4T-683 - NTN Single Row Taper Roller Bearing

  • £86.77

4T-683 bearing reference breakdown

Below we will break down the 4T-683 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:


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.
d (mm) 95.25 d1 (mm) 133.5 B (mm) 41.28
e 0.47 Y2 1.28 Y0 0.7
ra max (mm) 3.5
Dynamic load C (kN) 222 Rating life coefficient A2 1.4 Static load C0 (kN) 340
Fatigue limit load Cu (kN) 38.1 Nlim (oil) (Tr/min) 2800 Nlim (grease) (Tr/min) 2100
Min operating temperature Tmin (°C) -40 Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.45
Characteristic rolling element frequency BSF (Hz) 8.76 Characteristic outer ring frequency BPF0 (Hz) 10.26 Characteristic inner ring frequency BPFI (Hz) 12.74

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