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FAG
K243190-243250-XL
Tapered roller bearing K243190-243250-XL
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Main Dimensions & Performance Data
d
482.6 mm
Bore diameter
D
634.873 mm
Outside diameter
B
80.962 mm
Width, inner ring
C
63.5 mm
Width, outer ring
T
80.962 mm
Width, total
Cr
1,710,000 N
Basic dynamic load rating, radial
C0r
3,700,000 N
Basic static load rating, radial
Cur
390,000 N
Fatigue load limit, radial
nG
1,210 1/min
Limiting speed
nϑr
420 1/min
Thermal speed rating
≈m
65.5 kg
Weight

Mounting dimensions
da max
521 mm
Maximum diameter of shaft shoulder
db min
535 mm
Minimum diameter of shaft shoulder
Da min
603 mm
Minimum diameter of housing shoulder
Da max
612 mm
Maximum diameter of housing shoulder
Db min
610 mm
Minimum diameter of housing shoulder
Ca min
8.5 mm
Minimum axial space
Cb min
15 mm
Minimum axial space
ra max
6.4 mm
Maximum fillet radius of shaft
rb max
3.3 mm
Maximum fillet radius of housing

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

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

Calculation factors
e
0.34
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y
1.75
Dynamic axial load factor
Y0
0.96
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 levelXLX-life
Number of rolling element rows1Single-row design
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