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medias® Home Rolling and plain bearings, accessories XI XI120288-N
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Crossed roller bearings XI120288-N

with internal gear teeth, lip seals on both sides

Crossed roller bearings XI120288-N, with 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 216  mm 
   
Da 340  mm 
   
 
b 34  mm 
   
Da ZT 338  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: -IT8
Di 289  mm 
   
d0 224  mm 
   
da 287  mm 
   
da ZT 285  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
dB 9  mm 
   
H 38  mm 
   
h 33  mm 
   
La 324  mm 
   
Li 252  mm 
   
m 4  mm 
  Tooth modulus
na 20 
  Number of fixing holes in outer ring
ni 20 
  Number of fixing holes in inner ring
T 5  mm 
   
t 2,5  mm 
   
u 6  mm 
   
z 56 
  Number of teeth
 
m 12  kg 
  Mass
Fr per 35000  N 
  Maximum permissible radial load against friction lock
Fz norm 12300  N 
  Maximum permissible tooth force (dedendum fatigue strength)
Fz max 17800  N 
  Max. permissible tooth force against tooth fracture in dedendum
Ca 150000  N 
  Basic dynamic load rating, axial
C0a 290000  N 
  Basic static load rating, axial
Cr 95000  N 
  Basic dynamic load rating, radial
C0r 141000  N 
  Basic static load rating, radial
  0 - 0,02 
  Bearing clearance: preload
   
  Taper type lubrication nipples, DIN 71412, spaced approximately uniformly on circumference and partially recessed