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United States
18:06:43 GMT+0000 (Coordinated Universal Time)
K48290-48220
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Thông tin về sản phẩm
Hệ mét
Hệ đo lường Anh
Main Dimensions & Performance Data
d | 127 mm | Bore diameter |
D | 182.563 mm | Outside diameter |
B | 38.1 mm | Width, inner ring |
C | 33.338 mm | Width, outer ring |
T | 39.688 mm | Width, total |
Cr | 238,000 N | Basic dynamic load rating, radial |
C0r | 475,000 N | Basic static load rating, radial |
Cur | 55,000 N | Fatigue load limit, radial |
nG | 3,650 1/min | Limiting speed |
nϑr | 2,350 1/min | Thermal speed rating |
≈m | 3.4 kg | Trọng lượng |
Mounting dimensions
da max | 135 mm | Maximum diameter of shaft shoulder |
db min | 141 mm | Minimum diameter of shaft shoulder |
Da min | 168 mm | Minimum diameter of housing shoulder |
Da max | 171 mm | Maximum diameter of housing shoulder |
Db min | 176 mm | Minimum diameter of housing shoulder |
Ca min | 7 mm | Minimum axial space |
Cb min | 6 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 | 34 mm | Distance between the apexes of the pressure cones |
d1 | 155.5 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0.31 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1.97 | Dynamic axial load factor |
Y0 | 1.08 | Static axial load factor |