Description
3500 lb Trailer Axle Idler Hub – 5 Lug (5 on 4.5″ or 5 on 5″)
Replace or upgrade your trailer hub with this 3500 lb trailer axle idler hub, designed for dependable performance on utility, cargo, and equipment trailers. Available in 5 on 4.5″ or 5 on 5″ bolt pattern options, this hub fits most standard 3.5K trailer axles.
This hub includes pre-installed races only. Bearings, grease seal, dust cap, and hardware are NOT included.
Specs:
- Axle Rating: 3500 lb (3.5K)
- Bolt Pattern Options: 5 on 4.5″ or 5 on 5″
- Hub Type: Idler Hub (No Brakes)
- Hub Capacity: 1750 lbs each
- Finish: Black Painted
- Stud Size: 1/2″-20
- Designed for: #84 Spindle
- Compatible with – 3.5k TK Trailer Axle – 3500 lb Idler 5 lug
What’s Included:
- (1) 3500 lb Black Painted Idler Hub
- (5) 1/2″-20 Wheel Studs (Pre-pressed)
- (1) L44610 Outer Race – 1.98″ OD (Pre-pressed)
- (1) L68111 Inner Race – 2.362″ OD (Pre-pressed)
- Ready to Ship-Package: (1) 12″x12″x6″ Box @ 6 lbs
Bearings, grease seal, grease cap, wheel nuts, and spindle retainer are sold separately. To simplify your installation, you can add the complete hardware kit upgrade available above.
Compatibility:
Fits most 3500 lb trailer axles using:
- L68149 Inner Bearing
- L44649 Outer Bearing
- 10-19 Grease Seal
- 5-Lug Wheels (5 on 4.5″ or 5 on 5″)
Always confirm your axle spindle and bearing numbers before ordering.
Ideal For:
- Utility trailers
- Cargo trailers
- Landscape trailers
- Equipment trailers
- Custom trailer builds
Built for Reliable Trailer Performance
This 3.5K idler hub is designed for standard trailer applications where brakes are not required. The durable black painted finish provides basic corrosion protection for everyday use.
Perfect for customers who already have bearings and seals on hand or prefer to source components separately.
Strong. Simple. Ready to Build.
Order today and get a dependable 3500 lb trailer idler hub built for long-lasting performance.

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