Top Roller, Lower Roller, Down Roller, Upper Roller, Carrier Roller

Our company specializes in developing, manufacturing, exporting various of undercarriage parts and components of engineering machinery such as track roller assembly, carrier roller assembly, sprocket, idler, link assembly, track shoe, high strength bolt and nut, bucket pin and bushing etc. 
4)Material: High Manganese Steel
5)Clour: Black or Yellow
6)Waranty time: 6 months
7)Certification: iso9001-2008
8)Technique: Forging, Casting
9)Type: Carrier roller, top roller, upper roller, excavator parts
10)Packaging details: In strong fumigate wooden pallet packing
11)Delivery time: 15-45 days after order confirmed
12)Finish: Smooth
13)Suppy ability: 60, 000 piece/year, according to customers/request produce
14)USE: Construction
Feature: 
1)Material: 50Mn; 
2)Surface hardness: HRC 56-62, depth 5-7 mm; 
3)Each roller shell is carefully heat treated to ensure long wear life and stress resistence; 
4)Each roller is precision machined to house special high impact low wear bi-metal bushings. 
5)Reliable and long life time guaranteed; 
6)High strength and superior wear resistence. 
Our track roller for excavators are specially designed, engineered and manufactured for high impact applications. Bulldozer track rollers are designed for applications that call for the maximum wear resistance. 
We use good material to ensure quality and consistency. 
Our heat treatment process provides hardness in high wear areas, and elastic core to resist shock and impact loads. 
Strict quality management to produce effective and stable products, and meet customer's demand.