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FAG
K47487-47420-A
Tapered roller bearing K47487-47420-A
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Main Dimensions & Performance Data
d
69.85 mm
Bore diameter
D
120 mm
Outside diameter
B
32.545 mm
Width, inner ring
C
26.195 mm
Width, outer ring
T
32.545 mm
Width, total
Cr
152,000 N
Basic dynamic load rating, radial
C0r
224,000 N
Basic static load rating, radial
Cur
28,500 N
Fatigue load limit, radial
nG
5,800 1/min
Limiting speed
nϑr
3,900 1/min
Thermal speed rating
≈m
1.53 kg
Weight

Mounting dimensions
da max
78 mm
Maximum diameter of shaft shoulder
db min
84 mm
Minimum diameter of shaft shoulder
Da min
107 mm
Minimum diameter of housing shoulder
Da max
115 mm
Maximum diameter of housing shoulder
Db min
114 mm
Minimum diameter of housing shoulder
Ca min
4 mm
Minimum axial space
Cb min
6 mm
Minimum axial space
ra max
3.6 mm
Maximum fillet radius of shaft
rb max
0.5 mm
Maximum fillet radius of housing

Dimensions
r1, 2 min
3.6 mm
Minimum chamfer dimension of inner ring back face
r3, 4 min
0.5 mm
Minimum chamfer dimension of outer ring back face
a
27 mm
Distance between the apexes of the pressure cones
d1
95.2 mm
Guidance rib diameter of inner ring

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

Calculation factors
e
0.36
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.67
Dynamic axial load factor
Y0
0.92
Static axial load factor

Your current product variant
Heat treatmentStandard
CageStandardSheet steel cage, roller-guided
Internal designStandard
Quality levelStandard
Number of rolling element rows1Single-row design
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