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30252-XL
Tapered roller bearing
Tapered roller bearings 302, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs


Main Dimensions & Performance Data
d | 260 mm | Bore diameter |
D | 480 mm | Outside diameter |
B | 80 mm | Width, inner ring |
C | 67 mm | Width, outer ring |
T | 89 mm | Width, total |
Cr | 1.730.000 N | Basic dynamic load rating, radial |
C0r | 2.090.000 N | Basic static load rating, radial |
Cur | 229.000 N | Fatigue load limit, radial |
nG | 1.740 1/min | Limiting speed |
nϑr | 860 1/min | Thermal speed rating |
≈m | 62,8 kg | Weight |
Mounting dimensions
da max | 310 mm | Maximum diameter of shaft shoulder |
db min | 280 mm | Minimum diameter of shaft shoulder |
Da min | 419 mm | Minimum diameter of housing shoulder |
Da max | 457 mm | Maximum diameter of housing shoulder |
Db min | 447 mm | Minimum diameter of housing shoulder |
Ca min | 10 mm | Minimum axial space |
Cb min | 22 mm | Minimum axial space |
ra max | 6 mm | Maximum fillet radius of shaft |
rb max | 5 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 6 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 5 mm | Minimum chamfer dimension of outer ring back face |
a | 89 mm | Distance between the apexes of the pressure cones |
d1 | 353,5 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0,4 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,48 | Dynamic axial load factor |
Y0 | 0,81 | Static axial load factor |
Operating conditions for bearing 30252-XL
In work for 30252-XL
CO₂e caused by friction during operation
Comprehensive information with immediate calculations of the CO2e emissions of our rotative products in various application scenarios.

Load
*MandatoryMotion Influences
*Mandatory Preset calculation parameters
Arcanol MULTI2
Greasenormal cleanliness
Contamination70°C
Operating Temperature20°C
Ambient Temperature Choose your calculations
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CO₂e emissions
For Production info_outline
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Rating life
Total Rating Life (Lh10)
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Static safety (S0)
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