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FAG
23988-K-MB-C3
Spherical Roller Bearing 23988-K-MB-C3
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Main Dimensions & Performance Data
d
440 mm
Bore diameter
D
600 mm
Outside diameter
B
118 mm
Width
Cr
2,230,000 N
Basic dynamic load rating, radial
C0r
5,200,000 N
Basic static load rating, radial
Cur
305,000 N
Fatigue load limit, radial
nG
1,130 1/min
Limiting speed
nϑr
620 1/min
Reference speed
≈m
97.4 kg
Weight

Mounting dimensions
da min
454.6 mm
Minimum diameter shaft shoulder
Da max
585.4 mm
Maximum diameter of housing shoulder
ra max
3 mm
Maximum recess radius
da max
482 mm
Maximum diameter of shaft shoulder
db min
454 mm
Minimum cavity diameter of the sleeve
Ba min
17 mm
Minimum cavity width of the sleeve

Dimensions
rmin
4 mm
Minimum chamfer dimension
D1
552.8 mm
Bore diameter outer ring
ds
12.5 mm
Diameter lubrication hole
ns
23.5 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
3.66
Dynamic axial load factor
Y2
5.46
Dynamic axial load factor
Y0
3.58
Static axial load factor

Additional information
H3988-HG
Adapter sleeve
AH3988-H
Withdrawal sleeve

Your current product variant
Bore typeKTapered, taper 1:12
CageMBSolid brass cage
Radial internal clearanceC3 (Group 3)Internal clearance larger than CN
Relubrication featureStandard
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