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6811JR - NTN Single Row Deep Groove Ball Bearing
6811JR - NTN Single Row Deep Groove Ball Bearing
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6811JR bearing reference breakdown
Below we will break down the 6811JR 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
JR - Which denotes a bearing with pressed rivet cageThe body of the bearing reference is what is left after removing the suffix and the prefix:
Body
68 - Metric, Light Series Deep Groove Ball Bearing11 - 55mm Bore Size
| d (mm) | 55 | D (mm) | 72 | B (mm) | 9 |
| rs min (mm) | 0.3 | Mass (kg) | 0.08 |
| da min (mm) | 57 | Da max (mm) | 70 | ra max (mm) | 0.3 |
| Dynamic load C (kN) | 8.8 | Static load C0 (kN) | 8.1 | Fatigue limit load Cu (kN) | 0.37 |
| f0 | 16.2 | Nlim (oil) (Tr/min) | 10000 | Nlim (grease) (Tr/min) | 8700 |
| Min operating temperature Tmin (°C) | -40 | Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.46 |
| Characteristic rolling element frequency BSF (Hz) | 13.26 | Characteristic outer ring frequency BPF0 (Hz) | 10.18 | Characteristic inner ring frequency BPFI (Hz) | 11.82 |
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