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14:12:40 GMT+0000 (Coordinated Universal Time)
KHM89449-HM89410
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 | 36,512 mm | Bore diameter |
D | 76,2 mm | Outside diameter |
B | 28,575 mm | Width, inner ring |
C | 23,02 mm | Width, outer ring |
T | 29,37 mm | Width, total |
Cr | 79.000 N | Basic dynamic load rating, radial |
C0r | 107.000 N | Basic static load rating, radial |
Cur | 13.700 N | Fatigue load limit, radial |
nG | 9.400 1/min | Limiting speed |
nϑr | 7.200 1/min | Thermal speed rating |
≈m | 0,717 kg | Weight |
Mounting dimensions
da max | 44,5 mm | Maximum diameter of shaft shoulder |
db min | 54 mm | Minimum diameter of shaft shoulder |
Da min | 62 mm | Minimum diameter of housing shoulder |
Da max | 66 mm | Maximum diameter of housing shoulder |
Db min | 73 mm | Minimum diameter of housing shoulder |
Ca min | 3 mm | Minimum axial space |
Cb min | 5,5 mm | Minimum axial space |
ra max | 3,6 mm | Maximum fillet radius of shaft |
rb max | 3,3 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 3,6 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 3,3 mm | Minimum chamfer dimension of outer ring back face |
a | 24 mm | Distance between the apexes of the pressure cones |
d1 | 59,8 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0,55 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,1 | Dynamic axial load factor |
Y0 | 0,6 | Static axial load factor |