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FAG
248/800-B-K30-MB
Spherical Roller Bearing 248/800-B-K30-MB
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Main Dimensions & Performance Data
d
800 mm
Bore diameter
D
980 mm
Outside diameter
B
180 mm
Width
Cr
4,650,000 N
Basic dynamic load rating, radial
C0r
14,000,000 N
Basic static load rating, radial
Cur
850,000 N
Fatigue load limit, radial
nG
540 1/min
Limiting speed
nϑr
146 1/min
Reference speed
≈m
293.5 kg
Weight

Mounting dimensions
da min
818 mm
Minimum diameter shaft shoulder
Da max
962 mm
Maximum diameter of housing shoulder
ra max
4 mm
Maximum recess radius

Dimensions
rmin
5 mm
Minimum chamfer dimension
D1
925.4 mm
Bore diameter outer ring
ds
8 mm
Diameter lubrication hole
ns
15 mm
Width of lubricating groove

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

Calculation factors
e
0.16
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y1
4.11
Dynamic axial load factor
Y2
6.12
Dynamic axial load factor
Y0
4.02
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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