Product details from catalogue Inquiry

Drawings:

7228-B-XL-MP-UO FAG


d Bore diameter 140 mm
D Outside diameter 250 mm
B Width 42 mm
Cr Basic dynamic load rating, radial 214.000 N
C0r Basic static load rating, radial 231.000 N
Cur Fatigue load limit, radial 11.500 N
nG Limiting speed 4.450 1/min
nϑr Reference speed 3.100 1/min
≈m Weight 8,8 kg
da min Minimum diameter of shaft shoulder 154 mm
Da max Maximum diameter of housing shoulder 236 mm
Db max Maximum diameter of housing shoulder 243 mm
ra max Maximum fillet radius of shaft 2,5 mm
ra1 max Maximum fillet radius of housing 1 mm
rmin Minimum chamfer dimension 3 mm
r1 min Minimum chamfer dimension 1,1 mm
D1 Shoulder diameter on outer ring wide side face 207,5 mm
d1 Shoulder diameter on inner ring wide side face 183,5 mm
a Distance between the apexes of the pressure cones 103 mm
α Contact angle 40 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 200 °C
Amin Axial clearance per set min. 0 µm
Tol(+) Tolerance for axial clearance or preload per set 12 µm
Design variant Design variant B B
Sealing not sealed Without
Cage solid brass cage, ball guided MP
Tolerance class Normal (PN) PN
Bearing with matched conditions for fitting in pairs bearing set clearance-free in O or X arrangement UO
Lubricant Bearing not greased. Without
Dimensional / heat stabilization Rings dimensional stabilized up to 200° S1