Select a different country or region to see content for your location.
United States
02:14:26 GMT+0000 (Coordinated Universal Time)
K25877-25821
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 | 34,925 mm | Bore diameter |
D | 73,025 mm | Outside diameter |
B | 24,608 mm | Width, inner ring |
C | 19,05 mm | Width, outer ring |
T | 23,812 mm | Width, total |
Cr | 66.000 N | Basic dynamic load rating, radial |
C0r | 77.000 N | Basic static load rating, radial |
Cur | 9.600 N | Fatigue load limit, radial |
nG | 10.300 1/min | Limiting speed |
nϑr | 7.100 1/min | Thermal speed rating |
≈m | 0,462 kg | Weight |
Mounting dimensions
da max | 40,5 mm | Maximum diameter of shaft shoulder |
db min | 43 mm | Minimum diameter of shaft shoulder |
Da min | 63 mm | Minimum diameter of housing shoulder |
Db min | 68 mm | Minimum diameter of housing shoulder |
Ca min | 4,5 mm | Minimum axial space |
Cb min | 4,5 mm | Minimum axial space |
ra max | 1,5 mm | Maximum fillet radius of shaft |
rb max | 0,8 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 1,5 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 0,8 mm | Minimum chamfer dimension of outer ring back face |
a | 16 mm | Distance between the apexes of the pressure cones |
d1 | 53,9 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0,29 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 2,07 | Dynamic axial load factor |
Y0 | 1,14 | Static axial load factor |