Model Number   NFP38/630                        Original  30228/630
Number of Row Single                                  Type Cylindrical Roller Bearing 
Bore  d（mm）   630                                     Outer   D（mm） 780
Width  B（mm）112                                      Mass W（kg） 119
Overall Width  T（mm）                                 Chamfer（Rmin）  
rotate speed（r/min）