Model Number      4936X3DW33                   Original  4086936HK
Number of Row Double                                  Type     Angular Contact Ball Bearing  
Bore  d（mm）  180                                        Outer   D（mm）   260  
Width  B（mm）    66                                      Mass W（kg）    12.3 
Overall Width  T（mm）                                 Chamfer（Rmin）     
rotate speed（r/min）