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FAG
31308-XL-DF-A0-35
Tapered roller bearing set 31308-XL-DF-A0-35
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Main Dimensions & Performance Data
d
40 mm
Bore diameter
D
90 mm
Outside diameter
2B
46 mm
Inner ring total width
2T
50.5 mm
Outer ring total width
Cr
153,000 N
Basic dynamic load rating, radial
C0r
165,000 N
Basic static load rating, radial
Cur
24,700 N
Fatigue load limit, radial
nG
8,700 1/min
Limiting speed
nϑr
5,100 1/min
Thermal speed rating
≈m
1.52 kg
Weight

Mounting dimensions
da max
51 mm
Maximum diameter of shaft shoulder
Da min
71 mm
Minimum diameter of housing shoulder
Da max
81 mm
Maximum diameter of housing shoulder
Ca min
4 mm
Minimum axial space
rb max
1.5 mm
Maximum fillet radius of housing

Dimensions
r3, 4 min
1.5 mm
Minimum chamfer dimension of outer ring back face
A
16.5 mm
Width of spacer

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

Calculation factors
e
0.83
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y1
0.82
Dynamic axial load factor
Y2
1.22
Dynamic axial load factor
Y0
0.8
Static axial load factor

Your current product variant
Tolerance classPNXLNormal (ISO 492:2014), Tolerance of radial runout tKia, tKea and axial runout tSia reduced
Heat treatmentStandard
CageStandardSheet steel cage, roller-guided
Axial internal clearanceA0-35Axial internal clearance between 0 and 35 µm
Quality levelXLX-life
Matched arrangementFX arrangement
Number of rolling element rows2Double-row design
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