Xi'an Heavy Truck Power Auto Parts Co., Ltd.
| Purpose | for replace/repair |
| Product Name | Carrier-Bearing |
| SIZE | Standard Size |
| Material | Steel |
| Car Model | SANY XCMG |
| Packaging Details | Neutral packaging |
| Delivery Time | 20-30work days |
| Payment Terms | T/T |
| DELIVERY TIME | 20-30 Days |
| OEM No | 391-8311 |
| Supply Ability | 5000 pieces |
| PAYMENT | T/T |
| MOQ | 100 Pcs |
| Type | gearbox spare |
| Packing | Carton Box |
| Quality | Genuine Products |
| Condition | New |
| OEM | FC6A250 |
| Place of Origin | Shaanxi, China |
| Brand Name | Shuangte TT |
| Model Number | 391-8311 |
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Product Specification
| Purpose | for replace/repair | Product Name | Carrier-Bearing |
| SIZE | Standard Size | Material | Steel |
| Car Model | SANY XCMG | Packaging Details | Neutral packaging |
| Delivery Time | 20-30work days | Payment Terms | T/T |
| DELIVERY TIME | 20-30 Days | OEM No | 391-8311 |
| Supply Ability | 5000 pieces | PAYMENT | T/T |
| MOQ | 100 Pcs | Type | gearbox spare |
| Packing | Carton Box | Quality | Genuine Products |
| Condition | New | OEM | FC6A250 |
| Place of Origin | Shaanxi, China | Brand Name | Shuangte TT |
| Model Number | 391-8311 |
|
Product Name
|
Carrier-Bearing
|
|
Product number
|
391-8311L
|
|
Applicable model
|
Cater-pillar Excavator SANY TONLY XCMG
|
|
Packing quantity
|
Carton box
|
|
Delivery time
|
20-30 Days
|
|
Precision-engineered according to original factory specifications (OEM Nos.: Optimized to withstand heavy torque loads and severe road vibrations during high-load mining operations. Balances contact stress across planetary gear sets, delivering high radial and axial load capacity to prevent carrier misalignment under extreme duty. Crafted from high-purity, vacuum-degassed carburized alloy steel with advanced deep-carburizing heat treatment. Achieves ultra-hard outer raceways (HRC 60–64) with a tough, impact-absorbing core, drastically extending transmission overhaul intervals. Super-finished with micron-level CNC grinding (Ra ≤ 0.1μm), ensuring strict dimensional tolerances and roller concentricity. Significantly reduces rotational friction, parasitic torque loss, and operating heat buildup for quiet, efficient power transmission Outfitted with a reinforced heavy-duty cage engineered to resist severe centrifugal vibration and high-temperature ATF gear oil , preventing cage distortion and roller jamming during continuous high-load hauling. |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Trading Company,Seller,Exporter
Year Established:
2013
Total Annual:
5000000 -100000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Xi'an Heavy Truck Power Machinery Parts Co., Ltd. is a professional supplier of spare parts for Chinese heavy-duty trucks and off-road mining vehicles, headquartered in Xi'an, China — the heartland of the country's heavy equipment manufacturing industry. With 20 years of experience, we have ... Xi'an Heavy Truck Power Machinery Parts Co., Ltd. is a professional supplier of spare parts for Chinese heavy-duty trucks and off-road mining vehicles, headquartered in Xi'an, China — the heartland of the country's heavy equipment manufacturing industry. With 20 years of experience, we have ...
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