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ZARN2557-L-TV INA

Needle roller/axial cylindrical roller bearings ZARN..-L, double direction, long shaft locating washer


d Bore diameter 25 mm
D Outside diameter 57 mm
H Hight 65 mm
Ca Basic dynamic load rating, axial 35.500 N
C0a Basic static load rating, axial 86.000 N
Cr Basic dynamic load rating, radial 22.600 N
C0r Basic static load rating, radial 36.000 N
Cua Fatigue load limit, axial 7.300 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 1.900 1/min
MRL Bearing friction torque 0,55 Nm
≈m Weight 0,592 kg
Da max Maximum diameter of housing shoulder 48 mm
da min Minimum diameter shaft shoulder 34 mm
H1 Height outer ring over wave washer 50 mm
C Width, outer ring 20 mm
D1 Rip diameter shaft washer 47 mm
D2 Heeldiameter wave washer long 36 mm
D3 Outside diameter wave washer long 45 mm
B Width, inner ring 10 mm
B1 Width wave washer long 25 mm
B2 Width heel wave washer long 12 mm
rmin Minimum chamfer dimension 0,3 mm
r1 min Minimum chamfer dimension 0,6 mm
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 120 °C
caL Rigidity axial 1.900 N/µm
ckL Tilting stiffness 350 Nm/mrad
Mm Mass moment of inertia 1,15 kg * cm²
radial Recommended INA precision locknut for radial locking (not included) ZMA25/45
axial Recommended INA precision locknut for axial locking (not included) AM25
MA Tightening torque nut 25 Nm
Cage plastic cage TV
Locating Feature , bearing outer ring Stepped shaft locating washer extended on one side L