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11:37:52 GMT+0000 (Coordinated Universal Time)
KM88048-M88010
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Replaces
KM88048.M88010, KM88048.M88010.F21
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 33,338 mm | Bore diameter |
D | 68,262 mm | Outside diameter |
B | 22,225 mm | Width, inner ring |
C | 17,462 mm | Width, outer ring |
T | 22,225 mm | Width, total |
Cr | 56.000 N | Basic dynamic load rating, radial |
C0r | 72.000 N | Basic static load rating, radial |
Cur | 8.500 N | Fatigue load limit, radial |
nG | 10.700 1/min | Limiting speed |
nϑr | 7.300 1/min | Thermal speed rating |
≈m | 380,5 g | Weight |
Mounting dimensions
da max | 40 mm | Maximum diameter of shaft shoulder |
db min | 44 mm | Minimum diameter of shaft shoulder |
Da min | 54 mm | Minimum diameter of housing shoulder |
Da max | 61 mm | Maximum diameter of housing shoulder |
Db min | 64 mm | Minimum diameter of housing shoulder |
Ca min | 3 mm | Minimum axial space |
Cb min | 4,5 mm | Minimum axial space |
ra max | 0,8 mm | Maximum fillet radius of shaft |
rb max | 1,5 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 0,8 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 1,5 mm | Minimum chamfer dimension of outer ring back face |
a | 20 mm | Distance between the apexes of the pressure cones |
d1 | 53,25 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 |