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11:11:58 GMT+0000 (Coordinated Universal Time)
K387-A-382-A
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Replaces
K387A.382A
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 57,15 mm | Bore diameter |
D | 96,838 mm | Outside diameter |
B | 21,946 mm | Width, inner ring |
C | 15,875 mm | Width, outer ring |
T | 21 mm | Width, total |
Cr | 76.000 N | Basic dynamic load rating, radial |
C0r | 95.000 N | Basic static load rating, radial |
Cur | 11.500 N | Fatigue load limit, radial |
nG | 7.500 1/min | Limiting speed |
nϑr | 4.500 1/min | Thermal speed rating |
≈m | 0,59 kg | Weight |
Mounting dimensions
da max | 62 mm | Maximum diameter of shaft shoulder |
db min | 69 mm | Minimum diameter of shaft shoulder |
Da min | 89 mm | Minimum diameter of housing shoulder |
Db min | 92 mm | Minimum diameter of housing shoulder |
Ca min | 4 mm | Minimum axial space |
Cb min | 5 mm | Minimum axial space |
ra max | 3,6 mm | Maximum fillet radius of shaft |
rb max | 0,8 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 3,6 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 0,8 mm | Minimum chamfer dimension of outer ring back face |
a | 19 mm | Distance between the apexes of the pressure cones |
d1 | 76,6 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0,35 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,69 | Dynamic axial load factor |
Y0 | 0,93 | Static axial load factor |