Model Number   46790/46720                     Original  
Number of Row Single                                  Type   Tapered Roller Bearing    
Bore  d（mm） 165.1                                    Outer   D（mm）    225.425 
Width  B（mm）   41.275                              Mass W（kg）     4.69kg
Overall Width  T（mm）                                Chamfer（Rmin）     
rotate speed（r/min）