Rockwell American 3500 lb Idler Trailer Axle, 85 in Hub Face, 70 in Spring Center, 5 on 4.5 Bolt Pattern, Axle Only

Rockwell American 3500 lb Idler Trailer Axle, 85 in Hub Face, 70 in Spring Center, 5 on 4.5 Bolt Pattern, Axle OnlyThe Rockwell American 3500 lb idler trailer axle is designed for reliable towing performance and stable load handling across a wide range of single axle trailer applications. As part of the Dexter family, an industry leader in trailer axle manufacturing, Rockwell American assemblies deliver the durability and consistency trusted by trailer manufacturers nationwide. Commonly used for utility, cargo, landscape, and car hauler trailers, this axle provides smooth rolling support for trailers that do not require electric brakes.Fitment Specs3500 lb capacity with 85 in hub face, 70 in spring center, 2-3/8 in axle tube, and 5 on 4.5 bolt pattern; fits most 72 in wide trailer frames.Axle ConfigurationThis axle features a 3500 lb capacity idler setup with pre-installed hubs and common service components; designed for compatibility with standard trailer wheels and suspension systems, making it ideal for replacements or new builds.Easy MaintenanceRockwell American Posi-Lube system allows fast bearing lubrication through built-in grease zerk; services inner and outer bearings without hub removal.Built for PerformanceCambered axle tube supports proper tire contact under load; helps improve tracking and stability while reducing uneven tire wear during towing.What’s Included:(1) 3500 lb idler trailer axle with pre-installed 5 lug hubs(1) Johnson Trailer Parts mugDesigned for Reliable FitmentBuilt with carefully matched components and supported by Johnson Trailer Parts to ensure proper alignment, dependable performance, and consistent operation across trailer applications.

• Fitment Specs: 3500 lb capacity with 85 in hub face, 70 in spring center, 2-3/8 in axle tube, and 5 on 4.5 in bolt pattern; fits most 72 in wide trailer frames
• Axle Only: Includes 3500 lb idler trailer axle with pre-installed hubs, inner and outer bearings, grease seals, wheel studs, and lug nuts; ready for installation or replacement
• Easy Maintenance: Rockwell American Posi-Lube system allows fast bearing lubrication through built-in grease zerk; services inner and outer bearings without hub removal
• Built for Performance: Cambered axle tube supports proper tire contact under load; helps improve tracking and stability while reducing uneven tire wear
• Trailer Applications: Ideal for boat, car hauler, cargo, landscape, and utility trailers; suitable for new builds, repairs, and axle replacements