Top Roller

Top Roller

Top Roller

Top roller shell: 
•surface quenching HRC 54-60
•face hardening depth(bulldozer 5-7mm,excavator 4-5mm)
•Corner hardening depthmore than 1.5mm
Top Roller is used to support the track upwards, and make the track keep a good tensity.
Best selected sealing and lifelong lubrication design enable our top roller to have longer working life and perfect performance.
The machining process of our Top Roller: Forging — Rough Turning — Heat Treatment — Finish Turning — Assembly — Spraying Paint