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ZARN2572-TV
Needle roller/axial cylindrical roller bearing ZARN2572-TV
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Main Dimensions & Performance Data
d
25 mm
Bore diameter
D
72 mm
Outside diameter
H
60 mm
Hight
Ca
80,000 N
Basic dynamic load rating, axial
C0a
199,000 N
Basic static load rating, axial
Cr
24,300 N
Basic dynamic load rating, radial
C0r
41,500 N
Basic static load rating, radial
Cua
18,600 N
Fatigue load limit, axial
Cur
6,000 N
Fatigue load limit, radial
nG Oil
4,900 1/min
Limiting speed for oil lubrication
nG Grease
1,400 1/min
Limiting speed for grease lubrication
MRL
1.6 Nm
Bearing friction torque
≈m
1.205 kg
Weight

Mounting dimensions
Da max
63 mm
Maximum diameter of housing shoulder
da min
45 mm
Minimum diameter shaft shoulder

Dimensions
H1
40 mm
Height outer ring over wave washer
C
20 mm
Width, outer ring
D1
62 mm
Rip diameter shaft washer
B
12.5 mm
Width, inner ring
rmin
0.3 mm
Minimum chamfer dimension
r1 min
0.6 mm
Minimum chamfer dimension

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
120 °C
Operating temperature max.

Additional information
caL
3,000 N/µm
Rigidity axial
ckL
800 Nm/mrad
Tilting stiffness
Mm
3.88 kg*cm2
Mass moment of inertia
1 µm
Axial runout
radial
ZMA25/58
Recommended INA precision locknut for radial locking (not included)
axial
AM25
Recommended INA precision locknut for axial locking (not included)
MA
55 Nm
Tightening torque nut
20,790 N
Preload force axial

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