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1228-M
Self-aligning ball bearing
Self-aligning ball bearing 12..-M, solid brass cage
Nahrazeno
1228M
Produktové informace
Metrické
Imperiální
Main Dimensions & Performance Data
d | 140 mm | Bore diameter |
D | 250 mm | Outside diameter |
B | 50 mm | Width |
Cr | 163.000 N | Basic dynamic load rating, radial |
C0r | 74.000 N | Basic static load rating, radial |
Cur | 3.350 N | Fatigue load limit, radial |
nG | 3.900 1/min | Limiting speed |
nϑr | 3.650 1/min | Reference speed |
≈m | 11,3 kg | Hmotnost |
Mounting dimensions
da min | 154 mm | Minimum diameter shaft shoulder |
Da max | 236 mm | Maximum diameter of housing shoulder |
ra max | 2,5 mm | Maximum fillet radius |
Dimensions
rmin | 3 mm | Minimum chamfer dimension |
D1 | 220,5 mm | Shoulder diameter outer ring |
d1 | 175 mm | Shoulder diameter inner ring |
C1 | 2,7 mm | Overhang rolling element |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0,21 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y1 | 3,03 | Dynamic axial load factor |
Y2 | 4,68 | Dynamic axial load factor |
Y0 | 3,17 | Static axial load factor |