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FAG INA Schaeffler
INA
SX011868
Crossed roller bearing SX011868
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Main Dimensions & Performance Data
d1
340 mm
Bore Diameter
0.007 mm
Bore diameter upper tolerance
-0.029 mm
Bore diameter lower tolerance
Da
420 mm
Outside Diameter
0 mm
Outside diameter upper tolerance
-0.04 mm
Outside diameter lower tolerance
H
38 mm
Height of the assembled bearing
hi
38 mm
heigth inner ring
0.14 mm
Width upper tolerance
-0.14 mm
Width lower tolerance
≈m
12.92 kg
Weight

Dimensions
Di
380.8 mm
Inner diameter outer ring
DM
380 mm
rolling element pitch circle diameter
da
379.2 mm
outer diameter inner ring
h
38 mm
height of individual ring
0 mm
Height of individual ring upper tolerance
-0.05 mm
Height of individual ring lower tolerance
rmin
2.1 mm
chamfer dimension
S
2.5 mm
diameter of lubrication hole

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

Calculation factors
0.025 mm
Running accuracy, radial
0.01 mm
Running accuracy, axial
Sr min
0.01 mm
Minimum radial bearing clearance, at standard bearing clearance
Sr max
0.04 mm
Maximum radial bearing clearance, at standard bearing clearance
Sk min
0.02 mm
Minimum axial tilting clearance, at standard bearing clearance
Sk max
0.08 mm
Maximum axial tilting clearance, at standard bearing clearance
RLOmax
0.005 mm
Low clearance: Radial clearance
RLOmax
0.01 mm
Low clearance: Preload
Ca
265,000 N
Basic dynamic load rating, axial
C0a
1,130,000 N
Basic static load rating, axial
Cr
187,000 N
Basic dynamic load rating, radial (for radial load only)
C0r
550,000 N
Basic static load rating, radial (for radial load only)
NG oil
400 1/min
Limiting speed for oil lubrication with normal clearance
NG Grease
200 1/min
Limiting speed for grease lubrication with normal clearance
61868
Dimensions identical to ISO dimension series 18
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