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Date: 2016-08-22

INA VA250309-N bearing stock, Dimensions, Drawing

Type:  
 INA Slewing rings
di
235
 
Da
408,4
 
b
52,5
 
Di
308
 
Di ZT
310
Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
d0
400
 
da
310
 
dB
13
 
di ZT
237
Valid for bearings with centring (suffix ZT)
Centring lengths (T, t) (see dimension drawing)
Tolerance: +IT8
H
60
 
h
52,5
 
La
359
 
Li
259
 
m
5
Tooth modulus
na
24
Number of fixing holes in outer ring
ni
24
Number of fixing holes in inner ring
T
3
 
t
8
 
z
80
Number of teeth
m
29,5
Mass
Fr per
99100
Maximum permissible radial load against friction lock
Fz norm
12900
Maximum permissible tooth force (dedendum fatigue strength)
Fz max
18800
Max. permissible tooth force against tooth fracture in dedendum
Ca
325000
Basic dynamic load rating, axial
C0a
650000
Basic static load rating, axial
Cr
215000
Basic dynamic load rating, radial
C0r
295000
Basic static load rating, radial
0,06 - 0,25
0,06 - 0,25
Radial clearance
0,1 - 0,41
0,1 - 0,41
Axial tilting clearance
4 taper type lubrication nipples, DIN 71412, spaced approximately uniformly on circumference



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