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medias® Home Rolling and plain bearings, accessories VSI25 VSI250855-N
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Four point contact bearings VSI250855-N

standard series 25, internal gear teeth, lip seals on both sides

Four point contact bearings VSI250855-N, standard series 25, 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 710  mm 
   
Da 955  mm 
   
 
Da ZT 953  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (see dimension drawing)
Tolerance: -IT8
Di 853  mm 
   
d0 730  mm 
   
da 857  mm 
   
da ZT 855  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (see dimension drawing)
Tolerance: -IT8
H 80  mm 
   
La 915  mm 
   
Li 794  mm 
   
m 10  mm 
  Tooth modulus
nB 28 
  Number of fixing holes per ring
z 73 
  Number of teeth
 
m 137  kg 
  Mass
Fr per 338800  N 
  Maximum permissible radial load against friction lock
Fz norm 68000  N 
  Maximum permissible tooth force (dedendum fatigue strength)
Fz max 98900  N 
  Max. permissible tooth force against tooth fracture in dedendum
Ca 485000  N 
  Basic dynamic load rating, axial
C0a 2550000  N 
  Basic static load rating, axial
Cr 315000  N 
  Basic dynamic load rating, radial
C0r 1150000  N 
  Basic static load rating, radial
  0,03 - 0,13 
  Radial clearance
  0,05 - 0,24 
  Axial tilting clearance
   
  4 taper type lubrication nipples, DIN 71412-A M10x1, spaced uniformly on circumference and recessed