Model Number      RN310                            Original   502310   
Number of Row Single                                 Type   Cylindrical Roller Bearing    
Bore  d（mm）   50                                       Outer   D（mm）  95   
Width  B（mm）   27                                     Mass W（kg）  0.795
Overall Width  T（mm）                               Chamfer（Rmin）     
rotate speed（r/min）