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3311AC3 - SNR Double Row Angular Contact Ball Bearing
3311AC3 - SNR Double Row Angular Contact Ball Bearing
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3311AC3 bearing reference breakdown
Below we will break down the 3311AC3 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
C3 - Denotes a radial internal clearance of the C3 classA - Which indicates a single row angular contact ball bearing, with a polyamide cage
The body of the bearing reference is what is left after removing the suffix and the prefix:
Body
33 - Maximum Capacity, Medium Series11 - 55mm Bore Size
| d (mm) | 55 | D (mm) | 120 | B (mm) | 49.2 |
| d1 (mm) | 75.2 | D1 (mm) | 98.4 | a (mm) | 61.2 |
| rs min (mm) | 2 | Mass (kg) | 2.11 |
| da min (mm) | 64 | Da max (mm) | 111 | ra max (mm) | 2 |
| Dynamic load C (kN) | 98.6 | Static load C0 (kN) | 78.8 | Fatigue limit load Cu (kN) | 4.9 |
| f0 | 13.8 | Nref (Tr/min) | 5000 | Nlim (Tr/min) | 5500 |
| Min operating temperature Tmin (°C) | -20 | Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.4 |
| Characteristic rolling element frequency BSF (Hz) | 4.2 | Characteristic outer ring frequency BPF0 (Hz) | 3.17 | Characteristic inner ring frequency BPFI (Hz) | 4.83 |
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