Trailer Hub 3.5K Capacity – 5-Lug Idler Hub
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Trailer Hub 3.5K Capacity – 5-Lug Idler Hub
Description:
This 3,500 lb trailer idler hub assembly comes pre-greased and ready to install — no messy bearing packing required.
Built for #84 spindles and compatible with nearly all major 3.5K trailer axle brands, this hub fits trailers using 5 on 4.5" or 5 on 5" bolt patterns.
The hub includes all internal components — bearings, races, seal, grease cap, and lug nuts — pre-installed and lubricated with lithium-complex multipurpose grease for long-term protection. Its cast-iron body and zinc-enriched paint coating help resist corrosion while maintaining excellent heat dissipation under load.
Features:
- Fits 3,500 lb axles with #84 spindles
- Compatible with nearly all major 3.5K trailer axle brands
- Pre-greased and assembled — ready to install
- Includes bearings, races, seal, grease cap, and lug nuts
- Zinc-enriched finish helps protect against corrosion
- Lithium-complex grease keeps bearings lubricated longer
- QAI & CSA certified for safety and quality compliance
Specifications:
| Specification | Details |
|---|---|
| Axle Rating | 3,500 lb |
| Hub Capacity | 1,750 lb per hub |
| Spindle Type | #84 |
| Outer Journal Diameter | 1.063" OD |
| Inner Journal Diameter | 1.378" OD |
| Bolt Pattern | 5 on 4.5" or 5 on 5" |
| Wheel Stud Size | 1/2" Diameter x 1-5/16" Length |
| Grease Cap Flange Diameter | 1.988" |
| Wheel Size Range | 13"–15" |
| Construction | Cast Iron Hub |
| Finish | Zinc-Enriched Paint Coating |
| Warranty | 1 Year Limited Warranty |
Bearing, Race & Seal Info:
| Part | Details |
| Inner Bearing | L68149, 1.378" ID |
| Inner Race | L68111 |
| Outer Bearing | L44649, 1.063" ID |
| Outer Race | L44610 |
| Grease Seal | 58846, 1.719" ID x 2.565" OD |
What’s Included:
- 1 × Hub assembly, pre-greased
- 1 × Inner & outer bearing set, with pressed races installed
- 1 × Grease seal
- 1 × Grease cap
- 5 × 1/2" lug nuts
- 1 × Washer
- 1 × Cotter Pin
- 1 × Slotted Hex Nut
Ideal For:
- Utility trailers
- Boat trailers
- Car haulers
- Cargo trailers
- Equipment trailers
- Trailer repair and replacement
- Shop and fleet maintenance stock
Important Note:
Please confirm your axle rating, spindle size, bolt pattern, bearing numbers, grease seal size, and wheel compatibility before purchase. Professional installation is recommended for safe and proper trailer performance.