Nastavení účtu
USA
04:44:37 GMT+0000 (Coordinated Universal Time)
K25581-25520
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Produktové informace
Metrické
Imperiální
Main Dimensions & Performance Data
d | 44,45 mm | Bore diameter |
D | 82,931 mm | Outside diameter |
B | 25,4 mm | Width, inner ring |
C | 19,05 mm | Width, outer ring |
T | 23,812 mm | Width, total |
Cr | 81.000 N | Basic dynamic load rating, radial |
C0r | 105.000 N | Basic static load rating, radial |
Cur | 13.100 N | Fatigue load limit, radial |
nG | 8.900 1/min | Limiting speed |
nϑr | 5.700 1/min | Thermal speed rating |
≈m | 0,583 kg | Hmotnost |
Mounting dimensions
da max | 51 mm | Maximum diameter of shaft shoulder |
db min | 55 mm | Minimum diameter of shaft shoulder |
Da min | 74 mm | Minimum diameter of housing shoulder |
Da max | 77 mm | Maximum diameter of housing shoulder |
Db min | 77 mm | Minimum diameter of housing shoulder |
Ca min | 4,5 mm | Minimum axial space |
Cb min | 5 mm | Minimum axial space |
ra max | 0,5 mm | Maximum fillet radius of shaft |
rb max | 0,8 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 0,5 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 0,8 mm | Minimum chamfer dimension of outer ring back face |
a | 18 mm | Distance between the apexes of the pressure cones |
d1 | 63,7 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0,33 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,79 | Dynamic axial load factor |
Y0 | 0,99 | Static axial load factor |