Product details from catalogue Inquiry

Drawings:

ZARF2080-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 80 mm
H Height 75 mm
Ca Basic dynamic load rating, axial 64.000 N
C0a Basic static load rating, axial 141.000 N
Cr Basic dynamic load rating, radial 22.600 N
C0r Basic static load rating, radial 36.000 N
Cua Fatigue load limit, axial 13.100 N
Cur Fatigue load limit, radial 5.200 N
nG Oil Limiting speed for oil lubrication 6.000 1/min
nG Grease Limiting speed for grease lubrication 1.500 1/min
MRL Bearing friction torque 1,3 Nm
≈m Weight 1,19 kg
Da max Maximum diameter of housing shoulder 53 mm
da min Minimum diameter shaft shoulder 38 mm
H1 Height outer ring over wave washer 53 mm
C Width, outer ring 18 mm
C1 Distance to lubrication hole 10 mm
D1 Rip diameter shaft washer 52 mm
D2 Heeldiameter wave washer long 40 mm
D3 Outside diameter wave washer long 50 mm
B Width, wave washer 12,5 mm
B1 Width wave washer long 27,5 mm
B2 Width heel wave washer long 13 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) 63 mm
n Number (screwing holes) 12
n x t Split 30 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 120 °C
caL Rigidity axial 2.300 N/µm
ckL Tilting stiffness 400 Nm/mrad
Mm Mass moment of inertia 2,27 kg * cm²
radial Recommended INA precision locknut for radial locking (not included) ZMA20/52
axial Recommended INA precision locknut for axial locking (not included) AM20
MA Tightening torque nut 38 Nm
na Number of screws 12
na x ta Division (screwing holes) 30 °
Cage plastic cage TV
Locating Feature , bearing outer ring Stepped shaft locating washer extended on one side L