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6904ZZC3/5K - NTN Single Row Deep Groove Ball Bearing
6904ZZC3/5K - NTN Single Row Deep Groove Ball Bearing
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6904ZZC3/5K bearing reference breakdown
Below we will break down the 6904ZZC3/5K 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 - Indicates a radial internal clearance, C3 classZZ - Denotes a steel shield
5K - Denotes universal grease for sealed and shielded bearings (-40°C up to +150°C)
The body of the bearing reference is what is left after removing the suffix and the prefix:
Body
69 - Metric, Minature, Extra Light Series Deep Groove Ball Bearing04 - 20mm Bore Size
| d (mm) | 20 | D (mm) | 37 | B (mm) | 9 |
| rs min (mm) | 0.3 | Mass (kg) | 0.04 |
| da min (mm) | 22 | Da max (mm) | 35 | ra max (mm) | 0.3 |
| Dynamic load C (kN) | 6.4 | Static load C0 (kN) | 3.7 | Fatigue limit load Cu (kN) | 0.17 |
| f0 | 14.7 | Nlim (grease) (Tr/min) | 19000 | Min operating temperature Tmin (°C) | -20 |
| Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.42 | Characteristic rolling element frequency BSF (Hz) | 5.82 |
| Characteristic outer ring frequency BPF0 (Hz) | 4.58 | Characteristic inner ring frequency BPFI (Hz) | 6.42 |
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