Heavy Duty Roller Assembly Unit — LZGJLBT48SX043554 (Mounting Base, Bolts & Protective Shield) 100% brand new high-quality aftermarket replacement roller assembly / guide roller unit. Complete kit includes heavy-duty base, hardened alloy roller, protective steel guard, and high-strength bolts & washer sets. Forged alloy steel roller with structural carbon steel base plate. Widely applied to commercial semi-trailers, lowbed trailers, heavy machinery transporters, and winch guide systems. Anti-rust protective packaging and ready for global ocean freight shipping to your designated port. |
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Technical Specifications
| Product Identity |
| Product Name | Heavy Duty Roller Assembly Unit |
| Part Number (P/N) | LZGJLBT48SX043554 |
| Product Category | Trailer Structure Parts, Guide Rollers & Heavy Hardware Spare Parts |
| Material & Fitment |
| Assembly Components | Base Plate, Roller, Axle Pin with Lock Nut, Protective Guard, Bolts & Washers |
| Mounting Pattern | 4-Bolt Base Flange Mounting |
| Finish / Coating | Anti-Rust Primer & Zinc-Plated Hardware |
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Key Features & Product Advantages
Complete Full-Set Assembly Kit Supplied with all necessary mounting hardware including high-tensile steel hex bolts, flat washers, and spring washers to ensure fast, turn-key installation. | Heavy-Duty Steel Protective Guard Semi-enclosed curved steel shield protects the roller mechanism from falling debris, rocks, grit, and accidental impacts during heavy haulage operations. |
Precision Hardened Steel Roller Wear-resistant alloy steel with smooth rotation surfaces reduces friction, cable wear, or track binding under heavy loads. | Reinforced Gusseted Mounting Base Pre-drilled flange mounting holes and side support gussets designed to evenly distribute extreme vertical and radial mechanical loads. |
Corrosion-Resistant Industrial Coating Protective anti-rust primer and industrial coating endure outdoor weathering, mud exposure, and harsh working conditions. |
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Product Applications
Lowbed & Heavy Transporter Trailers Serves as a guide roller or load support roller for loading heavy machinery and ramp mechanisms. |
Commercial Utility Trailers & Winch Lines Guides steel wire ropes and winch cables smoothly without chaffing or structural binding. |
Industrial & Mining Machinery Used in sliding frame assemblies, track guides, and heavy sliding rail systems. |
Packaging & Shipping
Packaging Each roller assembly complete with its bolt and washer hardware package is oiled, foil-wrapped, and packed into heavy export cardboard boxes or wooden cases to protect against surface rust and transportation impact. | Shipping Shipped via ocean freight (FCL full container load or LCL specialized bulk cargo) to your designated seaport. Full export documentation provided. |
About Shandong Chengda Auto Sale Co., Ltd.
Who We Are Shandong Chengda Auto Sale Co., Ltd., established in 2005, is one of the qualified manufacturers of trailers, semi-trailers, tractor heads, dump trucks, engineering machinery, and trailer parts. Annual export value above 50 million USD, revenue nearly 600 million RMB. | Global Partners Long-term business relationships with world-famous enterprises including SINOTRUK, SHACMAN, FAW, DFAC, XUGONG Group, LIUGONG Group, SEM Group, etc. Mature after-sale systems and professional sales team. |
FAQ (Frequently Asked Questions)
1. Who are we? Based in Shandong, China, exporting since 2017. Sales to Africa (60%), Southeast Asia (20%), South Asia (10%), South America (5%), Oceania (3%), Mid East (2%). About 101-200 people in our office. | 2. How can we guarantee the quality? Always a pre-production sample before mass production; always final inspection before shipment. |
3. What can you buy from us? Truck (Dump Truck, Tractor Truck), Semi Trailer (Low Bed Truck Trailer, Flatbed Trailer, Fuel Tanker Semi Trailer, Bulk Cement Trailer), Low Bed Trailer, Trailer Parts, Roller Assemblies & Structural Hardware. | 4. Why should you buy from us? Established in 2005, our plant is one of the qualified manufacturers of various trailers and heavy truck parts suppliers. Factory direct price, customized products, diversified inventory, leading technology, professional sales team. |
5. What services can we provide? Delivery Terms: FOB, CFR, CIF, EXW; Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF; Payment Type: T/T, L/C, MoneyGram, Credit Card, PayPal, Western Union, Cash; Languages: English, Chinese, Spanish, Portuguese, Arabic, French. |
Customer Visits
Customers from more than 80 countries visit us, from East Africa, West Africa, South America, Asia, etc.
Certifications
ISO 9001, CE, and international commercial trailer mechanical parts quality standard certifications.
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