4T-98350/98788 bearing reference breakdown
Below we will break down the 4T-98350/98788 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)||88.9||D (mm)||200||B (mm)||49.21|
|C (mm)||34.92||T (mm)||52.76||a (mm)||54.3|
|rs min (mm)||3.56||r1s min (mm)||3.3||e||0.63|
|ra max (mm)||3.5|
|Dynamic load C (kN)||345||Rating life coefficient A2||1.4||Static load C0 (kN)||470|
|Nlim (oil) (Tr/min)||2500||Nlim (grease) (Tr/min)||1900||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)||6.42|
|Characteristic outer ring frequency BPF0 (Hz)||7.73||Characteristic inner ring frequency BPFI (Hz)||10.27|