track roller for Hitachi EX210 excavator from China manufacture

track roller  for Hitachi EX210  excavator  from China manufacture

 Main specification:

1. Body Material:40Mn2, surface hardness HRC52-60,hardeness depth 8-20mm.Forging, Rough, Automatic welding, Overall zan fire, Quenched, Shot, Finish turning. 

2. Bearing Material: 50Mn, surface hardness HRC52-60,hardeness depth 3-6mm. Forging, Rough, Lf quenched, Drilling finish, High-frequency quenching, Fine grinding, washing recipe.

3.Floating seal material: centrifugal casting,high alloy contact. hardness HRC65-72, face roughness 0.1µm-0.2µm.

4.Bolts material: 45#steel plating color Grade 10.9.

5.O-ring: have better oil leaking resistance and high-temperature resistance

6.Technique: forging

7.Certification: ISO9001:2000

8.Warranty time: 6 months 

9. excavator undercarriage parts track roller wheel color:black or yellow

Our factory:

Now we have established our own factory. Our industrial park covers 100,000 square meters, and more than 4 production lines

for manufacturing undercarriage parts, Sprocket,Carrier Roller, Track Roller, Idler Roller, Track Shoe Ass’y, Track Link ass’y, Recoil Spring Assy, etc.

Taking quality as first priority, warranty time of our undercarriage parts would be 6 months or 3500 hours.

  More Compeitive products:

Should you need the product,

pls advise your machine brand & model,

or offer the Part NO. Thank you!

Means of transport: by sea/by train/by air

Export standard packing (water proof,damp proof and mould proof), and can  be customized.

Payment terms: T/T before shipment

If need more details,please contact us .We will reply you as soon as possible and give you the best service .Wish good cooperations!