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22220EAKW33ZZ - SNR Double Row Spherical Roller Bearing
22220EAKW33ZZ - SNR Double Row Spherical Roller Bearing
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22220EAKW33ZZ bearing reference breakdown
Below we will break down the 22220EAKW33ZZ bearing reference and provide an explanation for each section provided it can actually be broken down. We can split it into 3 parts the prefix, suffix and body of the item code.
The suffix can be found at the end of the bearing number:
Suffix
W33 - Which denotes a lubrication groove and lubrication holes on the outer ringK - Which indicates a tapered bore, taper 1:12
EA - Indicates an ultage design, steel cage
The body of the bearing reference is what is left after removing the suffix and the prefix:
Body
222 - Heavy Duty20 - 100mm Bore Size
| d (mm) | 100 | D (mm) | 180 | B (mm) | 46 |
| d2 (mm) | 118.2 | D1 (mm) | 160.8 | rs min (mm) | 2.1 |
| Number of lubrication holes | 3 | b (mm) | 11.2 | k (mm) | 5 |
| e | 0.24 | Y1 | 2.84 | Y2 | 4.23 |
| Y0 | 2.78 | Mass (kg) | 4.94 |
| da min (mm) | 112 | da max (mm) | 2 | db min (mm) | 108 |
| Da max (mm) | 168 | ra max (mm) | 2 | Ce min (mm) | 8 |
| Dynamic load C (kN) | 472 | Static load C0 (kN) | 495 | Fatigue limit load Cu (kN) | 52.6 |
| Nref (Tr/min) | 3600 | Nlim (Tr/min) | 4600 | Min operating temperature Tmin (°C) | -40 |
| Max operating temperature Tmax (°C) | 200 | Characteristic cage frequency FTF (Hz) | 0.42 | Characteristic rolling element frequency BSF (Hz) | 6.23 |
| Characteristic outer ring frequency BPF0 (Hz) | 7.61 | Characteristic inner ring frequency BPFI (Hz) | 10.39 |
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