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INA
XV70
Crossed roller bearing XV70
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Main Dimensions & Performance Data
d1
70 mm
Bore Diameter
0.013 mm
Bore diameter upper tolerance
-0.006 mm
Bore diameter lower tolerance
Da
120 mm
Outside Diameter
0 mm
Outside diameter upper tolerance
-0.022 mm
Outside diameter lower tolerance
hi
17 mm
heigth inner ring
≈m
0.783 kg
Weight

Dimensions
Di
84.5 mm
Inner diameter outer ring
da
83.5 mm
outer diameter inner ring
Ha
16 mm
width outer ring
La
105 mm
pitch circle diameter fixing holes
nB
16
Quantity of fixed holes evenly around the circumfence
dB
5.6 mm
diameter fixing hole outer ring
dS
10 mm
countersunk diameter of fixing holes
tS
5.4 mm
countersunk depth of fixing holes

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

Calculation factors
0.01 mm
Running accuracy, radial
0.01 mm
Running accuracy, axial
Ca
23,600 N
Basic dynamic load rating, axial
C0a
70,000 N
Basic static load rating, axial
Cr
16,900 N
Basic dynamic load rating, radial (for radial load only)
C0r
34,500 N
Basic static load rating, radial (for radial load only)
Fr zul.
10,900 N
Max. radial load screws (frictional contact)
NG Grease
910 1/min
Limiting speed for grease lubrication with normal clearance
NG Grease
455 1/min
Limiting speed for grease lubrication with preload
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