12-inch 8-bolt Electric Brake Trailer Wheel Hub
8-Bolt Wheel Mounting Pattern
The hub features an 8-bolt mounting flange, compatible with heavy-duty trailer wheels that use the common 8-on-6.5 inch or 8-on-170mm bolt circles (please confirm your specific pattern). The eight-bolt configuration distributes clamping force evenly across the wheel, reducing the risk of loosening under vibration and allowing higher load capacities compared to 5- or 6-bolt designs.
Precision-Machined for Smooth Operation
The hub is machined from high-grade cast iron or ductile iron (specify as needed), with accurately cut bearing races and a smooth brake drum interior surface. The bearing journals are ground to tight tolerances to ensure proper fitment of standard tapered roller bearings. A smooth drum surface minimizes brake pulsation and wear, extending the life of both the hub and the brake linings.
Engineered for Electric Brake Systems
The 12-inch drum diameter is specifically matched to standard electric brake shoe dimensions (typically 12″ x 2″ or 12″ x 3.5″ - adjust as needed). The drum provides an optimal friction surface for the electric brake magnets to actuate the shoes. Proper heat dissipation is built into the design, as the drum mass absorbs and releases thermal energy during repeated braking events, reducing the risk of brake fade on long downhill grades.
Heavy-Duty Load Rating
With its 8-bolt pattern and robust cast construction, this hub is suitable for tandem-axle trailers, car haulers, equipment trailers, and boat trailers with gross vehicle weight ratings (GVWR) typically ranging from 7,000 to 10,000 pounds per axle - always verify with your specific application. The hub is designed to withstand the shock loads and continuous duty cycles encountered in commercial towing.
Specs & Features
| Project | Trailer axle and wheel hub | Process: | The main process is hot forging, with some parts using cold forging, and the axles are welded. |
| Material: | G3000 type | Weight | 7000 lbs |
| Applicable machining processes | CNC machining/turning/milling/ boring/drilling/tapping/rolling/reaming, etc. |
Applicable surface treatments | Sandblasting, polishing, surface passivation, primer, powder coating, ED coating, chromate coating, zinc plating, Dacromat coating, topcoat. |
Packaging & Shipping
FAQ
1.Who are we?
YALONG'S headquarters is located in Shandong, China. Since 2018, we have been selling to Africa (30.00%), South Asia (20.00%), Southeast Asia (20.00%), Middle East (20.00%), and domestic market (10.00%). There are about 11-50 people in our office.
2.why should you buy from us not from other suppliers?
We adhere to the business philosophy of "quality first, customer first" and have won the trust and support of domestic and foreign customers with excellent product quality, good service attitude, and reasonable sales prices. The main export countries and regions are: Africa, Southeast Asia, Central Asia, South America and other places. We have a professional design and development team that can design and develop a car that is more suitable for you according to your needs; rich export experience, familiar with the export procedures and required certifications of various countries, and can deliver your car to you faster; We With first-class production equipment, strong technical force and advanced testing methods, we can provide you with more stable and reliable vehicles.
3.How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
4.Why should you buy from us not from other suppliers?
YALONG is a company specializing in the export of used commercial vehicles, providing one-stop services such as procurement, preparation, inspection, customs declaration, transportation, and customs clearance at the destination for foreign customs.
5.How is your after-sales service technical team?
Not only are we a trading company, but we have a team of engineers and professional maintenance staff who have been working in the field of construction machinery for nearly 20 years. We can provide you with online service support in a timely manner, or send it to the China Manufacturing network for support when needed.
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