4T-L319249 - NTN Single Row Taper Roller Bearing

  • £103.74

4T-L319249 bearing reference breakdown

Below we will break down the 4T-L319249 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.
L - Denotes the bearing is part of the light series
d (mm) 95.25 d1 (mm) 113.5 B (mm) 21.43
e 0.35 Y2 1.72 Y0 0.95
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

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