Pre-Greased Idler Hub Kit – 3.5K Trailer Axles – 5 on 4.5 Bolt Pattern – 1/2" Studs
This pre-greased idler hub kit is designed for trailer axles rated around 3,500 lb capacity. The hub comes pre-assembled with bearings installed and packed with grease to simplify installation when replacing or servicing trailer hubs.
The hub uses a standard 5 on 4.5 wheel bolt pattern with 1/2" wheel studs commonly found on utility, cargo, and boat trailers.
R&P Knowledge Hub
Idler hubs support trailer wheels on axles that do not use electric brakes. A pre-greased hub kit simplifies installation because the bearings are already installed and lubricated inside the hub.
Always verify bolt pattern, axle capacity, bearing sizes, and seal dimensions before installing a replacement hub.
Features
- Pre-greased idler hub assembly
- 5 on 4.5 wheel bolt pattern
- 1/2" wheel studs
- Designed for approximately 3,500 lb trailer axles
- Common on utility, cargo, and boat trailers
Kit Contents
- Idler hub (pre-greased)
- Bearings
- Seal
- Solid dust cap
- Grease cap
Specifications
| Specification | Detail |
| Axle Capacity | 3,500 lb |
| Bolt Pattern | 5 on 4.5 |
| Wheel Stud Size | 1/2" |
| Hub Type | Idler Hub (Non-Brake) |
Verify axle compatibility and bolt pattern before installation.
