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7009UCG/GNP42U3G - NTN High Precision Angular Contact Ball Bearing
7009UCG/GNP42U3G - NTN High Precision Angular Contact Ball Bearing
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7009UCG/GNP42U3G bearing reference breakdown
Below we will break down the 7009UCG/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
70 - Extra Light Series09 - 45mm Bore Size
| d (mm) | 45 | D (mm) | 75 | B (mm) | 16 |
| d1 (mm) | 55.3 | d2 (mm) | 53 | D1 (mm) | 64.7 |
| D2 (mm) | 69.4 | a (mm) | 16.1 | rs min (mm) | 1 |
| r1s min (mm) | 0.6 | f0 | 15.4 | Mass (kg) | 0.24 |
| da min (mm) | 50.5 | Da max (mm) | 69.5 | Db max (mm) | 70.5 |
| r1a max (mm) | 0.6 | ra max (mm) | 1 | D6 (mm) | 55.9 |
| Dynamic load C (kN) | 25.3 | Static load C0 (kN) | 20.4 | Nlim (oil) (Tr/min) | 31200 |
| Nlim (grease) (Tr/min) | 19500 | Preload value (kN) | 0.147 | Axial rigidity (N/µm) | 64.7 |
| Radial rigidity (N/µm) | 360 | Min operating temperature Tmin (°C) | -20 | Max operating temperature Tmax (°C) | 120 |
| Characteristic cage frequency FTF (Hz) | 0.43 | Characteristic rolling element frequency BSF (Hz) | 6.74 | Characteristic outer ring frequency BPF0 (Hz) | 7.74 |
| Characteristic inner ring frequency BPFI (Hz) | 10.26 |
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