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NATV20XLL/3AS - NTN Roller Follower With Inner Ring
NATV20XLL/3AS - NTN Roller Follower With Inner Ring
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NATV20XLL/3AS bearing reference breakdown
Below we will break down the NATV20XLL/3AS 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 prefix can be found at the beginning of the bearing code:
Prefix
NATV - Roller follower, full complement roller typeThe suffix can be found at the end of the bearing number:
Suffix
/3AS - Which denotes grease shell alvania 3LL - Indicates two seals
| d (mm) | 20 | D (mm) | 47 | C (mm) | 24 |
| F (mm) | 25 | B (mm) | 25 | e (mm) | 37 |
| Dw (mm) | 2.53 | Lw (mm) | 17.8 | Mass (kg) | 0.25 |
| Cr (kN) | 28.8 | C0r (kN) | 61 | Track load capacity cylindrical outer ring (kN) | 21 |
| Nlim (grease) (Tr/min) | 4000 | Min operating temperature Tmin (°C) | -20 | Max operating temperature Tmax (°C) | 100 |
| Characteristic cage frequency FTF (Hz) | 0.45 | Characteristic rolling element frequency BSF (Hz) | 10.79 | Characteristic outer ring frequency BPF0 (Hz) | 15.44 |
| Characteristic inner ring frequency BPFI (Hz) | 18.56 |
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