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GPK30X42X198X - NTN Needle Roller & Cage Assembly
GPK30X42X198X - NTN Needle Roller & Cage Assembly
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GPK30X42X198X bearing reference breakdown
Below we will break down the GPK30X42X198X 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
HL - Which denotes special needles for better lubricationThe suffix can be found at the end of the bearing number:
Suffix
X - Cylindrical (flat) profile of the outside running surfaceThe body of the bearing reference is what is left after removing the suffix and the prefix:
Body
30 - 30mm Internal Diameter42 - 42mm External Diameter
198 - 198mm Width
| Fw (mm) | 30 | Ew (mm) | 42 | Bc (mm) | 19.8 |
| Dw (mm) | 6 | Lw (mm) | 14.8 | Mass (kg) | 0.04 |
| b (mm) | 19.8 |
| Min operating temperature Tmin (°C) | -20 | Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.42 |
| Characteristic rolling element frequency BSF (Hz) | 5.83 | Characteristic outer ring frequency BPF0 (Hz) | 2.5 | Characteristic inner ring frequency BPFI (Hz) | 3.5 |
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