4T-14131/14276 – NTN Single Row Taper Roller Bearing

4T-14131/14276 bearing reference breakdown

Below we will break down the 4T-14131/14276 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.

d (mm)
33.34
d1 (mm)
51
D (mm)
69.01

B (mm)
19.58
C (mm)
15.88
T (mm)
19.84

a (mm)
15.74
e
0.38
Y2
1.57

Y0
0.86
Mass (kg)
0.35

ra max (mm)
0.8

Dynamic load C (kN)
48.5
Rating life coefficient A2
1.4
Static load C0 (kN)
58

Fatigue limit load Cu (kN)
7.1
Nlim (oil) (Tr/min)
7400
Nlim (grease) (Tr/min)
5600

Min operating temperature Tmin (°C)
-40
Max operating temperature Tmax (°C)
120
Characteristic cage frequency FTF (Hz)
0.43

Characteristic rolling element frequency BSF (Hz)
6.83
Characteristic outer ring frequency BPF0 (Hz)
7.75
Characteristic inner ring frequency BPFI (Hz)
10.25

– 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.

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