ZKLN3072-2Z-XL INA Catalog

Axial angular contact ball bearings ZKLN..-2Z, double direction, gap seals on both sides

d	Bore diameter	30 mm
D	Outside diameter	72 mm
B	Width	38 mm
Ca	Basic dynamic load rating, axial	65.000 N
C0a	Basic static load rating, axial	108.000 N
Cua	Fatigue load limit, axial	6.500 N
nG Grease	Limiting speed for grease lubrication	5.600 1/min
nϑ	Thermally safe operating speed	4.000 1/min
MR	Bearing frictional torque	0,4 Nm
≈m	Weight	0,736 kg
da min	Minimum diameter shaft	47 mm
d1	Rib diameter inner ring	51 mm
rmin	Minimum chamfer dimension	0,3 mm
r1 min	Minimum chamfer dimension	0,6 mm
α	Contact angle	60 °
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	120 °C
caL	Rigidity axial	950 N/µm
ckL	Tilting rigidity	400 Nm/mrad
Mm	Mass moment of inertia	1,91 kg * cm²
MA	Tightening torque for the recommended INA precision locknut	65 Nm
Sealing	Minimal gap seals on both sides	2Z
Tolerance class	Standard	Standard