
Carrier Roller CAT320
Bimetal bushing of our excavator top rollers is based on steel plate which special alloy is sintered on it. It shows high loading ability and high ability of fatigue resistance.
Product Introduction
Carrier Roller CAT320
Quick detail:
Origin: | Fujian,China | Brand | SQ, GTR |
Model: | CAT320 | Hardness of trail surface | HRC52-58 |
Color | Yellow, black, gray | Roller body material | 50MN |
Delivery time | 20-45days | Warranty time | 6 months |
Name | Excavator carrier roller | Machine type | Crawler tracked excavator |
Sizes of top roller cat320

Structure of upper roller cat320

Advantages
Bimetal bushing
Bimetal bushing of our excavator top rollers 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 excavator upper 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 excavator upper rollers 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 of excavator top rollers:
MODEL | cat320 |
Machine weight range | 1.5t to 95.3t |
Material | ductile iron for carrier roller collars |
| 45#,50MN or 40MN2 for carrier roller assy bodies | |
| 45# for carrier rollerassy shafts | |
Manufacturing method | Forging,casting,machining,assembly,painting |
Packing | Fumigated wooden pallets,polywood pallets |
Port of shipment | Xiamen |
OEM and ODM | Acceptable |
Payment term | TT and LC |
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 excavator top roller

