Summary: This bogie is suitable for various freight cars operating on standard gauge, with 21t axle load and the maximum operating speed of 120km/h. It is integrated welding frame type bogie which is designed by absorbing the advantages of European Y25 bogie and combining with the domestic situations. It has features of large anti-lozenge rigidity, light unsprung mass, higher critical speed and low wheel-rail dynamic interaction. The bogie is comprised of H-shaped welded frame, journal spring suspension, wheelset, bearing, constant contact side bearing and brake rigging, etc.
Main technical parameters:
| Axle load (t) |
21 |
| Tare weight (t) |
4.2 |
| Gauge (mm) |
1435 |
| Operating speed (km/h) |
120 |
| Min. radius of curvature negotiable (m) |
100 |
| Wheel diameter (mm) |
840 |
