Choosing the right trailer hub bearing assembly is essential for safe, reliable towing. This guide highlights five top-rated 5-on-4.5″ hub kits designed for 3500 lb axles with EZ-Lube or tapered spindles. Each option includes pre-lubricated bearings, seals, and all installation hardware. Use the quick-reference table below to compare fitment, spindle type, and key features before diving into the product details.
| Product | Brand | Fit / Spindle | Notes |
|---|---|---|---|
| GREPSPUD | 1-1/16″ to 1-3/8″ tapered EZ-Lube #84 | ||
| GREPSPUD | 1-1/16″ to 1-3/8″ tapered EZ-Lube #84 | ||
| Saree | 1-1/16″ to 1-3/8″ tapered spindles | ||
| iBroPrat | 1-1/16″ to 1-3/8″ tapered, L44649/L68149 | ||
| DEXTER AXLE | 5 on 4.5″, 1-1/16″ to 1-3/8″ EZ Lube |
GREPSPUD 3500 Lb Hub Kit 5×4.5
The GREPSPUD hub kit is designed for 3500 lb trailers with 1-1/16″ to 1-3/8″ tapered EZ-Lube spindles. It uses L44649 outer bearings and L68149 inner bearings and is prelubricated with grease for quick installation. The kit includes all necessary installation parts, making on-axle replacement straightforward and efficient. Important to verify spindle and bolt pattern measurements before purchase to ensure proper fit.
GREPSPUD Galvanized Hub Kit – 3500 Lb
This galvanized variant is built for durability in challenging conditions while maintaining the same 5×4.5″ bolt pattern and EZ-Lube spindle compatibility. Prelubricated bearings and seals reduce maintenance time. It emphasizes the same size checks and measurement accuracy required for tapered spindles to avoid wrong-size deliveries.
Saree 3500 Lb Hub Kit – 5×4.5
The Saree hub kit targets 3,500 lb trailers with tapered spindles, offering solid construction and robust packaging to protect during shipping. It specifies compatibility with multiple brands and emphasizes the tapered-spindle requirement for correct operation. The kit includes all critical parts and prepackaged components for straightforward installation.
iBroPrat 3500 Lb Hub Kit – 5×4.5
The iBroPrat kit is designed for 3500 lb trailers with tapered spindles (1-1/16″ to 1-3/8″). It includes outer and inner bearings (L44649 and L68149), along with a complete set of hardware—lug nuts, spindle nuts, seals, cotter pins, dust caps, and plugs. The kit provides detailed measurements to ensure the correct 5×4.5″ bolt pattern for your axle.
Dexter 3500 Lb Hub Assembly Kit
The Dexter hub assembly kit is tailored for 3,500-lb EZ-Lube idler axles with #84 spindles. This pre-greased, complete kit includes inner and outer bearings (L68149 and L44649), races, grease seal, grease cap, wheel bolts, and lug nuts. Dexter’s lineup emphasizes compatibility with EZ-Lube systems and ease of maintenance, suitable for light-duty trailer applications where quick service matters.
Buying Guide: Key Purchase Considerations
When selecting a trailer hub bearing assembly, consider the following perspectives to ensure a fit that lasts and performs reliably:
- Spindle type: Most 5×4.5″ assemblies for 3500 lb axles target tapered spindles (1-1/16″ to 1-3/8″). Straight spindles require a different kit. Verify spindle type before purchase to avoid incompatibility.
- Bearing compatibility: Common bearings are L44649 (outer) and L68149 (inner). Confirm these part numbers align with your current hub if you’re replacing only one side or upgrading seals and races.
- Pre-lubed vs. dry: Prelubricated kits save installation time and reduce the risk of improper lubrication. If you prefer, you can repack the bearings with your preferred grease, but pre-lubed options are convenient for quick repairs.
- Bolt pattern and dimension accuracy: The standard 5×4.5″ bolt pattern is critical for wheel compatibility. Measure the bolt circle and verify the hub diameter and height in the product images and descriptions before ordering.
- Durability and finish: Galvanized finishes provide corrosion resistance in harsher environments, which may be beneficial for frequent exposure to water, salt, or mud.
- Included hardware: Some kits bundle lug nuts, grease seals, dust caps, and cotter pins. Ensure you receive all required components for a complete install.
- Brand compatibility: Reputable brands like Dexter and EZ-Lube-compatible kits often emphasize reliable seals and bearings, which can influence longevity and maintenance needs.
- Packaging and shipping: Some kits come with protective packaging to prevent damage during transit. For value and storage, consider kits with robust packaging.
Summary: Each kit reviewed here targets standard 3500 lb axles with a 5-on-4.5″ bolt pattern and tapered spindles. Availability of galvanized finishes adds a corrosion-resistant option. Always validate spindle type, bearing sizes, and bolt pattern against your trailer’s specifications to ensure a proper match.