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FAG
K3578-3525
Tapered roller bearing K3578-3525
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Main Dimensions & Performance Data
d
44.45 mm
Bore diameter
D
87.312 mm
Outside diameter
B
30.886 mm
Width, inner ring
C
23.812 mm
Width, outer ring
T
30.162 mm
Width, total
Cr
97,000 N
Basic dynamic load rating, radial
C0r
121,000 N
Basic static load rating, radial
Cur
15,200 N
Fatigue load limit, radial
nG
8,500 1/min
Limiting speed
nϑr
6,400 1/min
Thermal speed rating
≈m
0.8 kg
Weight

Mounting dimensions
da max
51 mm
Maximum diameter of shaft shoulder
db min
57 mm
Minimum diameter of shaft shoulder
Da min
75 mm
Minimum diameter of housing shoulder
Da max
76 mm
Maximum diameter of housing shoulder
Db min
81 mm
Minimum diameter of housing shoulder
Ca min
4 mm
Minimum axial space
Cb min
6 mm
Minimum axial space
ra max
3.5 mm
Maximum fillet radius of shaft
rb max
3.3 mm
Maximum fillet radius of housing

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

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

Calculation factors
e
0.31
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.96
Dynamic axial load factor
Y0
1.08
Static axial load factor

Your current product variant
Tolerance classABMA4Class 4 (ANSI/ABMA 19.2:2013)
Heat treatmentStandard
CageStandardSheet steel cage, window cage, roller-guided
Quality level0
Number of rolling element rows1Single-row design
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