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FAG
K46780-46720
Tapered roller bearing K46780-46720
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Main Dimensions & Performance Data
d
158.75 mm
Bore diameter
D
225.425 mm
Outside diameter
B
39.688 mm
Width, inner ring
C
33.338 mm
Width, outer ring
T
41.275 mm
Width, total
Cr
239,000 N
Basic dynamic load rating, radial
C0r
520,000 N
Basic static load rating, radial
Cur
57,000 N
Fatigue load limit, radial
nG
2,950 1/min
Limiting speed
nϑr
1,950 1/min
Thermal speed rating
≈m
5.564 kg
Weight

Mounting dimensions
da max
169 mm
Maximum diameter of shaft shoulder
db min
176 mm
Minimum diameter of shaft shoulder
Da min
209 mm
Minimum diameter of housing shoulder
Da max
213 mm
Maximum diameter of housing shoulder
Db min
218 mm
Minimum diameter of housing shoulder
Ca min
2.5 mm
Minimum axial space
Cb min
7.5 mm
Minimum axial space
ra max
3.6 mm
Maximum fillet radius of shaft
rb max
3.3 mm
Maximum fillet radius of housing

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

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

Calculation factors
e
0.38
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.57
Dynamic axial load factor
Y0
0.86
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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