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INA
VSA250955-N
Slewing ring, four Point contact bearings, external gear VSA250955-N
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Main Dimensions & Performance Data
di
855 mm
Bore Diameter
H
80 mm
Height
Da
1,096 mm
Outside Diameter
ha
71 mm
Width outer ring
hi
54 mm
height of inner ring
0.03 mm
Normal radial clearance min.
0.13 mm
Normal radial clearance max.
0.05 mm
Normal axial clearance min.
0.24 mm
Normal axial clearance max.
≈m
155 kg
Weight

Dimensions
Di
953 mm
Inner diameter outer ring
da
957 mm
Outside diameter inner ring
ni
30
Number of fixing holes in inner ring
Li
895 mm
Pitchcircle diameter fixing holes inner ring
dB
22 mm
Fixing bore
na
30
Number of fixing holes in outer ring
La
1,016 mm
Pitchcircle diameter fixing holes outer ring
dBa
M20
Tread fixing bore
Gl
40 mm
Thread depth fixing hole
Fr zul
363,000 N
Max. radial load fixing screws (friction locking)
d0
1,080 mm
Pitch circle diameter gearing
m
9 mm
Modul of gearing
z
120
Number of teeth
Fz norm
55,100 N
Max. tooth force root fatigue strenght (at a shock factor of 1,2)
Fz max
80,200 N
Max. tooth force against tooth fracture (at a shock factor of 1,35)

Temperature range
Tmin
-25 °C
Operating temperature min.
Tmax
80 °C
Operating temperature max.

Calculation factors
Ca
370,000 N
Basic dynamic load rating, axial
C0a
3,400,000 N
Basic static load rating, axial
Cr
335,000 N
Basic dynamic load rating, radial
C0r
1,560,000 N
Basic static load rating, radial

Your current product variant
GearingNNormalized gear teeth on bearing ring
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