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FAG INA Schaeffler
INA
XSI140644-N-RR
Crossed roller bearings, with internal gear teeth, lip seals on both sides XSI140644-N-RR
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Main Dimensions & Performance Data
di
546 mm
Bore Diameter
da ZT
641 mm
Diameter centring inner ring
-IT7
Diameter centring inner ring tolerance
t
4.5 mm
Length centering inner ring
Da ZT
714 mm
Diameter centring outer ring
-IT7
Diameter centring outer ring tolerance
T
10 mm
Length centering outer ring
H
56 mm
Height
≈m
50 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
Width outer ring
La
690 mm
Pitchcircle diameter fixing holes outer ring
na
36
Number of fixing holes in outer ring
dB
14 mm
Fixing bore
44.5 mm
Width inner ring
Li
605 mm
Pitchcircle diameter fixing holes inner ring
ni
36
Number of fixing holes in inner ring
M12
Tread fixing bore
tG
20 mm
Thread depth oil connector
b
44.5 mm
Width gearing
m
6 mm
Modul of gearing
z
93
Number of teeth
d0
558 mm
Pitch circle diameter gearing
Fz norm
23,700 N
Max. tooth force root fatigue strenght
Fz max
35,000 N
Max. tooth force against tooth fracture
0.05 mm
Running accuracy
0.05 mm
Running accuracy
0.08 mm
Running accuracy
0.08 mm
Running accuracy

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

Calculation factors
Ca
255,000 N
Basic dynamic load rating, axial
C0a
840,000 N
Basic static load rating, axial
Cr
181,000 N
Basic dynamic load rating, radial (for radial load only)
C0r
415,000 N
Basic static load rating, radial (for radial load only)
VSPmax
0.04 mm
Maximum bearing preload
VSPmin
0.01 mm
Min. bearing preload
Fr zul
148,700 N
Max. radial load fixing screws (friction locking)

Your current product variant
CoatingRRProtected against corrosion by Corrotect special coating
GearingNNormalized gear teeth on bearing ring
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