Product details from catalogue Inquiry

Drawings:

ZKLF2068-2Z-XL INA

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


d Bore diameter 20 mm
D Outside diameter 68 mm
B Width 28 mm
Ca Basic dynamic load rating, axial 28.500 N
C0a Basic static load rating, axial 47.000 N
Cua Fatigue load limit, axial 2.850 N
nG Grease Limiting speed for grease lubrication 8.700 1/min
nϑ Thermally safe operating speed 5.400 1/min
MR Bearing frictional torque 0,15 Nm
≈m Weight 0,595 kg
da min Minimum diameter shaft 25 mm
na Number of holes in adjacent construction 4
ta Pitch separation angle of holes in adjacent construction 90 °
d1 Rib diameter inner ring 34,5 mm
rmin Minimum chamfer dimension 0,3 mm
r1 min Minimum chamfer dimension 0,6 mm
J Pitch circle diameter fixing holes 53 mm
d2 Fixing holes diameter 6,8 mm
b Width of extraction slot 3 mm
I Distance of extraction slot 19 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 650 N/µm
ckL Tilting rigidity 140 Nm/mrad
Mm Mass moment of inertia 0,273 kg * cm²
MA Tightening torque for the recommended INA precision locknut 18 Nm
Sealing Minimal gap seals on both sides 2Z
Tolerance class Standard