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4T-575/572X - NTN Single Row Taper Roller Bearing

4T-575/572X - NTN Single Row Taper Roller Bearing

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4T-575/572X bearing reference breakdown

Below we will break down the 4T-575/572X 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.

The suffix can be found at the end of the bearing number:


X - Indicates that the width of cone B is equal to the total width T (for metric items only)
d (mm) 76.2 d1 (mm) 110 D (mm) 139.99
B (mm) 36.1 C (mm) 28.58 T (mm) 36.51
a (mm) 31.01 e 0.4 Y2 1.49
Y0 0.82 Mass (kg) 2.43
ra max (mm) 3.5
Dynamic load C (kN) 178 Rating life coefficient A2 1.4 Static load C0 (kN) 265
Fatigue limit load Cu (kN) 31.4 Nlim (oil) (Tr/min) 3400 Nlim (grease) (Tr/min) 2600
Min operating temperature Tmin (°C) -40 Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.44
Characteristic rolling element frequency BSF (Hz) 8.34 Characteristic outer ring frequency BPF0 (Hz) 10.19 Characteristic inner ring frequency BPFI (Hz) 12.81
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