4T-M804049/M804010 - NTN Single Row Taper Roller Bearing
4T-M804049/M804010 bearing reference breakdown
Below we will break down the 4T-M804049/M804010 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) | 47.62 | d1 (mm) | 69 | D (mm) | 88.9 |
| B (mm) | 25.4 | C (mm) | 19.05 | T (mm) | 25.4 |
| a (mm) | 23.7 | e | 0.55 | Y2 | 1.1 |
| Y0 | 0.6 | Mass (kg) | 0.66 |
| ra max (mm) | 3.5 |
| Dynamic load C (kN) | 82 | Rating life coefficient A2 | 1.4 | Static load C0 (kN) | 101 |
| Fatigue limit load Cu (kN) | 12.3 | Nlim (oil) (Tr/min) | 5600 | Nlim (grease) (Tr/min) | 4200 |
| Min operating temperature Tmin (°C) | -40 | Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.43 |
| Characteristic rolling element frequency BSF (Hz) | 6.61 | Characteristic outer ring frequency BPF0 (Hz) | 7.32 | Characteristic inner ring frequency BPFI (Hz) | 9.68 |
