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23:27:23 GMT+0000 (Coordinated Universal Time)
K67987-67920-XL
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 | 206,375 mm | Bore diameter |
D | 282,575 mm | Outside diameter |
B | 49,212 mm | Width, inner ring |
C | 36,512 mm | Width, outer ring |
T | 46,038 mm | Width, total |
Cr | 435.000 N | Basic dynamic load rating, radial |
C0r | 810.000 N | Basic static load rating, radial |
Cur | 105.000 N | Fatigue load limit, radial |
nG | 2.750 1/min | Limiting speed |
nϑr | 1.400 1/min | Thermal speed rating |
≈m | 8,67 kg | Weight |
Mounting dimensions
da max | 219 mm | Maximum diameter of shaft shoulder |
db min | 224 mm | Minimum diameter of shaft shoulder |
Da min | 260 mm | Minimum diameter of housing shoulder |
Da max | 269 mm | Maximum diameter of housing shoulder |
Db min | 275 mm | Minimum diameter of housing shoulder |
Ca min | 5 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 | 62 mm | Distance between the apexes of the pressure cones |
d1 | 248,5 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0,51 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,18 | Dynamic axial load factor |
Y0 | 0,65 | Static axial load factor |