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7911UCG/GNP42U3G - NTN High Precision Angular Contact Ball Bearing
7911UCG/GNP42U3G - NTN High Precision Angular Contact Ball Bearing
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7911UCG/GNP42U3G bearing reference breakdown
Below we will break down the 7911UCG/GNP42U3G 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 body of the bearing reference is what is left after removing the suffix and the prefix:
Body
79 - Ultra Light Series11 - 55mm Bore Size
| d (mm) | 55 | D (mm) | 80 | B (mm) | 13 |
| d1 (mm) | 63.7 | d2 (mm) | 61.8 | D1 (mm) | 71.4 |
| D2 (mm) | 75.1 | a (mm) | 15.6 | rs min (mm) | 1 |
| r1s min (mm) | 0.6 | f0 | 16.3 | Mass (kg) | 0.18 |
| da min (mm) | 60.5 | Da max (mm) | 74.5 | Db max (mm) | 75.5 |
| r1a max (mm) | 0.6 | ra max (mm) | 1 | D6 (mm) | 64.1 |
| Dynamic load C (kN) | 19.7 | Static load C0 (kN) | 18.5 | Nlim (oil) (Tr/min) | 27800 |
| Nlim (grease) (Tr/min) | 17400 | Preload value (kN) | 0.118 | Axial rigidity (N/µm) | 65.5 |
| Radial rigidity (N/µm) | 370 | 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) | 9.35 | Characteristic outer ring frequency BPF0 (Hz) | 10.32 |
| Characteristic inner ring frequency BPFI (Hz) | 12.68 |
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