medias® professional – Product catalogue
www.ina.com |  www.fag.com |  Contact |  Legal notice |  Conditions of use |  Info
Language
Search
Rolling and plain bearings, accessories
Transparent classification of our bearings for rotary motion.
Linear guidance systems
Transparent classification of our linear bearings.
Selection wizards
Bearing selection
The wizard will assist you in the selection of the correct bearing for your design.
Linear selection
The wizard will assist you in the selection of the correct linear guidance system for your design.
Housing selection
The wizard will assist you in the selection of the correct housing for your design
Application examples
Suggestions for your daily work.
Lubricant selection
Lubrication is a design element. You can find the right grease or oil here.
Principles
Here you can find fundamental knowledge on the calculation, lubrication and fitting of bearings.
Lexicon
Here you can find explanations of terms in bearing technology
Interchange list - designations
From this list, you can use the old designation to find the new uniform designation of INA and FAG.
medias® campus
Our online training courses gives you the necessary rolling bearing knowledge in the form of short learning units.
medias® interchange
This function determines appropriate INA and FAG bearings based on designations from other manufacturers.
Help
Is something unclear? Our help system can assist you.
medias® gadget
Integrate the medias product search in your webpage.
medias® Home Rolling and plain bearings, accessories VSA25 VSA250855-N
Series selection
Product selection
Product data
Description
Calculation
CAD
Shopping basket
Datasheet

Four point contact bearings VSA250855-N

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

Four point contact bearings VSA250855-N, standard series 25, 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 755  mm 
   
Da 997  mm 
   
 
Di 853  mm 
   
Di ZT 855  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
d0 981  mm 
   
da 857  mm 
   
di ZT 757  mm 
  Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
H 80  mm 
   
La 916  mm 
   
Li 795  mm 
   
m 9  mm 
  Tooth modulus
nB 28 
  Number of fixing holes per ring
z 109 
  Number of teeth
 
m 145  kg 
  Mass
Fr per 338800  N 
  Maximum permissible radial load against friction lock
Fz norm 55100  N 
  Maximum permissible tooth force (dedendum fatigue strength)
Fz max 80200  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