Product short description:
Top roller is also called carrier roller and upper roller.It's one part of undercarriage part for heavy equipment parts.
Particularly important elements of the whole undercarriage system are also tracked and top rollers.
At present,manuuacturers employ rollers that are pre-filled with oil for their entire life.Maximum resistance to abrasion of the undercarriage elements mentioned if obtained due to the use of adequate castings,precision machine treatment and inductive quenching.
Additionally,very good parameters are obtained due to tempering,which increases durability and extends life of rollers,ensuring their even wear.
Principally,rollers used in excavators and in bulldozers differ in their external design.Besides ,despite their internal design being baically identical,bulldozer rollers are built more massively,guaranteeing extended life.
Product name
Top roller,carrier roller,upper roller
Material
50Mn,40Mnb
Technique
Forging&casting
Hardness
HRC52-58,Depth 8mm-12mm
Finish
Smooth
Color
Black or yellow
Warranty time
2000 Hours
Package
Fumigate exported standard packing
Delivery time
Within 15-20 days after contract established
Payment term
T/T 30% in deposit ,balance on the receipt of copy of B/L
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Shipping&Packing
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FAQ
Q1: I want to buy your products, how can I pay?
A:You can pay via T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow.
Q2:How can you guarantee the quality?
A:Warranty period, if you meet with quality problem, we promise to replace goods or return your funds.
Q3: Can we buy 1 pc of each item for quality testing?
A:You can buy a sample to do quality inspection.
Q4:What can you buy from us?
Excavator parts,Bulldozer parts,Excavator and bulldozer undercarriage parts.
