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KJ37X42X17S - NTN Needle Roller & Cage Assembly
KJ37X42X17S - NTN Needle Roller & Cage Assembly
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KJ37X42X17S bearing reference breakdown
Below we will break down the KJ37X42X17S 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
37 - 37mm Internal Diameter42 - 42mm External Diameter
17 - 17mm Width
| Fw (mm) | 37 | Ew (mm) | 42 | Bc (mm) | 17 |
| Dw (mm) | 2.5 | Lw (mm) | 13.8 | Mass (kg) | 0.03 |
| b (mm) | 17 |
| Min operating temperature Tmin (°C) | -20 | Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.47 |
| Characteristic rolling element frequency BSF (Hz) | 15.74 | Characteristic outer ring frequency BPF0 (Hz) | 12.65 | Characteristic inner ring frequency BPFI (Hz) | 14.35 |
| Cr (kN) | 20.4 | C0r (kN) | 37.5 | Nlim (grease) (Tr/min) | 7500 |
| Nlim (oil) (Tr/min) | 11000 |
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