Carrier Roller CAT320
| BERCO CR5053 top roller | CATERPILLAR 6S3609 top roller |
| CATERPILLAR 8E0400 top roller | ITM C0103100N00 top roller |
| ITM C01081N0M00 top roller | JOHN DEERE AT220677 top roller |
| BERCO CR3759 top roller | BERCO CR4022 top roller |
| ITM S01095L0M00 top roller | BERCO KM2160 top roller |
| ATLAS-TEREX 1357660 top roller | KOMATSU 195-30-00580 top roller |
| BERCO CR2876 top roller | ITM C4037101M00 top roller |
| CATERPILLAR 1P8717 top roller | KOMATSU 195-30-01040 top roller |
| CATERPILLAR 4S8982 top roller | KOMATSU 195-30-01041 top roller |
| CATERPILLAR 5M7820 top roller | KOMATSU 195-30-01042 top roller |
| CATERPILLAR 7M9489 top roller | KOMATSU 195-30-01341 top roller |
| CATERPILLAR 9M0638 top roller | BERCO KM578 top roller |
| DRESSER-FURUKAWA 1256100H91 top roller | ITM C4035100M00 top roller |
| HYUNDAI 81E7-0016 top roller | KOMATSU 195-30-00101 top roller |
| INGERSOLL RAND 70075163 , 70576103 top roller | KOMATSU 195-30-00103 top roller |
| ITM C0107100M00 top roller | KOMATSU 195-30-00105 top roller |
| LIEBHERR 5000951 top roller | KOMATSU 195-30-00102 top roller |
| LIEBHERR 5604047 top roller | KOMATSU 195-30-00104 top roller |
| BERCO CR2205 top roller | KOMATSU 195-30-00106 top roller |
| BERCO CR4284 top roller | BERCO KM3601 top roller |
| CATERPILLAR 2P3514 top roller | ITM C4027100M00 top roller |
| CATERPILLAR 4S9691 top roller | KOMATSU 17M-30-00340 KOMATSU 17M-30-01340 top roller |
| CATERPILLAR 5S3271 top roller | BERCO KM2279 top roller |
| CATERPILLAR 9M0637 top roller | ITM C40151G0M00 top roller |
| DEMAG 17128140 top roller | KOMATSU 175-30-00470 top roller |
| HYUNDAI 81E7-00521 top roller | KOMATSU 175-30-00472 top roller |
| LIEBHERR 5002789 top roller | KOMATSU 175-30-00511 top roller |
| LIEBHERR 5604175 top roller | KOMATSU 175-30-00513 top roller |
| LIEBHERR 5800083 top roller | KOMATSU 175-30-00517 top roller |
| POCLAIN-CASE POCLAIN M0942390 top roller | KOMATSU 175-30-00471 top roller |
| BERCO CR4800 top roller | KOMATSU 175-30-00510 top roller |
| CATERPILLAR 235-5974 top roller | KOMATSU 175-30-00512 top roller |
| CNH-FIAT NEW HOLLAND 76040857 top roller | KOMATSU 175-30-00514 top roller |
| ITM C01061H0M00 top roller | KOMATSU 175-30-00515 top roller |
| JOHN DEERE AT175999 top roller | KOMATSU 175-30-00516 top roller |
| BERCO ID1460 top roller | KOMATSU 175-30-00532 top roller |
| CATERPILLAR 6Y1781 top roller | BERCO KM120 top roller |
| LIEBHERR 5802111 top roller | ITM C40851A0M00 top roller |
| BERCO CR2650 top roller | KOMATSU 140-30-00240 top roller |
| CATERPILLAR 1V8055 top roller | KOMATSU 155-30-00172 top roller |
| CATERPILLAR 3Y3402 top roller | KOMATSU 155-30-00231 top roller |
| CATERPILLAR 9S2730 HANOMAG 3094639M top roller | KOMATSU 155-30-00233 top roller |
| HANOMAG 3094639M91 top roller | KOMATSU 155-30-00235 top roller |
| ITM C0106100M00 top roller | KOMATSU 145-30-00110 top roller |
| JOHN DEERE AT174848 top roller | KOMATSU 155-30-00230 top roller |
| LIEBHERR 5003817 top roller | KOMATSU 155-30-00232 top roller |
| BERCO CR2650A top roller | KOMATSU 155-30-00234 top roller |
| BERCO ID1482 top roller | BERCO KM118 top roller |
| CATERPILLAR 3T3206 top roller | ITM C40651E0M00 top roller |
| CATERPILLAR 5M7318 top roller | KOMATSU 141-30-00560 top roller |
| KOBELCO 24100N10084F1 top roller | KOMATSU 141-30-00562 top roller |
| ATLAS-TEREX 322009 top roller | KOMATSU 141-30-00564 top roller |
| CASE S233033 CATERPILLAR 3K7962 top roller | KOMATSU 141-30-00566 top roller |
| CATERPILLAR 6K9879 top roller | KOMATSU 144-81-30050 top roller |
| HYUNDAI 81E6-17030 top roller | KOMATSU 144-81-30052 top roller |
| HYUNDAI 81E6-2003-30 top roller | KOMATSU 144-81-30054 top roller |
| INGERSOLL RAND 56800113, 57695637 top roller | KOMATSU 14X-30-00141 top roller |
| ITM C0104100M00 top roller | KOMATSU 14X-30-15001 top roller |
| JOHN DEERE-CAMECO CB01418829 top roller | BERCO KM2105 top roller |
| POCLAIN-CASE POCLAIN J0242336 top roller | KOMATSU 141-30-00561 top roller |
| SAMSUNG-H.I. 1081-01670 top roller | KOMATSU 141-30-00563 top roller |
| BERCO CR2880 top roller | KOMATSU 141-30-00565 top roller |
| CATERPILLAR 6K9880 top roller | KOMATSU 141-30-00566E top roller |
| HYUNDAI 81E6-2003 top roller | KOMATSU 144-81-30051 top roller |
| HYUNDAI 81E6-2003BG top roller | KOMATSU 144-81-30053 top roller |
| JCB 210/71800 top roller | KOMATSU 14X-30-00140 top roller |
| N1642327 top roller | KOMATSU 14X-30-00142 top roller |
| W0942307 top roller | BERCO KM2872 top roller |
| W0942330 top roller | ITM C4061100M00 top roller |
| ZKI1642327 top roller | KOMATSU 134-30-00110 top roller |
| KOMATSU UTILITY 820210009 top roller | BERCO KM103 top roller |
| LIEBHERR 5003855 top roller | ITM C4060100M00 top roller |
| LIEBHERR 5009090 top roller | KOMATSU 130-30-B0360 top roller |
| LIEBHERR 5209288 top roller | KOMATSU 131-30-00311 top roller |
| LIEBHERR 5601364 top roller | KOMATSU 131-30-00313 top roller |
| ATLAS-TEREX 1365693 top roller | KOMATSU 131-30-00315 top roller |
| BERCO CR2189 top roller | KOMATSU 140-813-0070 top roller |
| CASE S239440 top roller | KOMATSU 141-30-00072 top roller |
| CATERPILLAR 4K3985 top roller | BERCO KM103A top roller |
| CATERPILLAR 5K6537 top roller | BERCO KM103B top roller |
| CATERPILLAR 5Y1130 top roller | KOMATSU 131-30-00310 top roller |
| CATERPILLAR 9S3570 top roller | KOMATSU 131-30-00312 top roller |
| LANDINI MASSEY FERGUSON 1430324M91 top roller | KOMATSU 131-30-00314 top roller |
| LARSEN & TOUBRO E10042379, L20342314 top roller | KOMATSU 131-30-00316 top roller |
| LIEBHERR 5000952 top roller | KOMATSU 141-30-00071 top roller |
| LIEBHERR 5004451 top roller | KOMATSU 141-30-00073 top roller |
| LIEBHERR 5604451 top roller | BERCO KM2379 top roller |
| BERCO CR2881 top roller | ITM C4041100M00 top roller |
| BERCO CR2881B top roller | KOMATSU 124-30-00131 top roller |
| JOHN DEERE AT174847 top roller | KOMATSU 124-30-53000 top roller |
| CATERPILLAR 5A8374 top roller | KOMATSU 124-30-00132 top roller |
| CATERPILLAR 5M8631 top roller | KOMATSU 11Y-30-00031 top roller |
| CATERPILLAR 8S0465 top roller | BERCO KM574 top roller |
| ITM C0105100M00 top roller | ITM C40311B0M00 top roller |
| LIEBHERR 5003858 top roller | KOMATSU 111-30-00260 top roller |
| LIEBHERR 5601351 top roller | BERCO KM778 top roller |
| POCLAIN-CASE POCLAIN D0842332 top roller | ITM C4031100M00 top roller |
| P0042379 top roller | KOMATSU 113-30-00110 top roller |
| ZKI842332 top roller | KOMATSU 113-30-00111 top roller |
| BERCO CR3002 top roller | KOMATSU 113-30-00112 top roller |
Manufacturers’ names, numbers, symbols and descriptions are used for reference purposes only and it is not implied that any part listed is the product of the manufacturers.
FAQ
1. What is the percent of your parts for overseas market?
70percent of our parts are for overseas market.
2. How do you offer guarantee?
If parts are broken due to manufacturing problem, we will deduct the value for next order amount or offer you brand new one to replce.
3. If we don’t have drawings, could we develop a new item?
Yes, you can offer us the main dimension. Then we can compare with our ready products and make a drawing for your checking.
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