4T-482/472X - NTN Single Row Taper Roller Bearing
4T-482/472X - NTN Single Row Taper Roller Bearing
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4T-482/472X bearing reference breakdown
Below we will break down the 4T-482/472X 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.The suffix can be found at the end of the bearing number:
Suffix
X - Indicates that the width of cone B is equal to the total width T (for metric items only)| d (mm) | 69.85 | d1 (mm) | 93 | D (mm) | 123.82 |
| B (mm) | 29.01 | C (mm) | 24.6 | T (mm) | 30.16 |
| a (mm) | 26.4 | rs min (mm) | 3.5 | r1s min (mm) | 3.3 |
| e | 0.38 | Y2 | 1.56 | Y0 | 0.86 |
| Mass (kg) | 1.48 |
| ra max (mm) | 3.5 |
| Dynamic load C (kN) | 128 | Rating life coefficient A2 | 1.4 | Static load C0 (kN) | 111 |
| Nlim (oil) (Tr/min) | 4000 | Nlim (grease) (Tr/min) | 3000 | Min operating temperature Tmin (°C) | -40 |
| Max operating temperature Tmax (°C) | 120 | Characteristic cage frequency FTF (Hz) | 0.44 | Characteristic rolling element frequency BSF (Hz) | 8.02 |
| Characteristic outer ring frequency BPF0 (Hz) | 9.25 | Characteristic inner ring frequency BPFI (Hz) | 11.75 |
