Select a different country or region to see content for your location.
United States
10:50:32 GMT+0000 (Coordinated Universal Time)
K45284-45220
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 | 50,8 mm | Bore diameter |
D | 104,775 mm | Outside diameter |
B | 30,958 mm | Width, inner ring |
C | 23,813 mm | Width, outer ring |
T | 30,162 mm | Width, total |
Cr | 126.000 N | Basic dynamic load rating, radial |
C0r | 162.000 N | Basic static load rating, radial |
Cur | 20.500 N | Fatigue load limit, radial |
nG | 6.800 1/min | Limiting speed |
nϑr | 4.600 1/min | Thermal speed rating |
≈m | 0,835 kg | Weight |
Mounting dimensions
da max | 59 mm | Maximum diameter of shaft shoulder |
db min | 71 mm | Minimum diameter of shaft shoulder |
Da min | 93 mm | Minimum diameter of housing shoulder |
Db min | 99 mm | Minimum diameter of housing shoulder |
Ca min | 4 mm | Minimum axial space |
Cb min | 6 mm | Minimum axial space |
ra max | 6,4 mm | Maximum fillet radius of shaft |
rb max | 3,3 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 6,4 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 3,3 mm | Minimum chamfer dimension of outer ring back face |
a | 22 mm | Distance between the apexes of the pressure cones |
d1 | 79,6 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0,33 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,81 | Dynamic axial load factor |
Y0 | 0,99 | Static axial load factor |