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6804JRLLB/5K - NTN Single Row Deep Groove Ball Bearing
6804JRLLB/5K - NTN Single Row Deep Groove Ball Bearing
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6804JRLLB/5K bearing reference breakdown
Below we will break down the 6804JRLLB/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
5K - Denotes universal grease for sealed and shielded bearings (-40°C up to +150°C)LLB - Denotes a nitrile non-friction seal
JR - Which denotes a bearing with pressed rivet cage
The body of the bearing reference is what is left after removing the suffix and the prefix:
Body
68 - Metric, Minature, Extra Light Series Deep Groove Ball Bearing04 - 20mm Bore Size
| d (mm) | 20 | D (mm) | 32 | B (mm) | 7 |
| rs min (mm) | 0.3 | Mass (kg) | 0.02 |
| da min (mm) | 22 | da max (mm) | 22.5 | Da max (mm) | 30 |
| ra max (mm) | 0.3 |
| Dynamic load C (kN) | 4 | Static load C0 (kN) | 2.47 | Fatigue limit load Cu (kN) | 0.11 |
| f0 | 15.5 | Nlim (grease) (Tr/min) | 21000 | Min operating temperature Tmin (°C) | -25 |
| Max operating temperature Tmax (°C) | 110 | Characteristic cage frequency FTF (Hz) | 0.43 | Characteristic rolling element frequency BSF (Hz) | 7.29 |
| Characteristic outer ring frequency BPF0 (Hz) | 5.62 | Characteristic inner ring frequency BPFI (Hz) | 7.38 |
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