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FAG INA Schaeffler
INA
XSU140844
Slewing ring, Crossed roller bearing, without gear teeth XSU140844
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Main Dimensions & Performance Data
di ZT
774 mm
Diameter centring inner ring
IT7
Diameter centring inner ring tolerance
t
10 mm
Length centering inner ring
Da
914 mm
Diameter centring outer ring
-IT7
Diameter centring outer ring tolerance
T
10 mm
Length centering outer ring
H
56 mm
Height
≈m
60.05 kg
Weight

Dimensions
Di
845 mm
Inner diameter outer ring
0.6 mm
Inner diameter outer ring upper tolerance
0 mm
Inner diameter outer ring lower tolerance
ha
44.5 mm
height outer ring
La
890 mm
Pitchcircle diameter fixing holes outer ring
na
40
Number of fixing holes in outer ring
da
843 mm
Outside diameter inner ring
0 mm
Outside diameter inner ring upper tolerance
-0.6 mm
Outside diameter inner ring lower tolerance
hi
44.5 mm
height of inner ring
dB
14 mm
Fixing bore
Li
798 mm
Pitchcircle diameter fixing holes inner ring
ni
40
Number of fixing holes in inner ring
VSPmin
0.01 mm
Min. bearing preload
VSPmax
0.04 mm
Maximum bearing preload
0.06 mm
Running accuracy A (related to the raceway)
0.06 mm
Running accuracy B (related to the raceway)
0.09 mm
Running accuracy C (related to the raceway)
0.08 mm
Running accuracy D (related to the raceway)

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
80 °C
Operating temperature max.

Calculation factors
Ca
295,000 N
Basic dynamic load rating, axial
Cr
210,000 N
Basic dynamic load rating, radial (for radial load only)
C0a
1,110,000 N
Basic static load rating, axial
C0r
540,000 N
Basic static load rating, radial (for radial load only)
nG
45 1/min
Limiting speed
Fr zu.
165,200 N
Max. radial load screws
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