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K392-394-A
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 61.913 mm | Bore diameter |
D | 110 mm | Outside diameter |
B | 21.996 mm | Width, inner ring |
C | 18.824 mm | Width, outer ring |
T | 22 mm | Width, total |
Cr | 83,000 N | Basic dynamic load rating, radial |
C0r | 108,000 N | Basic static load rating, radial |
Cur | 13,100 N | Fatigue load limit, radial |
nG | 6,600 1/min | Limiting speed |
nϑr | 3,950 1/min | Thermal speed rating |
≈m | 860 g | Weight |
Mounting dimensions
da max | 76 mm | Maximum diameter of shaft shoulder |
db min | 79 mm | Minimum diameter of shaft shoulder |
Da min | 98 mm | Minimum diameter of housing shoulder |
Da max | 104 mm | Maximum diameter of housing shoulder |
Db min | 105 mm | Minimum diameter of housing shoulder |
Ca min | 5 mm | Minimum axial space |
Cb min | 3 mm | Minimum axial space |
ra max | 0.8 mm | Maximum fillet radius of shaft |
rb max | 1.3 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 0.8 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 1.3 mm | Minimum chamfer dimension of outer ring back face |
a | 21 mm | Distance between the apexes of the pressure cones |
d1 | 86.7 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 150 °C | Operating temperature max. |
Calculation factors
e | 0.4 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1.49 | Dynamic axial load factor |
Y0 | 0.82 | Static axial load factor |