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K29880-29820-Q3
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 | 266,7 mm | Bore diameter |
D | 323,85 mm | Outside diameter |
B | 22,225 mm | Width, inner ring |
C | 15,875 mm | Width, outer ring |
T | 22,225 mm | Width, total |
Cr | 150.000 N | Basic dynamic load rating, radial |
C0r | 370.000 N | Basic static load rating, radial |
Cur | 29.500 N | Fatigue load limit, radial |
nG | 2.230 1/min | Limiting speed |
nϑr | 1.010 1/min | Thermal speed rating |
≈m | 4,54 kg | Weight |
Mounting dimensions
da max | 283 mm | Maximum diameter of shaft shoulder |
db min | 285 mm | Minimum diameter of shaft shoulder |
Da min | 307 mm | Minimum diameter of housing shoulder |
Da max | 312 mm | Maximum diameter of housing shoulder |
Db min | 308 mm | Minimum diameter of housing shoulder |
Ca min | 5,5 mm | Minimum axial space |
Cb min | 6 mm | Minimum axial space |
ra max | 1,5 mm | Maximum fillet radius of shaft |
rb max | 1,5 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 1,5 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 1,5 mm | Minimum chamfer dimension of outer ring back face |
a | 43 mm | Distance between the apexes of the pressure cones |
d1 | 294,5 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0,35 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,73 | Dynamic axial load factor |
Y0 | 0,95 | Static axial load factor |