Mini Track Roller

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  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

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  • Validity to:

    Long-term effective

  • Last update:

    2019-06-15 08:50

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Company Profile
Quanzhou Sanqi Engineering Machinery Co.Ltd
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NO.53 Tantou ,Xia Xi Industrial Area ,He Shi Town ,Luojiang District,Quanzhou City,Fujian Province,China



Product Details

Production description

Mini track roller also called mini bottom roller and mini 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.




Bimetal bushing

Bimetal bushing of our mini lower roller 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 mini rollers 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 mini lower roller 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.

Our mini bottom rollers are applieable to below models:

Mini rollers

HD50 IHI30 IS30 IS35 IHI40 IHI50 H30 H45 MM35 MM45 K030 TB150 TB175 SWE50 SWE60 SWE70 E303 E305.5 E55 E70 E70B E307 PC05 PC07 PC12R PC15R PC10-7 PC20-3 PC20-5 PC20-6 PC20-6RUBBER PC20R-8 PC30MR-1 PC30-7 PC40-7 PC40-7RUBBER PC45 PC40MR PC50MR-2 PC50 PC50UU PC56 EX08 EX12 EX15 EX30-1 EX30-2 EX55 EX40-1 EX40-2 EX50 SK020SR SK024 SK025 SK035SR SK045SR SK030 SK042-1 SK042-2 SK045MINI SH55 SH60 SH75 SH80 MS30 MS40 MS070 R55 R60-5 R80-7 DX50 DX60 U10-3 U15-3 U17-3 U20-2 U20-3 U30-2 U30-3 U40-2 U40-3 U50-3 U60 U80 U85 KX36 KX41-3 KX61 KX91-3 KX101 KX121 KX155 KX161-3 KX185 KH025 KH033 KH40 KH45 KH90 Vio15-1 Vio15-2 Vio20-1 Vio20-2 Vio30-1 Vio30-2 Vio35 Vio40-2 Vio50 Vio55-1 Vio55-2 Vio60 Vio70 Vio75 Vio80 B19-3 B27-3 B50 B70

We don’t list out all of models we make. If any more items you need,please feel free to contact with us.


1. How could you know if our parts are fitted to machines?

Please offer us the detailed machine models or mounting sizes.

2. 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.

3. What is the delivery time?

Generally speaking, the delivery time is 20days to 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.

4. What is MOQ for the order?

Generally speaking, the MOQ is a full container load of 20 feet container. Under this condition, the single cost can be lowered. if customers ask for less full container load. It is also acceptable.