Komatsu PC200-7 Excavator Slewing Bearing 20Y-25-21200 & Full Undercarriage Parts

ميزات المنتج وتطبيقاته

Komatsu PC200-7 Slewing Bearing 20Y-25-21200 & Undercarriage Parts Functions Slewing bearing: Connect upper and lower body, support load and realize full rotation. Drive sprocket: Transmit power to drive track movement. Idler wheel: Guide track and adjust tension. Track roller: Bear machine weight for smooth travel. Top roller: Support upper track to prevent sagging. Track assembly: Improve anti-slip performance for complex terrain. Tension device: Absorb shock and avoid track falling off.