Engineer superior control and safety into your trailer with our heavy-duty 3,500 lbs capacity stub axle assembly. This complete, ready-to-install unit integrates a reliable electric brake system, making it the ideal choice for medium-duty trailers where controlled stopping power is essential. The unique round-to-square design offers versatile mounting solutions for a secure and permanent fit.
Ideal Applications:
Car Haulers and Equipment Trailers
Heavy-Duty Utility Trailers
Enclosed Cargo Trailers
Tandem Axle Boat Trailers requiring electric brakes
Any trailer where reliable, self-actuated braking is required for safety and legal compliance
Technical Specifications Summary:
Load Capacity: 3,500 lbs (per assembly)
Spindle Type: 45mm Round with Square Mounting End
Brake System: 10" Electric Drum Brake
Bolt Pattern: 5 Lug (e.g., 5 on 4.5" or 5 on 5")
Wheel Compatibility: Designed for 10-inch trailer wheels
The Trailer Bearing Kit for 3500 lbs Axle is designed for caravans, utility trailers, and light-duty trailers equipped with double-eye leaf spring suspensions. This comprehensive kit ensures smooth wheel rotation, reduces friction, and extends the lifespan of your trailer's axle assembly. Ideal for maintenance or axle rebuilds, it includes high-quality components to handle loads up to 3,500 lbs GAWR (Gross Axle Weight Rating).
Inner & Outer Tapered Roller Bearings
Precision-engineered for durability and optimal load distribution.
Bearing Races
Heat-treated steel races to match bearings for long-term performance.
Seals
Double-lipped rubber seals to prevent grease leakage and contaminants.
Spindle Nut & Washer
Adjustable castellated nut with cotter pin for secure fastening.
Grease Caps
Metal or polymer caps to protect bearings from dirt and moisture.
Pre-Greased Bearings
Packed with high-temperature lithium grease for immediate use.
Axle Type: 3,500 lbs GAWR trailer axles with double-eye leaf spring mounts.
Spindle Size: Fits standard 1" or 1.25" diameter spindles (confirm spindle specs).
Hub Compatibility: Matches common 4-, 5-, or 6-lug hubs (e.g., 5x4.5" bolt pattern).
| Parameter | Specification |
|---|---|
| Load Capacity | 3,500 lbs GAWR |
| Bearing Type | Tapered roller bearings (LM11949/LM11910 or equivalent) |
| Seal Type | Double-lip rubber seal (Nitrile material) |
| Spindle Compatibility | 1" or 1.25" diameter spindles |
| Nut & Washer | Castellated spindle nut with lock washer and cotter pin |
| Grease Type | High-temperature lithium grease (NLGI #2) |
| Hub Compatibility | Standard 4-, 5-, or 6-lug hubs (verify bolt pattern match) |
| Leaf Spring Mount | Double-eye leaf spring compatibility (2.5"-3" wide spring seats) |
| Material | Bearings: Chrome steel Seals: Nitrile rubber Caps: Steel or polymer |
| Temperature Range | -30°C to 120°C (-22°F to 248°F) |
| Weight | Approx. 2-3 lbs (varies by kit components) |
| Application | Caravans, boat trailers, utility trailers, small camper trailers |
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