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FAG
K34300-34478-B
Tapered roller bearing K34300-34478-B
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Main Dimensions & Performance Data
d
76.2 mm
Bore diameter
D
121.442 mm
Outside diameter
B
23.012 mm
Width, inner ring
C
17.462 mm
Width, outer ring
TF
11.907 mm
Width assembled flange bearing
Cr
82,000 N
Basic dynamic load rating, radial
C0r
113,000 N
Basic static load rating, radial
Cur
13,800 N
Fatigue load limit, radial
nG
5,900 1/min
Limiting speed
nϑr
3,850 1/min
Thermal speed rating
≈m
0.868 kg
Weight

Mounting dimensions
da max
83 mm
Maximum diameter of shaft shoulder
db min
86 mm
Minimum diameter of shaft shoulder
Da min
110 mm
Minimum diameter of housing shoulder
Da max
113 mm
Maximum diameter of housing shoulder
Db min
116 mm
Minimum diameter of housing shoulder
Ca min
3 mm
Minimum axial space
Cb min
7 mm
Minimum axial space
ra max
2 mm
Maximum fillet radius of shaft
rb max
2 mm
Maximum fillet radius of housing

Dimensions
r1, 2 min
2 mm
Minimum chamfer dimension of inner ring back face
r3, 4 min
2 mm
Minimum chamfer dimension of outer ring back face
a
26 mm
Distance between the apexes of the pressure cones
d1
99.5 mm
Guidance rib diameter of inner ring
D1
126.207 mm
Outside diameter flange
C1
4.762 mm
Width flange

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

Calculation factors
e
0.45
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.33
Dynamic axial load factor
Y0
0.73
Static axial load factor

Your current product variant
Tolerance classABMA4Class 4 (ANSI/ABMA 19.2:2013)
Heat treatmentStandard
CageStandardSheet steel cage, roller-guided
Internal designStandard
Quality levelStandard
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