ZKLF2068-2RS-2AP-XL INA Catalog

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

d	Bore diameter	20 mm
D	Outside diameter	68 mm
B	Width	56 mm
Ca	Basic dynamic load rating, axial	46.000 N
C0a	Basic static load rating, axial	94.000 N
Cua	Fatigue load limit, axial	5.700 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	0,45 Nm
≈m	Weight	1,14 kg
da min	Minimum diameter shaft	25 mm
na	Number of holes in adjacent construction	8
ta	Pitch separation angle of holes in adjacent construction	45 °
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	47 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	1.150 N/µm
ckL	Tilting rigidity	320 Nm/mrad
Mm	Mass moment of inertia	0,564 kg * cm²
MA	Tightening torque for the recommended INA precision locknut	18 Nm
Number of bearings	Axial angular contact ball bearings, matched pair	2AP
Sealing	Contact lip seals on both sides	2RS
Tolerance class		Standard