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ZKLF70155-2Z-XL INA

Axial angular contact ball bearings ZKLF..-2Z, double direction, for screw mounting, gap seals on both sides


d Bore diameter 70 mm
D Outside diameter 155 mm
B Width 45 mm
Ca Basic dynamic load rating, axial 97.000 N
C0a Basic static load rating, axial 241.000 N
Cua Fatigue load limit, axial 14.600 N
nG Grease Limiting speed for grease lubrication 3.800 1/min
nϑ Thermally safe operating speed 2.800 1/min
MR Bearing frictional torque 1,2 Nm
≈m Weight 4,386 kg
da min Minimum diameter shaft 92 mm
na Number of holes in adjacent construction 8
ta Pitch separation angle of holes in adjacent construction 45 °
d1 Rib diameter inner ring 95 mm
rmin Minimum chamfer dimension 0,6 mm
r1 min Minimum chamfer dimension 0,6 mm
J Pitch circle diameter fixing holes 130 mm
d2 Fixing holes diameter 8,8 mm
b Width of extraction slot 3 mm
I Distance of extraction slot 35 mm
n Pitch quantity of fixing holes 8
t Pitch separation angle of fixing holes 45 °
a Contact angle 60 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 120 °C
caL Rigidity axial 1.450 N/µm
ckL Tilting rigidity 2.250 Nm/mrad
Mm Mass moment of inertia 19,8 kg * cm²
MA Tightening torque for the recommended INA precision locknut 130 Nm
Sealing Minimal gap seals on both sides 2Z
Tolerance class Standard