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MR263520 - NTN Machined Needle Roller Bearing Without Inner Ring
MR263520 - NTN Machined Needle Roller Bearing Without Inner Ring
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MR263520 bearing reference breakdown
Below we will break down the MR263520 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
MR - Machined ring needle roller bearing without inner ring, inch seriesThe body of the bearing reference is what is left after removing the suffix and the prefix:
Body
26 - 41.275mm Bore Size35 - 55.5625mm Outside Diameter
20 - 31.75mm Width
| D (mm) | 55.56 | C (mm) | 31.75 | rs min (mm) | 1.5 |
| Dw (mm) | 4.5 | Lw (mm) | 25.8 | Mass (kg) | 0.19 |
| Fw (mm) | 41.28 | k (mm) | 3 |
| Da max (mm) | 49 | ras max (mm) | 1.5 |
| Cr (kN) | 54.5 | C0r (kN) | 90.5 | Nlim (grease) (Tr/min) | 6500 |
| Nlim (oil) (Tr/min) | 9500 | Min operating temperature Tmin (°C) | -20 | Max operating temperature Tmax (°C) | 120 |
| Characteristic cage frequency FTF (Hz) | 0.45 | Characteristic rolling element frequency BSF (Hz) | 10.07 | Characteristic outer ring frequency BPF0 (Hz) | 9.47 |
| Characteristic inner ring frequency BPFI (Hz) | 11.53 |
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