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FAG
23980-B-K-MB-C5
Spherical Roller Bearing 23980-B-K-MB-C5
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Main Dimensions & Performance Data
d
400 mm
Bore diameter
D
540 mm
Outside diameter
B
106 mm
Width
Cr
1,830,000 N
Basic dynamic load rating, radial
C0r
4,150,000 N
Basic static load rating, radial
Cur
280,000 N
Fatigue load limit, radial
nG
1,290 1/min
Limiting speed
nϑr
710 1/min
Reference speed
≈m
69.35 kg
Weight

Mounting dimensions
da min
414.6 mm
Minimum diameter shaft shoulder
Da max
525.4 mm
Maximum diameter of housing shoulder
ra max
3 mm
Maximum recess radius
da max
435 mm
Maximum diameter of shaft shoulder
db min
413 mm
Minimum cavity diameter of the sleeve
Ba min
15 mm
Minimum cavity width of the sleeve

Dimensions
rmin
4 mm
Minimum chamfer dimension
D1
499 mm
Bore diameter outer ring
ds
9.5 mm
Diameter lubrication hole
ns
17.7 mm
Width of lubricating groove

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

Calculation factors
e
0.18
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y1
3.71
Dynamic axial load factor
Y2
5.52
Dynamic axial load factor
Y0
3.63
Static axial load factor

Additional information
H3980-HG
Adapter sleeve
AH3980G-H
Withdrawal sleeve

Your current product variant
DesignBwith fixed central rib
Bore typeKTapered, taper 1:12
CageMBSolid brass cage
Radial internal clearanceC5 (Group 5)Internal clearance larger than C4
Relubrication featureStandard
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