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4T-M903345 - NTN Single Row Taper Roller Bearing

4T-M903345 - NTN Single Row Taper Roller Bearing

Regular price £43.61
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4T-M903345 bearing reference breakdown

Below we will break down the 4T-M903345 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.
M - Denotes the bearing as being part of the medium series
d (mm) 41.28 d1 (mm) 69.5 B (mm) 23.81
e 0.83 Y2 0.72 Y0 0.4
ra max (mm) 3.5
Dynamic load C (kN) 72.5 Rating life coefficient A2 1.4 Static load C0 (kN) 81.5
Fatigue limit load Cu (kN) 9.9 Nlim (oil) (Tr/min) 5000 Nlim (grease) (Tr/min) 3800
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) 5.91 Characteristic outer ring frequency BPF0 (Hz) 6.84 Characteristic inner ring frequency BPFI (Hz) 9.16
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