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KHM89249-HM89210
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 | 36,512 mm | Bore diameter |
D | 79,375 mm | Outside diameter |
B | 28,829 mm | Width, inner ring |
C | 22,664 mm | Width, outer ring |
T | 29,37 mm | Width, total |
Cr | 92.000 N | Basic dynamic load rating, radial |
C0r | 111.000 N | Basic static load rating, radial |
Cur | 13.800 N | Fatigue load limit, radial |
nG | 9.200 1/min | Limiting speed |
nϑr | 7.000 1/min | Thermal speed rating |
≈m | 0,679 kg | Weight |
Mounting dimensions
da max | 44 mm | Maximum diameter of shaft shoulder |
db min | 55 mm | Minimum diameter of shaft shoulder |
Da min | 66 mm | Minimum diameter of housing shoulder |
Da max | 69 mm | Maximum diameter of housing shoulder |
Db min | 75 mm | Minimum diameter of housing shoulder |
Ca min | 3 mm | Minimum axial space |
Cb min | 6,7 mm | Minimum axial space |
ra max | 3,6 mm | Maximum fillet radius of shaft |
rb max | 3,3 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 3,6 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 3,3 mm | Minimum chamfer dimension of outer ring back face |
a | 23 mm | Distance between the apexes of the pressure cones |
d1 | 59,3 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0,55 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,1 | Dynamic axial load factor |
Y0 | 0,6 | Static axial load factor |
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Tolerance class | ABMA4 | Class 4 (ANSI/ABMA 19.2:2013) |
Heat treatment | Standard | |
Cage | Standard | Sheet steel cage, window cage, roller-guided |
Quality level | Standard | |
Number of rolling element rows | 1 | Single-row design |
Characteristics