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FAG
249/750-B-K30-MB
Spherical Roller Bearing 249/750-B-K30-MB
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Main Dimensions & Performance Data
d
750 mm
Bore diameter
D
1,000 mm
Outside diameter
B
250 mm
Width
Cr
7,200,000 N
Basic dynamic load rating, radial
C0r
18,900,000 N
Basic static load rating, radial
Cur
1,200,000 N
Fatigue load limit, radial
nG
510 1/min
Limiting speed
nϑr
143 1/min
Reference speed
≈m
544.2 kg
Weight

Mounting dimensions
da min
773 mm
Minimum diameter shaft shoulder
Da max
977 mm
Maximum diameter of housing shoulder
ra max
5 mm
Maximum recess radius

Dimensions
rmin
6 mm
Minimum chamfer dimension
D1
921.7 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
0.22
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y1
3.1
Dynamic axial load factor
Y2
4.62
Dynamic axial load factor
Y0
3.03
Static axial load factor

Your current product variant
DesignBwith fixed central rib
Bore typeK30Tapered, taper 1:30
CageMBSolid brass cage
Radial internal clearanceCN (Group N)Normal internal clearance
Relubrication featureStandard
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