Model Number  HM262749TD                        Original  
Number of Row Single                                   Type  Tapered Roller Bearing     
Bore  d（mm）  346.075                               Outer   D（mm） 488.95     
Width  B（mm）95.25                                  Mass W（kg）     
Overall Width  T（mm）                                Chamfer（Rmin）     
rotate speed（r/min）