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medias® Home Rolling and plain bearings, accessories XA XA120235-N
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Crossed roller bearings XA120235-N

with external gear teeth, lip seals on both sides

Crossed roller bearings XA120235-N, with 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 171  mm 
   
Da 318,8  mm 
   
 
b 35  mm 
   
Di 236  mm 
  Tolerance: +/-0,2
Di ZT 238  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
d0 312  mm 
   
da 234  mm 
  Tolerance: +/-0,2
dB 13  mm 
   
di ZT 173  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
H 40  mm 
   
h 35  mm 
   
La 275  mm 
   
Li 195  mm 
   
m 4  mm 
  Tooth modulus
na 12 
  Number of fixing holes in outer ring
ni 12 
  Number of fixing holes in inner ring
T 2,6  mm 
   
t 6  mm 
   
z 78 
  Number of teeth
 
m 13,3  kg 
  Mass
Fr per 49600  N 
  Maximum permissible radial load against friction lock
Fz norm 11000  N 
  Maximum permissible tooth force (dedendum fatigue strength)
Fz max 16100  N 
  Max. permissible tooth force against tooth fracture in dedendum
Ca 135000  N 
  Basic dynamic load rating, axial
C0a 235000  N 
  Basic static load rating, axial
Cr 86000  N 
  Basic dynamic load rating, radial
C0r 115000  N 
  Basic static load rating, radial
  0 - 0,02 
  Bearing clearance: preload
   
  2 taper type lubrication nipples, DIN 71412-A M10x1, spaced uniformly on circumference