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NA4824 - NTN Machined Needle Roller Bearing With Inner Ring
NA4824 - NTN Machined Needle Roller Bearing With Inner Ring
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NA4824 bearing reference breakdown
Below we will break down the NA4824 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
NA - Machined Ring Needle Roller Bearing w/ inner ringThe body of the bearing reference is what is left after removing the suffix and the prefix:
Body
48 - Single Row Needle Type24 - 120mm Bore
| d (mm) | 120 | D (mm) | 150 | C (mm) | 30 |
| F (mm) | 130 | rs min (mm) | 1 | s max (mm) | 0.8 |
| Dw (mm) | 6 | Lw (mm) | 24 | k (mm) | 3.5 |
| Mass (kg) | 1.17 |
| da min (mm) | 125 | Da max (mm) | 145 | ras max (mm) | 1 |
| Cr (kN) | 99.5 | C0r (kN) | 233 | Nlim (grease) (Tr/min) | 2100 |
| Nlim (oil) (Tr/min) | 3100 | Min operating temperature Tmin (°C) | -20 | Max operating temperature Tmax (°C) | 120 |
| Characteristic cage frequency FTF (Hz) | 0.48 | Characteristic rolling element frequency BSF (Hz) | 22.62 | Characteristic outer ring frequency BPF0 (Hz) | 20.07 |
| Characteristic inner ring frequency BPFI (Hz) | 21.93 |
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