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71811-TN-UO
Angular contact ball bearing 71811-TN-UO
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Main Dimensions & Performance Data
d
55 mm
Bore diameter
D
72 mm
Outside diameter
B
9 mm
Width
Cr
11,800 N
Basic dynamic load rating, radial
C0r
11,800 N
Basic static load rating, radial
Cur
780 N
Fatigue load limit, radial
nG
11,400 1/min
Limiting speed
nϑr
5,600 1/min
Reference speed
≈m
0.082 kg
Weight

Mounting dimensions
da min
57 mm
Minimum diameter of shaft shoulder
Da max
70 mm
Maximum diameter of housing shoulder
Db max
70.6 mm
Maximum diameter of housing shoulder
ra max
0.3 mm
Maximum fillet radius of shaft
ra1 max
0.2 mm
Maximum fillet radius of housing

Dimensions
rmin
0.3 mm
Minimum chamfer dimension
r1 min
0.2 mm
Minimum chamfer dimension
D1
65.3 mm
Shoulder diameter on outer ring wide side face
d1
61.7 mm
Shoulder diameter on inner ring wide side face
a
31.1 mm
Distance between the apexes of the pressure cones
α
40 °
Contact angle

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
120 °C
Operating temperature max.

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

Your current product variant
Design variantBB
SealingWithoutNot sealed
CageTVPsolid cage made of glass-fiber reinforced polyamid PA66
Tolerance classPNNormal (PN)
Dimensional / heat stabilization S0Rings dimensional stabilized up to 150°
Bearing with matched conditions for fitting in pairsUObearing set clearance-free in O or X arrangement
LubricantWithoutBearing not greased
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