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ZKLN2557-2Z-XL INA

Axial angular contact ball bearings ZKLN..-2Z, double direction, gap seals on both sides


d Bore diameter 25 mm
D Outside diameter 57 mm
B Width 28 mm
Ca Basic dynamic load rating, axial 30.500 N
C0a Basic static load rating, axial 55.000 N
Cua Fatigue load limit, axial 3.350 N
nG Grease Limiting speed for grease lubrication 7.500 1/min
nϑ Thermally safe operating speed 4.700 1/min
MR Bearing frictional torque 0,2 Nm
≈m Weight 0,355 kg
da min Minimum diameter shaft 32 mm
d1 Rib diameter inner ring 40,5 mm
rmin Minimum chamfer dimension 0,3 mm
r1 min Minimum chamfer dimension 0,6 mm
α Contact angle 60 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 120 °C
caL Rigidity axial 750 N/µm
ckL Tilting rigidity 200 Nm/mrad
Mm Mass moment of inertia 0,486 kg * cm²
MA Tightening torque for the recommended INA precision locknut 25 Nm
Sealing Minimal gap seals on both sides 2Z
Tolerance class Standard Standard