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FAG
KLM12749-LM12711
Tapered roller bearing KLM12749-LM12711
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Main Dimensions & Performance Data
d
21.986 mm
Bore diameter
D
45.974 mm
Outside diameter
B
16.637 mm
Width, inner ring
C
12.065 mm
Width, outer ring
T
15.494 mm
Width, total
Cr
28,500 N
Basic dynamic load rating, radial
C0r
32,000 N
Basic static load rating, radial
Cur
3,600 N
Fatigue load limit, radial
nG
16,900 1/min
Limiting speed
nϑr
10,100 1/min
Thermal speed rating
≈m
0.126 kg
Weight

Mounting dimensions
da max
26 mm
Maximum diameter of shaft shoulder
db min
27.5 mm
Minimum diameter of shaft shoulder
Da min
40 mm
Minimum diameter of housing shoulder
Da max
40 mm
Maximum diameter of housing shoulder
Db min
42.5 mm
Minimum diameter of housing shoulder
Ca min
3 mm
Minimum axial space
Cb min
3 mm
Minimum axial space
ra max
1.3 mm
Maximum fillet radius of shaft
rb max
1.3 mm
Maximum fillet radius of housing

Dimensions
r1, 2 min
1.3 mm
Minimum chamfer dimension of inner ring back face
r3, 4 min
1.3 mm
Minimum chamfer dimension of outer ring back face
a
10 mm
Distance between the apexes of the pressure cones
d1
34.8 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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