4T-55187C/55443 bearing reference breakdown
Below we will break down the 4T-55187C/55443 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:
Prefix4T - 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)||47.62||D (mm)||112.71||B (mm)||26.91|
|C (mm)||20.64||T (mm)||30.16||a (mm)||37.2|
|rs min (mm)||3.5||r1s min (mm)||3.3||e||0.88|
|ra max (mm)||3.5|
|Dynamic load C (kN)||91.5||Rating life coefficient A2||1.4||Static load C0 (kN)||108|
|Nlim (oil) (Tr/min)||4200||Nlim (grease) (Tr/min)||3200||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)||6.63|
|Characteristic outer ring frequency BPF0 (Hz)||8.34||Characteristic inner ring frequency BPFI (Hz)||10.66|