Select a different country or region to see content for your location.
United States
16:16:28 GMT+0000 (Coordinated Universal Time)
K6386-6320
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 | 66.675 mm | Bore diameter |
D | 135.755 mm | Outside diameter |
B | 56.007 mm | Width, inner ring |
C | 44.45 mm | Width, outer ring |
T | 53.975 mm | Width, total |
Cr | 260,000 N | Basic dynamic load rating, radial |
C0r | 350,000 N | Basic static load rating, radial |
Cur | 42,500 N | Fatigue load limit, radial |
nG | 5,200 1/min | Limiting speed |
nϑr | 4,650 1/min | Thermal speed rating |
≈m | 3.7 kg | Weight |
Mounting dimensions
da max | 77 mm | Maximum diameter of shaft shoulder |
db min | 87 mm | Minimum diameter of shaft shoulder |
Da min | 117 mm | Minimum diameter of housing shoulder |
Da max | 124 mm | Maximum diameter of housing shoulder |
Db min | 126 mm | Minimum diameter of housing shoulder |
Ca min | 6 mm | Minimum axial space |
Cb min | 9 mm | Minimum axial space |
ra max | 4.3 mm | Maximum fillet radius of shaft |
rb max | 3.3 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 4.3 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 3.3 mm | Minimum chamfer dimension of outer ring back face |
a | 35 mm | Distance between the apexes of the pressure cones |
d1 | 97.3 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0.32 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1.85 | Dynamic axial load factor |
Y0 | 1.02 | Static axial load factor |