Idler Hub Complete Kits with Installed Bearings – 3,500-lb Axles
Features
- Pre-greased hub assembly with installed bearings for immediate use and reduced setup time
- Complete wheel-end kit includes all essential components for installation
- Durable cast-iron hub body for strength and long-term reliability
- Corrosion-resistant, zinc-plated studs for enhanced durability
- Designed for idler axle systems (non-braking applications)
- Smooth rotation performance with properly lubricated bearings
- Universal compatibility with a wide range of trailer axle systems
- Easy installation with press-in dust cap design
Compatibility
- Designed for 3,500 lb trailer idler axles
- Compatible with:
- Lippert axle systems
- Compatible competitor axle systems
- Suitable for wheel sizes: 13" to 15"
- Available bolt patterns:
- 5 on 4.5"
- 5 on 5"
- Uses 1/2" wheel studs
- Intended for non-braking (idler) axle configurations
3,500 lb Trailer Idler Hub Complete Kit with Pre-Installed Bearings
A complete idler hub assembly designed for 3,500 lb trailer axles, engineered to simplify installation and maintain smooth, reliable wheel rotation. This all-in-one kit includes pre-installed, pre-greased components to support long-lasting performance on non-braking axle systems.
Available Configurations
- Axle Rating: 3,500 lbs
- Bolt Patterns:
- 5 on 4.5"
- 5 on 5"
- Wheel Size Compatibility: 13"–15"
- Stud Size: 1/2"
- Hub Type: Idler hub (pre-assembled with bearings)
Specifications
- Axle Capacity: 3,500 lbs
- Hub Style: Idler hub (non-brake)
- Hardware Type: Hub assembly
- Material: Cast iron
- Stud Size: 1/2"
- Stud Length: 1.25"
- Wheel Size Compatibility: 13"–15"
- Warranty: 1 year
- Country of Origin: USA / China
- Construction: Cast iron hub body with zinc-plated studs
- Bearing Condition: Pre-installed and pre-greased
- Included Components:
- Idler hub with installed bearings
- Dust cap with plug
- Cotter pin
- 6-slot castle spindle nut
- Spindle washer
- Trailer lug nuts (60° cone)
- Installation Type: Ready-to-install assembly
- Maintenance: Periodic inspection and re-greasing recommended
Installation & Notes
- Verify bolt pattern, axle rating, bearing specifications, and wheel size before installation
- Ensure proper torque and lubrication during installation
- Regular maintenance will help prevent premature wear and maintain optimal performance
| Idler Hub Kits Model | 3,500-lb. 5 on 4.5", 13-15" Wheel Size, 1/2" Studs or 3,500-lb. 5 on 5", 13-15" Wheel Size, 1/2" Studs |















