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ZKLN1242-2Z-XL
Axial angular contact ball bearing ZKLN1242-2Z-XL
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Main Dimensions & Performance Data
d
12 mm
Bore diameter
0 mm
Bore diameter upper tolerance
-0.005 mm
Bore diameter lower tolerance
D
42 mm
Outside diameter
0 mm
Outside diameter upper tolerance
-0.01 mm
Outside diameter lower tolerance
B
25 mm
Width
0 mm
Width upper tolerance
-0.25 mm
Width lower tolerance
Ca
18,800 N
Basic dynamic load rating, axial
C0a
25,000 N
Basic static load rating, axial
Cua
1,520 N
Fatigue load limit, axial
nG Grease
12,000 1/min
Limiting speed for grease lubrication
nϑ
7,600 1/min
Thermally safe operating speed
MR
0.08 Nm
Bearing frictional torque
≈m
0.197 kg
Weight

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

Dimensions
d1
25 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
375 N/µm
Rigidity axial
ckL
50 Nm/mrad
Tilting rigidity
Mm
0.068 kg*cm2
Mass moment of inertia
2 µm
Axial runout
ZM12
Recommended INA precision locknut for radial locking
MA
8 Nm
Tightening torque for the recommended INA precision locknut
5,307 N
Required locknut force axial

Your current product variant
Sealing2ZMinimal gap seal on both sides
Tolerance classStandard
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