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FAG INA Schaeffler
INA
XSU140644
Slewing ring, Crossed roller bearing, without gear teeth XSU140644
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Main Dimensions & Performance Data
di ZT
574 mm
Diameter centring inner ring
IT7
Diameter centring inner ring tolerance
t
10 mm
Length centering inner ring
Da
714 mm
Diameter centring outer ring
-IT7
Diameter centring outer ring tolerance
T
10 mm
Length centering outer ring
H
56 mm
Height
≈m
44.1 kg
Weight

Dimensions
Di
645 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
690 mm
Pitchcircle diameter fixing holes outer ring
na
36
Number of fixing holes in outer ring
da
643 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
598 mm
Pitchcircle diameter fixing holes inner ring
ni
36
Number of fixing holes in inner ring
VSPmin
0.01 mm
Min. bearing preload
VSPmax
0.04 mm
Maximum bearing preload
0.05 mm
Running accuracy A (related to the raceway)
0.05 mm
Running accuracy B (related to the raceway)
0.08 mm
Running accuracy C (related to the raceway)
0.07 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
255,000 N
Basic dynamic load rating, axial
Cr
181,000 N
Basic dynamic load rating, radial (for radial load only)
C0a
840,000 N
Basic static load rating, axial
C0r
415,000 N
Basic static load rating, radial (for radial load only)
nG
59 1/min
Limiting speed
Fr zu.
148,700 N
Max. radial load screws
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