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21308-E1-XL-K
Spherical Roller Bearing
Spherical roller bearings 213..-E1-K, main dimensions to DIN 635-2, with tapered bore, taper 1:12
Zastępuje
21308-E1-K
Informacje o produkcie


Main Dimensions & Performance Data
d | 40 mm | Bore diameter |
D | 90 mm | Outside diameter |
B | 23 mm | Width |
Cr | 109.000 N | Basic dynamic load rating, radial |
C0r | 107.000 N | Basic static load rating, radial |
Cur | 14.600 N | Fatigue load limit, radial |
nG | 9.800 1/min | Limiting speed |
nϑr | 5.200 1/min | Reference speed |
≈m | 0,713 kg | Masa |
Mounting dimensions
da min | 49 mm | Minimum diameter shaft shoulder |
da max | 59 mm | Maximum diameter of shaft shoulder |
Da max | 81 mm | Maximum diameter of housing shoulder |
ra max | 1,5 mm | Maximum recess radius |
db min | 44 mm | Minimum cavity diameter of the sleeve |
Ba min | 5 mm | Minimum cavity width of the sleeve |
Dimensions
rmin | 1,5 mm | Minimum chamfer dimension |
D1 | 80,8 mm | Bore diameter outer ring |
d2 | 59,9 mm | Raceway diameter of the inner ring |
ds | 3,2 mm | Diameter lubrication hole |
ns | 4,8 mm | Width of lubricating groove |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0,23 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y1 | 2,95 | Dynamic axial load factor |
Y2 | 4,4 | Dynamic axial load factor |
Y0 | 2,89 | Static axial load factor |
Additional information
H308 | Adapter sleeve | |
AH308 | Withdrawal sleeve |