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ZKLN2557-2RS-PE INA

Axial angular contact ball bearings ZKLN..-2RS-PE, Increased tolerances, double direction, lip seals on both sides


d Bore diameter 25 mm
D Outside diameter 57 mm
B Width 28 mm
Ca Basic dynamic load rating, axial 27.500 N
C0a Basic static load rating, axial 55.000 N
Cua Fatigue load limit, axial 2.500 N
nG Grease Limiting speed for grease lubrication 5.700 1/min
nϑ Thermally safe operating speed 2.600 1/min
MR Bearing frictional torque 0,4 Nm
≈m Weight 0,354 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 Contact lip seals on both sides 2RS
Tolerance class Less stringent bearing design PE