PRODUCTS


FAG
7280-B-MPB
Angular contact ball bearing 7280-B-MPB
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Main Dimensions & Performance Data
d
400 mm
Bore diameter
D
720 mm
Outside diameter
B
103 mm
Width
Cr
770,000 N
Basic dynamic load rating, radial
C0r
1,700,000 N
Basic static load rating, radial
Cur
37,500 N
Fatigue load limit, radial
nG
1,330 1/min
Limiting speed
nϑr
830 1/min
Reference speed
≈m
1 g
Weight

Mounting dimensions
da min
426 mm
Minimum diameter of shaft shoulder
Da max
694 mm
Maximum diameter of housing shoulder
Db max
706 mm
Maximum diameter of housing shoulder
ra max
5 mm
Maximum fillet radius of shaft
ra1 max
2.5 mm
Maximum fillet radius of housing

Dimensions
rmin
6 mm
Minimum chamfer dimension
r1 min
3 mm
Minimum chamfer dimension
D1
591.35 mm
Shoulder diameter on outer ring wide side face
d1
533.8 mm
Shoulder diameter on inner ring wide side face
a
286.4 mm
Distance between the apexes of the pressure cones
α
40 °
Contact angle

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
200 °C
Operating temperature max.

Your current product variant
Design variantBB
SealingWithoutNot sealed
CageMPBsolid brass cage, inner ring guided
Tolerance classPNNormal (PN)
Dimensional / heat stabilization S1Rings dimensional stabilized up to 200°
LubricantWithoutBearing not greased
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