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ZARF2068-L-TV INA

Needle roller/axial cylindrical roller bearings ZARF..-L, double direction, for screw mounting, long shaft locating washer


d Bore diameter 20 mm
D Outside diameter 68 mm
H Height 60 mm
Ca Basic dynamic load rating, axial 33.500 N
C0a Basic static load rating, axial 76.000 N
Cr Basic dynamic load rating, radial 14.900 N
C0r Basic static load rating, radial 22.400 N
Cua Fatigue load limit, axial 6.400 N
Cur Fatigue load limit, radial 3.400 N
nG Oil Limiting speed for oil lubrication 7.000 1/min
nG Grease Limiting speed for grease lubrication 2.000 1/min
MRL Bearing friction torque 0,5 Nm
≈m Weight 0,534 kg
Da max Maximum diameter of housing shoulder 43 mm
da min Minimum diameter shaft shoulder 28 mm
H1 Height outer ring over wave washer 43 mm
C Width, outer ring 14 mm
C1 Distance to lubrication hole 8 mm
D1 Rip diameter shaft washer 42 mm
D2 Heeldiameter wave washer long 30 mm
D3 Outside diameter wave washer long 40 mm
B Width, wave washer 10 mm
B1 Width wave washer long 24 mm
B2 Width heel wave washer long 12 mm
rmin Minimum chamfer dimension 0,3 mm
r1 min Minimum chamfer dimension 1 0,6 mm
d1 Diameter lubrication hole 3,2 mm
J Pitch circle diameter (holes) 53 mm
n Number (screwing holes) 8
n x t Split 45 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 120 °C
caL Rigidity axial 1.800 N/µm
ckL Tilting stiffness 230 Nm/mrad
Mm Mass moment of inertia 0,683 kg * cm²
radial Recommended INA precision locknut for radial locking (not included) ZMA20/38
axial Recommended INA precision locknut for axial locking (not included) AM20
MA Tightening torque nut 18 Nm
na Number of screws 8
na x ta Division (screwing holes) 45 °
Cage plastic cage TV
Locating Feature , bearing outer ring Stepped shaft locating washer extended on one side L