Model Number    RB80070                            Original  
Number of Row Single                                   Type   Crossed Roller Bearing Ring    
Bore  d（mm）    800                                     Outer   D（mm）  950   
Width  B（mm）    70                                      Mass W（kg）   105  
Overall Width  T（mm）                                 Chamfer（Rmin）     
rotate speed（r/min）