Specifications of FAG Bearing 31308-XL
Main Dimensions & Performance Data
Cr | 89000 N | Basic dynamic load rating, radial |
C0r | 83000 N | Basic static load rating, radial |
d | 40 mm | Bore diameter |
Cur | 12400 N | Fatigue load limit, radial |
nG | 9600 1/min | Limiting speed |
D | 90 mm | Outside diameter |
nδr | 5100 1/min | Thermal speed rating |
B | 23 mm | Width, inner ring |
C | 17 mm | Width, outer ring |
T | 25.25 mm | Width, total |
Additional information
Dimensions
a | 30 mm | Distance between the apexes of the pressure cones |
d1 | 67.7 mm | Guidance rib diameter of inner ring |
r1, 2 min | 2 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 1.5 mm | Minimum chamfer dimension of outer ring back face |
Calculation factors
Y | 0.73 | Dynamic axial load factor |
e | 0.83 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y0 | 0.4 | Static axial load factor |
Mounting dimensions
Da max | 81 mm | Maximum diameter of housing shoulder |
da max | 51 mm | Maximum diameter of shaft shoulder |
rb max | 1.5 mm | Maximum fillet radius of housing |
ra max | 2 mm | Maximum fillet radius of shaft |
Da min | 71 mm | Minimum diameter of housing shoulder |
Db min | 86 mm | Minimum diameter of housing shoulder |
db min | 49 mm | Minimum diameter of shaft shoulder |
Ca min | 4 mm | Minimum axial space |
Cb min | 8 mm | Minimum axial space |
Temperature range
Tmax | 120 ℃ | Operating temperature max. |
Tmin | -30 ℃ | Operating temperature min. |