Track Roller Group
It also called bottom roller and lower roller is used to support the weight of crawler excavators and roll on the track link. It is also used to keep track link to prevent it from lateral slippage. When the excavator steers, track roller force the track assy to skip on the ground.
Product Introduction
Production description
The track roller group also called bottom roller and lower roller is used to support the weight of crawler excavators and roll on the track link. It is also used to keep track link to prevent it from lateral slippage. When the excavator steers, track roller force the track assy to skip on the ground.
Roller groups are often in mud, water and just and bear strong impact. Therefore,they are required to be sealed reliably and wear-resisitant.
Structure
Sizes
Advantages
Bimetal bushing
Bimetal bushing of our bottom roller group is based on steel plate which special alloy is sintered on it. It shows high loading ability and high ability of fatigue resistance.
Floating seal group
Floating seal group of our lower roller group has super seal performance under bad working conditions like being muddy or steamy etc.. it is applicable for the condition of low speed and heavy load. And it is anti-friction and can be auto-compensated after wearing.
Lubrication oil
Lubrication oil of our lower roller group is selected carefully. It can lubricate shaft and bushing well to lower the wearing utmostly. And it can cool the roller perfectly. Those maximize the inner structure life.
Other more detailed information are as below excel file:
MODEL | JS140 |
Applicable pitch range | 90 to 317.5 |
Manufacturing method | casing ,forging,heat treatment,lathing,milling,drilling,grinding,oil leakage testing,assembly,painting |
Color | Yellow ,black etc. |
Packing | Fumigated wooden pallets |
Delivery time | from 30 days to 45 days |
Port of shipment | Xiamen |
guarantee time | 6 months |
OEM and ODM | Acceptable |
Packing
9pcs per pallet,several pallets as a pile up to the weight around 3t
12pcs per pallet, several pallets as a pile up to the weight around 3t
15pcs per pallet, several pallets as a pile up to the weight around 3t
20pcs per pallet, several pallets as a pile up to the weight around 3t
Wooden case for mini track rollers
We use plastic,strong strip to fasten the pallets.
Our shovel track roller groups are applieable to below models:
JCB | JS80 JS140 JS200 JS210 JS220 JS330 |
FAQ
1. Are you a manufacturer or a trader?
We are a manufacturer. We do forging and casting by ourselves. And our factory is located in Quanzhou city, Fujina, China.
2. How could you know if our parts are fitted to machines?
Please offer us the detailed machine models or mounting sizes.
3. How about the payment terms?
TT 30 percent deposit,and TT 70percent balance after seeing the scan copy of bill of lading or LC at sight.
4. What is the delivery time?
Generally speaking, the delivery time is 20days to 45days.it depend on how many items for a order. But if the whole order are 200 serial track roller(bottom roller, lower roller), the delivery time is within 10days.
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