DKLFA2080-2RS INA Catalog

Angular contact ball bearing units DKLFA..-2RS, double direction, for screw mounting, lip seals on both sides, with flattened flange

d	Bore diameter	20 mm
D	Outside diameter	52 mm
B	Width	35 mm
Ca	Basic dynamic load rating, axial HL	44.500 N
Ca	Basic dynamic load rating, axial	26.000 N
C0a	Basic static load rating, axial HL	110.000 N
C0a	Basic static load rating, axial	47.000 N
Cua	Fatigue load limit, axial HL	2.800 N
Cua	Fatigue load limit, axial	2.070 N
nG Grease	Limiting speed for grease lubrication	5.000 1/min
nϑ	Thermally permissible speed	2.200 1/min
≈m	Weight	0,683 kg
da min	Minimum diameter shaft shoulder	25 mm
da max	Maximum diameter of shaft shoulder	43 mm
n	Number of screws	4
d1	Rib diameter inner ring	34,5 mm
D1	Flange diameter	80 mm
rmin	Minimum chamfer dimension	0,3 mm
r1 min	Minimum chamfer dimension 1	0,6 mm
B1	Thickness of flange	19 mm
d2	Fixing boring diameter	6,8 mm
J	Pitch circle diameter (holes)	63 mm
A	Flange width	62 mm
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	120 °C
MRL	Bearing friction torque	0,45 Nm
caL	Rigidity axial	750 N/µm
caL	Rigidity axial (HL)	1.100 N/µm
ckL	Tilting stiffness	260 Nm/mrad
Mm	Mass moment of inertia	0,553 kg * cm²
(3) r	recommended INA precision locknut for radial locking 3	ZM25
(1), (2) r	recommended INA precision locknut for axial locking 1,2	AM20
MA	Tightening torque nut	18 Nm
(1), (2) a	required locknut force axial 1	8.580 N
Sealing	Contact lip seals on both sides	2RS