4T-M231649 - NTN Single Row Taper Roller Bearing
4T-M231649 bearing reference breakdown
Below we will break down the 4T-M231649 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) | 152.4 | d1 (mm) | 186 | B (mm) | 46.83 |
| e | 0.33 | Y2 | 1.8 | Y0 | 0.99 |
| ra max (mm) | 3.5 |
| Dynamic load C (kN) | 315 | Rating life coefficient A2 | 1.4 | Static load C0 (kN) | 585 |
| Fatigue limit load Cu (kN) | 59.1 | Nlim (oil) (Tr/min) | 2000 | Nlim (grease) (Tr/min) | 1500 |
| Min operating temperature Tmin (°C) | -40 | Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.46 |
| Characteristic rolling element frequency BSF (Hz) | 12 | Characteristic outer ring frequency BPF0 (Hz) | 14.71 | Characteristic inner ring frequency BPFI (Hz) | 17.29 |
