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6921ZZ/2AS - NTN Single Row Deep Groove Ball Bearing
6921ZZ/2AS - NTN Single Row Deep Groove Ball Bearing
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£69.86
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6921ZZ/2AS bearing reference breakdown
Below we will break down the 6921ZZ/2AS 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
ZZ - Which denotes a steel shield2AS - Denotes standard grease for sealed and shielded bearings (-25°C up to +120°C)
The body of the bearing reference is what is left after removing the suffix and the prefix:
Body
69 - Metric, Light Series Deep Groove Ball Bearing21 - 105mm Bore Size
| d (mm) | 105 | D (mm) | 145 | B (mm) | 20 |
| rs min (mm) | 1.1 | Mass (kg) | 0.82 |
| da min (mm) | 111.5 | Da max (mm) | 138.5 | ra max (mm) | 1 |
| Dynamic load C (kN) | 42.5 | Static load C0 (kN) | 42 | Fatigue limit load Cu (kN) | 1.71 |
| f0 | 16.5 | Nlim (grease) (Tr/min) | 4300 | Min operating temperature Tmin (°C) | -20 |
| Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.45 | Characteristic rolling element frequency BSF (Hz) | 10.4 |
| Characteristic outer ring frequency BPF0 (Hz) | 8.14 | Characteristic inner ring frequency BPFI (Hz) | 9.86 |
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