ZKLFA1263-2Z INA Catalog

Angular contact ball bearing units ZKLFA..-2Z, double direction, for screw mounting, gap seals on both sides

d	Bore diameter	12 mm
D	Outside diameter	42 mm
B	Width	25 mm
Ca	Basic dynamic load rating, axial	17.100 N
C0a	Basic static load rating, axial	25.000 N
Cua	Fatigue load limit, axial	1.140 N
nG Grease	Limiting speed for grease lubrication	12.000 1/min
nϑ	Thermally permissible speed	7.600 1/min
≈m	Weight	0,277 kg
da min	Minimum diameter shaft shoulder	16 mm
da max	Maximum diameter of shaft shoulder	31 mm
na	Number of screws	4
d1	Rib diameter inner ring	25 mm
rmin	Minimum chamfer dimension	0,3 mm
r1 min	Minimum chamfer dimension	0,6 mm
B1	Thickness of flange	10 mm
d2	Fixing boring diameter	6,8 mm
J	Pitch circle diameter (holes)	53 mm
A	Flange width	45 mm
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	120 °C
MRL	Bearing friction torque	0,08 Nm
caL	Rigidity axial	375 N/µm
ckL	Tilting stiffness	50 Nm/mrad
Mm	Mass moment of inertia	0,068 kg * cm²
MA	Tightening torque nut	8 Nm
Sealing	Minimal gap seals on both sides	2Z