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20:34:58 GMT+0000 (Coordinated Universal Time)
KHM212049-HM212011
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Replaces
KHM212049.HM212011
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 66,675 mm | Bore diameter |
D | 122,238 mm | Outside diameter |
B | 38,354 mm | Width, inner ring |
C | 29,718 mm | Width, outer ring |
T | 38,1 mm | Width, total |
Cr | 193.000 N | Basic dynamic load rating, radial |
C0r | 255.000 N | Basic static load rating, radial |
Cur | 32.500 N | Fatigue load limit, radial |
nG | 5.800 1/min | Limiting speed |
nϑr | 4.250 1/min | Thermal speed rating |
≈m | 1,854 kg | Weight |
Mounting dimensions
da max | 75,5 mm | Maximum diameter of shaft shoulder |
db min | 82 mm | Minimum diameter of shaft shoulder |
Da min | 108 mm | Minimum diameter of housing shoulder |
Da max | 111 mm | Maximum diameter of housing shoulder |
Db min | 116 mm | Minimum diameter of housing shoulder |
Ca min | 4 mm | Minimum axial space |
Cb min | 8 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 | 27 mm | Distance between the apexes of the pressure cones |
d1 | 91,7 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0,34 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,78 | Dynamic axial load factor |
Y0 | 0,98 | Static axial load factor |