4T-L319249/L319210 - NTN Single Row Taper Roller Bearing
4T-L319249/L319210 bearing reference breakdown
Below we will break down the 4T-L319249/L319210 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.L - Denotes the bearing is part of the light series
| d (mm) | 95.25 | d1 (mm) | 113.5 | D (mm) | 130.18 |
| B (mm) | 21.43 | C (mm) | 16.67 | T (mm) | 20.64 |
| a (mm) | 21.64 | e | 0.35 | Y2 | 1.72 |
| Y0 | 0.95 | Mass (kg) | 0.79 |
| ra max (mm) | 1.5 |
| Dynamic load C (kN) | 81 | Rating life coefficient A2 | 1.4 | Static load C0 (kN) | 147 |
| Fatigue limit load Cu (kN) | 17.3 | Nlim (oil) (Tr/min) | 3300 | Nlim (grease) (Tr/min) | 2500 |
| Min operating temperature Tmin (°C) | -40 | Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.47 |
| Characteristic rolling element frequency BSF (Hz) | 15.2 | Characteristic outer ring frequency BPF0 (Hz) | 16.85 | Characteristic inner ring frequency BPFI (Hz) | 19.15 |
