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ZARN2052-TV
Needle roller/axial cylindrical roller bearing ZARN2052-TV
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Main Dimensions & Performance Data
d
20 mm
Bore diameter
D
52 mm
Outside diameter
H
46 mm
Hight
Ca
33,500 N
Basic dynamic load rating, axial
C0a
76,000 N
Basic static load rating, axial
Cr
14,900 N
Basic dynamic load rating, radial
C0r
22,400 N
Basic static load rating, radial
Cua
6,400 N
Fatigue load limit, axial
Cur
3,400 N
Fatigue load limit, radial
nG Oil
7,000 1/min
Limiting speed for oil lubrication
nG Grease
2,000 1/min
Limiting speed for grease lubrication
MRL
0.5 Nm
Bearing friction torque
≈m
411.6 g
Weight

Mounting dimensions
Da max
43 mm
Maximum diameter of housing shoulder
da min
33 mm
Minimum diameter shaft shoulder

Dimensions
H1
31 mm
Height outer ring over wave washer
C
16 mm
Width, outer ring
D1
42 mm
Rip diameter shaft washer
B
10 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
1,800 N/µm
Rigidity axial
ckL
230 Nm/mrad
Tilting stiffness
Mm
0.615 kg*cm2
Mass moment of inertia
1 µm
Axial runout
radial
ZMA20/38
Recommended INA precision locknut for radial locking (not included)
axial
AM20
Recommended INA precision locknut for axial locking (not included)
MA
18 Nm
Tightening torque nut
8,972 N
Preload force axial

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