Model Number  IFTB0008                             Original  
Number of Row Four                                      Type Tapered Roller Bearing      
Bore  d（mm） 206.375                                Outer   D（mm） 282.575    
Width  B（mm） 190.5                                   Mass W（kg）   36.5  
Overall Width  T（mm）                                 Chamfer（Rmin）     
rotate speed（r/min）