4T-M12648/M12610 - NTN Single Row Taper Roller Bearing
4T-M12648/M12610 - NTN Single Row Taper Roller Bearing
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4T-M12648/M12610 bearing reference breakdown
Below we will break down the 4T-M12648/M12610 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
4T - The 4T- prefix designates a tapered roller bearing that is made of a special grade of case-hardened bearing steel and is interchangeable with other manufacturers taper with the same part number.M - Denotes the bearing as being part of the medium series
| d (mm) | 22.22 | d1 (mm) | 34.5 | D (mm) | 50 |
| B (mm) | 18.29 | C (mm) | 13.97 | T (mm) | 17.53 |
| a (mm) | 11.13 | e | 0.28 | Y2 | 2.16 |
| Y0 | 1.19 | Mass (kg) | 0.16 |
| ra max (mm) | 1.3 |
| Dynamic load C (kN) | 38 | Rating life coefficient A2 | 1.4 | Static load C0 (kN) | 39 |
| Fatigue limit load Cu (kN) | 4.75 | Nlim (oil) (Tr/min) | 11000 | Nlim (grease) (Tr/min) | 8000 |
| Min operating temperature Tmin (°C) | -40 | Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.4 |
| Characteristic rolling element frequency BSF (Hz) | 4.79 | Characteristic outer ring frequency BPF0 (Hz) | 5.62 | Characteristic inner ring frequency BPFI (Hz) | 8.38 |
