160km / h bogie technical

 160km / h bogie technical parameter
Axle arrangement：                                                 C0-C0 
Top operational speed（km/h）:                             160 
Top trial speed（km/h）:                                         176 
Rail gage(mm)：                                                      1435 
Axle load(t) :                                                            21 
Wheelbase(mm) :                                                    2000+2350 
Bogie pivot pitch(mm):                                            12720 
Wheel diameter(mm)(New/Worn):                          1250/1150 
Distance between backs of wheel flanges(mm):     1353 
Tread contour:                                                        JM3 worn profiled wheel tread
Power of traction motor(kW):                                 1250 
Driving mode:                                                          single helical gear
Drive ratio :                                                             3.769 
Starting tractive effort/Bogie(kN):                           210 
Motor suspension:                                                   Rigid suspension on frame
Free axial play of axle box bearings(mm):               0—±10—0 
Foundation  brake mode:                                        disc brake
Minimum radius of curvature negotiable(m):           125（V≤5km/h） 
Distance between the minima of motor drive unit and rail level (mm) (New wheel):                                                                    130 
The bogie weight(t)  :                                              28.4 
Unsprung mass(t) :                                                  3.07