series 20, external gear teeth, lip seals on both sides

Four point contact bearings VLA200644-N, light series 20, external 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 534  mm 
  Tolerance: +0,6
Da 742,3  mm 
   
 
Di 645,5  mm 
  Tolerance: +0,6
Di ZT 647  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
d0 732  mm 
   
da 642,5  mm 
  Tolerance: -0,6
di ZT 536  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
H 56  mm 
   
La 685  mm 
   
Li 562  mm 
   
m 6  mm 
  Tooth modulus
na 16 
  Number of fixing holes in outer ring
ni 16 
  Number of fixing holes in inner ring
z 122 
  Number of teeth
 
m 48,5  kg 
  Mass
Fr per 66100  N 
  Maximum permissible radial load against friction lock
Fz norm 21300  N 
  Maximum permissible tooth force (dedendum fatigue strength)
Fz max 31500  N 
  Max. permissible tooth force against tooth fracture in dedendum
Ca 200000  N 
  Basic dynamic load rating, axial
C0a 455000  N 
  Basic static load rating, axial
Cr 131000  N 
  Basic dynamic load rating, radial
C0r 171000  N 
  Basic static load rating, radial
   
  4 taper type lubrication nipples, DIN 71412-A S8x1, spaced uniformly on circumference
   
  Bearings are also available without holes in the bearing rings.