Product details from catalogue Inquiry

Drawings:

QJ248-N2-MPA-C3 FAG


d Bore diameter 240 mm
D Outside diameter 440 mm
B Width 72 mm
Cr Basic dynamic load rating, radial 640.000 N
C0r Basic static load rating, radial 1.110.000 N
Cur Fatigue load limit, radial 31.500 N
nG Limiting speed 2.550 1/min
nϑr Reference speed 1.330 1/min
≈m Weight 52,5 kg
da min Minimum diameter shaft shoulder 257 mm
Da max Maximum diameter of housing shoulder 423 mm
ra max Maximum fillet radius 3 mm
rmin Minimum chamfer dimension 4 mm
D1 Shoulder diameter outer ring 367 mm
d1 Shoulder diameter inner ring 312,5 mm
a Distance between the apexes of the pressure cones 238 mm
an Hight retaining slot 15 mm
bn Width retaining slot 12,5 mm
rn Radius retaining slot 2,5 mm
α Contact angle 35 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 200 °C
Cage solid brass cage, outer ring guided MPA
Design, bearing outer ring two retaining grooves in the outer ring on one side N2
Coating Without
Tolerance class Normal (PN) PN
Dimensional / heat stabilization Rings dimensional stabilized up to 200° S1
Axial internal clearance Group 3 (C3), bigger than CN C3