Biaxial non-drive cradle-free type bogie mod. 68-7090-02/03 is designed to roll under diesel train cars on 1520 mm gauge railroads with a design speed of 140 km/h.
The bogie is equipped:
- Wheel sets with axle boxes and wheel brake disks;
- Coil springs of axle box (primary) spring suspension;
- Pneumatic springs of the central (secondary) spring suspension;
- Hydraulic vibration dampers - vertical and horizontal;
- Disc brake elements;
- Torsion device;
- An electronic system that includes sensors of the anti-slip device, sensors for monitoring the heating of axle boxes and sensors of the КЛУБ-У system;
- Automatic centralized flange lubrication system (ACCS).
TECHNICAL CHARACTERISTICS
Name of parameter and size | Units | Normative value
--- | --- | ---
Mass | kg | 7200
Base | mm | 2560
Track width | mm | 1520
Design speed | km/h | 140
Ride smoothness indicator, no more | | 2.9
Maximum static load from wheel set on rail, not more | kN (tf) | 196.0 (20.0)
Overall dimensions:
- length
- width
- height | mm |
4253
2900
1050
Wheel diameter | mm | 957