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FAG
71948-MP-UA
Angular contact ball bearing 71948-MP-UA
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Main Dimensions & Performance Data
d
240 mm
Bore diameter
D
320 mm
Outside diameter
B
38 mm
Width
Cr
188,000 N
Basic dynamic load rating, radial
C0r
265,000 N
Basic static load rating, radial
Cur
9,200 N
Fatigue load limit, radial
nG
2,950 1/min
Limiting speed
nϑr
1,890 1/min
Reference speed
≈m
8.03 kg
Weight

Mounting dimensions
da min
250.2 mm
Minimum diameter of shaft shoulder
Da max
309.8 mm
Maximum diameter of housing shoulder
Db max
314 mm
Maximum diameter of housing shoulder
ra max
2.1 mm
Maximum fillet radius of shaft
ra1 max
1 mm
Maximum fillet radius of housing

Dimensions
rmin
2.1 mm
Minimum chamfer dimension
r1 min
1.1 mm
Minimum chamfer dimension
D1
290.85 mm
Shoulder diameter on outer ring wide side face
d1
270.7 mm
Shoulder diameter on inner ring wide side face
a
99.8 mm
Distance between the apexes of the pressure cones
α
30 °
Contact angle

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

Additional information
Amin
110 µm
Axial clearance per set min.
Tol(+)
16 µm
Tolerance for axial clearance or preload per set

Your current product variant
SealingWithoutNot sealed
CageMPsolid brass cage, ball guided
Tolerance classPNNormal (PN)
Dimensional / heat stabilization S1Rings dimensional stabilized up to 200°
Bearing with matched conditions for fitting in pairsUAbearing set with small axial internal clearance
LubricantWithoutBearing not greased
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