63/28LLU/2AS - NTN Single Row Deep Groove Ball Bearing
63/28LLU/2AS - NTN Single Row Deep Groove Ball Bearing
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63/28LLU/2AS bearing reference breakdown
Below we will break down the 63/28LLU/2AS 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
LLU - Indicates a nitrile double lip contact seal2AS - Denotes standard grease for sealed and shielded bearings (-25°C up to +120°C)
The body of the bearing reference is what is left after removing the suffix and the prefix:
Body
63 - Metric, Light Series Deep Groove Ball Bearing28 - 28mm Bore Size
| d (mm) | 28 | D (mm) | 68 | B (mm) | 18 |
| rs min (mm) | 1.1 | Mass (kg) | 0.28 |
| da min (mm) | 34.5 | da max (mm) | 38.5 | Da max (mm) | 61.5 |
| ra max (mm) | 1 |
| Dynamic load C (kN) | 26.7 | Static load C0 (kN) | 14 | Fatigue limit load Cu (kN) | 0.64 |
| f0 | 12.4 | Nlim (grease) (Tr/min) | 7400 | Min operating temperature Tmin (°C) | -25 |
| Max operating temperature Tmax (°C) | 110 | Characteristic cage frequency FTF (Hz) | 0.37 | Characteristic rolling element frequency BSF (Hz) | 3.52 |
| Characteristic outer ring frequency BPF0 (Hz) | 2.57 | Characteristic inner ring frequency BPFI (Hz) | 4.43 |
