Model Number     T750                                      Original  
Number of Row Single                                      Type  Tapered Roller Bearing   
Bore  d（mm） 79.375                                      Outer   D（mm）150.089      
Width  B（mm）  46.672                                   Mass W（kg）     
Overall Width  T（mm）                                    Chamfer（Rmin）     
rotate speed（r/min）