Choosing the right trailer hub assembly is essential for safe, reliable towing on RV, utility, and boat trailers. This guide highlights five top options that fit 1-1/16″ to 1-3/8″ #84 tapered spindles and handle up to 3500 lbs per axle. All selections are designed for easy installation, with pre-greased bearings and durable seals. Explore practical features, compatibility notes, and buying considerations to help you pick a hub kit that aligns with your trailer’s requirements and your maintenance preferences.
| Product | Brand | Capacity | Spindle | Link |
|---|---|---|---|---|
| Fanmoss 2 Sets 3500Lb 5 Lug Trailer Hub Kits | Fanmoss | 3500 lb | 5 Lug, 4.5″ | Link included in product section |
| Saree 2 Sets 3500Lbs Trailer Hub Kit | Saree | 3500 lb | 5 Lug, 4.5″ | Link included in product section |
| iBroPrat 2 Sets 3500lb Trailer Hub Kit | iBroPrat | 3500 lb | 5 Lug, 4.5″ | Link included in product section |
| Dexter 3500 lb Trailer Hub Assembly Kit | DEXTER AXLE | 3500 lb | 5 Lug, 4.5″ | Link included in product section |
| Carry-On Trailer 5-Bolt Hub Assembly Kit | Carry-On Trailer | 1750 lb per hub | 5 Lug, 4.5″ | Link included in product section |
Fanmoss 2 Sets 3500Lb Hub Kits
Fanmoss offers a pre-assembled, lubricated hub kit for 1-1/16″ to 1-3/8″ #84 tapered spindles, supporting up to 3500 lbs per axle. The kit is designed for quick installation with pre-installed bearings and double-lip grease seals to prevent leaks. The hubs use rust-resistant carbon steel and precision bearings to reduce noise and heat buildup, making them suitable for RV, utility, and boat trailers. This option emphasizes broad compatibility and straightforward maintenance.
Saree 2 Sets 3500Lbs Hub Kit
Saree provides a complete 5 on 4.5″ hub kit designed for 1-1/16″ to 1-3/8″ tapered spindles (L68149 inner and L44649 outer bearings). It is packaged to minimize transport damage, with separate outer boxes for each hub set. Built to US G3000 standards on gray cast iron hubs, the kit emphasizes durable construction and reliable heat transfer for longer service life. Note that it is intended for tapered spindles, not straight spindles.
iBroPrat 2 Sets 3500lb Hub Kit
iBroPrat’s kit is tailored for 5 on 4-1/2″ configurations with 3500 lb axles, fitting 1-1/16″ to 1-3/8″ tapered spindles. It includes outer L44649 and inner L68149 bearings, grease seals, cotter pins, nuts, and a dust cap. The measurement guidance helps confirm the 5×4.5″ bolt pattern. The package contents ensure a ready-to-install setup, with components chosen to support reliable lubrication and sealing for trailer operation.
Dexter 3500 Lb Hub Assembly Kit
Dexter’s 3500 lb hub assembly is designed for E-Z Lube idler axles with #84 spindles. The kit comes pre-greased and includes inner (L68149) and outer (L44649) bearings, races, seals, grease caps, wheel bolts, and lug nuts for a complete installation. It’s positioned as a dependable option for standard 5-lug, 4-1/2″ hubs on light- to medium-duty trailers, emphasizing compatibility with typical Dexter and other branded axles in the market.
Carry-On Trailer 5-Bolt Hub Kit
Carry-On Trailer offers a 5-bolt, 4.5″ hub kit with a 1,750 lb per-hub rating. The kit includes the hub, four lug nuts, a dust cap, and compatible hardware for standard trailers with 3,500 lb axles. This option is suitable for lighter load trailers where a compact, economical hub kit is desired, balancing typical capacity with straightforward installation and compatible components.
Buying Guide: Key Purchase Considerations
- Spindle compatibility: Confirm your axle uses a tapered #84 spindle and whether it’s a straight or tapered design; many hubs are specifically for tapered spindles (L44649/L68149 pairings) and may not fit straight spindles.
- Bolt pattern and wheel compatibility: Most 3500 lb hubs use 5×4.5″ bolt patterns. Verify the bolt circle and lug nut type (1/2″-20 thread) to match your wheels and hubs.
- Load rating per axle: Ensure the kit supports your trailer’s total cargo + trailer weight. For 3,500 lb axles, each hub typically handles about 1,750 lb; verify total trailer capacity and local towing rules.
- Bearings and seals: Look for kits with pre-lubed bearings and double-lip seals to minimize leaks. Seal material, grease type, and bearing material influence durability and noise.
- Pre-installed components: Kits that include races, grease, caps, nuts, and cotter pins reduce installation steps and potential missing parts.
- Maintenance and compatibility: Some kits are designed for E-Z Lube systems; ensure compatibility with your trailer’s lubrication method and axle model.
- Packaging and shipping: For easier storage and transport, consider kits with protective packaging and clearly labeled parts, especially if you transport multiple assemblies.
- Brand support and warranties: Reputable brands often provide clearer documentation and customer support if bearings or seals fail or if replacement parts are needed.