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  14. ZKLN2052-2Z-XL
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ZKLN2052-2Z-XL

Axial angular contact ball bearing
Axial angular contact ball bearings ZKLN..-2Z, double direction, gap seals on both sides
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ZKLN 2052.2Z, ZKLN2052-2Z
​
​
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ZKLN2052-2Z-XL
ZKLN2052-2Z-XL
ZKLN2052-2Z-XL
Main Dimensions & Performance Data
d
20 mm
Bore diameter
0 mm
Bore diameter upper tolerance
-0.005 mm
Bore diameter lower tolerance
D
52 mm
Outside diameter
0 mm
Outside diameter upper tolerance
-0.01 mm
Outside diameter lower tolerance
B
28 mm
Width
0 mm
Width upper tolerance
-0.25 mm
Width lower tolerance
Ca
28,500 N
Basic dynamic load rating, axial
C0a
47,000 N
Basic static load rating, axial
Cua
2,850 N
Fatigue load limit, axial
nG Grease
8,700 1/min
Limiting speed for grease lubrication
nϑ
5,400 1/min
Thermally safe operating speed
MR
0.15 Nm
Bearing frictional torque
≈m
0.311 kg
text.product.weight
Mounting dimensions
Da max
43 mm
Maximum diameter of housing
da min
25 mm
Minimum diameter shaft
Dimensions
d1
34.5 mm
Rib diameter inner ring
rmin
0.3 mm
Minimum chamfer dimension
r1 min
0.6 mm
Minimum chamfer dimension
α
60 °
Contact angle
Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
120 °C
Operating temperature max.
Additional information
caL
650 N/µm
Rigidity axial
ckL
140 Nm/mrad
Tilting rigidity
Mm
0.273 kg*cm2
Mass moment of inertia
2 µm
Axial runout
ZM20
Recommended INA precision locknut for radial locking
AM20
Recommended INA precision locknut for axial locking
MA
18 Nm
Tightening torque for the recommended INA precision locknut
8,258 N
Required locknut force axial

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