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Date: 2016-08-22

INA XI120288-N bearing stock, Dimensions, Drawing

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



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