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FAG
KM349549-M349510
Tapered roller bearing KM349549-M349510
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Main Dimensions & Performance Data
d
257.175 mm
Bore diameter
D
342.9 mm
Outside diameter
B
57.15 mm
Width, inner ring
C
44.45 mm
Width, outer ring
T
57.15 mm
Width, total
Cr
640,000 N
Basic dynamic load rating, radial
C0r
1,410,000 N
Basic static load rating, radial
Cur
137,000 N
Fatigue load limit, radial
nG
1,870 1/min
Limiting speed
nϑr
1,000 1/min
Thermal speed rating
≈m
14.5 kg
Weight

Mounting dimensions
da max
274 mm
Maximum diameter of shaft shoulder
db min
281 mm
Minimum diameter of shaft shoulder
Da min
318 mm
Minimum diameter of housing shoulder
Da max
330 mm
Maximum diameter of housing shoulder
Db min
331 mm
Minimum diameter of housing shoulder
Ca min
10 mm
Minimum axial space
Cb min
12.5 mm
Minimum axial space
ra max
6.4 mm
Maximum fillet radius of shaft
rb max
2.5 mm
Maximum fillet radius of housing

Dimensions
r1, 2 min
6.4 mm
Minimum chamfer dimension of inner ring back face
r3, 4 min
2.5 mm
Minimum chamfer dimension of outer ring back face
a
59 mm
Distance between the apexes of the pressure cones
d1
299 mm
Guidance rib diameter of inner ring

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

Calculation factors
e
0.35
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.73
Dynamic axial load factor
Y0
0.95
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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