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สหรัฐอเมริกา
06:57:31 GMT+0000 (Coordinated Universal Time)
K759-752
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
ข้อมูลผลิตภัณฑ์
เมตริก
อิมพีเรียล
Main Dimensions & Performance Data
d | 88.9 mm | Bore diameter |
D | 161.925 mm | Outside diameter |
B | 48.26 mm | Width, inner ring |
C | 38.1 mm | Width, outer ring |
T | 47.625 mm | Width, total |
Cr | 247,000 N | Basic dynamic load rating, radial |
C0r | 340,000 N | Basic static load rating, radial |
Cur | 44,500 N | Fatigue load limit, radial |
nG | 4,400 1/min | Limiting speed |
nϑr | 3,750 1/min | Thermal speed rating |
≈m | 4.04 kg | น้ำหนัก |
Mounting dimensions
da max | 99 mm | Maximum diameter of shaft shoulder |
db min | 106 mm | Minimum diameter of shaft shoulder |
Da min | 144 mm | Minimum diameter of housing shoulder |
Db min | 150 mm | Minimum diameter of housing shoulder |
Ca min | 5 mm | Minimum axial space |
Cb min | 7.5 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 | 36 mm | Distance between the apexes of the pressure cones |
d1 | 121.1 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0.34 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1.76 | Dynamic axial load factor |
Y0 | 0.97 | Static axial load factor |