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4T-HH228349/HH228310 - NTN Single Row Taper Roller Bearing

4T-HH228349/HH228310 - NTN Single Row Taper Roller Bearing

Regular price £1,172.22
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4T-HH228349/HH228310 bearing reference breakdown

Below we will break down the 4T-HH228349/HH228310 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.
HH - Indicates that the bearing is heavier than heavy series
d (mm) 127 d1 (mm) 185.5 D (mm) 254
B (mm) 82.55 C (mm) 61.91 T (mm) 77.79
a (mm) 54.39 e 0.32 Y2 1.87
Y0 1.03 Mass (kg) 19.5
ra max (mm) 9.7
Dynamic load C (kN) 740 Rating life coefficient A2 1.4 Static load C0 (kN) 1070
Fatigue limit load Cu (kN) 108 Nlim (oil) (Tr/min) 1900 Nlim (grease) (Tr/min) 1400
Min operating temperature Tmin (°C) -40 Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.42
Characteristic rolling element frequency BSF (Hz) 5.89 Characteristic outer ring frequency BPF0 (Hz) 7.13 Characteristic inner ring frequency BPFI (Hz) 9.87
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