ZKLF2068-2RS-PE INA Catalog

Axial angular contact ball bearing ZKLF..-2RS-PE, double direction, screw mounting

d	Bore diameter	20 mm
D	Outside diameter	68 mm
B	Width	28 mm
Ca	Basic dynamic load rating, axial	26.000 N
C0a	Basic static load rating, axial	47.000 N
Cua	Fatigue load limit, axial	2.130 N
nG Grease	Limiting speed for grease lubrication	6.600 1/min
nϑ	Thermally safe operating speed	3.000 1/min
MR	Bearing frictional torque	0,3 Nm
≈m	Weight	0,594 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	Contact lip seals on both sides	2RS
Tolerance class	Less stringent bearing design	PE