Description
The TruRyde® Square SP20484X 84 Spindle & 5-4.5″ Bolt Circle Trailer Hub (Part SP284545LB1E) is a complete hub assembly designed for 3,500 lb. trailer axles. This hub features a square 84 spindle and the popular 5 on 4.5″ bolt pattern, making it a reliable replacement for many standard single-axle trailers.
Key Specifications
- Capacity: Rated for 3,500 lb. axles (2,000 lb. per hub / pair capacity)
- Bolt Pattern: 5 on 4.5″ (5 studs)
- Spindle: Square 84 Spindle
- Spindle Width: 1-1/2″
- Spindle Length: 3.5″
- Overall Length: 8-1/4″
- Bearings: L68149 inner and L44649 outer
- Includes: Hub, inner bearing, outer bearing, seal, grease cap, and lug nuts
- Construction: Pre-raced & pre-studded with 1/2″-20 studs
This TruRyde square spindle hub assembly is ready for installation and offers excellent value and dependable performance. The square 84 spindle design is commonly used in the trailer industry and ensures broad compatibility. The 5 on 4.5″ bolt circle is widely used across utility trailers, boat trailers, cargo trailers, and other light-duty applications.
Questions about compatibility with your axle? Call our trailer experts at 1-800-866-3336.
Browse more hubs and spindles or trailer hubs and bearings.
| Part No | Quantity | Description |
| X1023R | 5 | Nut, Cone 60-Deg |
| RVI-U-5450 | 1 | Hub, 3.5K, 545, Cupped & Studded |
| GS-1719DLR | 1 | Seal, Grease 1.72 ID |
| DC-200 | 1 | Grease Cap |
| L-44649 | 1 | Bearing Cone (L44649) |
| L-68149 | 1 | Bearing Cone (L68149) |
| SP20484 | 1 | 1.5″ Square 84 Spindle |
| FS-SN100 | 1 | 1″ Spindle Nut |
| FA-SW100 | 1 | 1″ Spindle Washer |
| 18X134CP | 1 | Cotter Pin |
