2PCS Trailer Idler Hub Kits 5 on 4.5 for 3500 lbs Axle - 22017K 1/2"-20 thread

Trailer Idler Hub Kits for 3500 lbs Axle

This 2-pack of trailer idler hub kits fits 3500 lbs axles with a 5 on 4.5 bolt pattern and 1/2"-20 threaded studs, referenced as 22017K, giving you two complete idler hub assemblies for a fresh bearing and spindle setup.

Overview

These trailer idler hub kits are built for 3500 lbs axles running a 5 on 4.5 bolt pattern, letting you mount wheels on a non-driven axle with fresh hubs and hardware. Each kit pairs the idler hub with the thread and bolt spacing needed to match common trailer spindle and wheel setups. They suit trailer owners, repair shops, and fabricators working on utility, boat, or cargo trailers.

Built For Performance

• 5 on 4.5 bolt pattern matches common 3500 lbs trailer wheel hubs
• 1/2"-20 threaded studs accept standard trailer lug nuts
• Rated for 3500 lbs axle applications
• Idler hub design mounts wheels on non-braked or free-rolling axle positions
• Sold as a 2-piece kit for pairing hubs across an axle

Fits These Machines

• for 3500 lbs trailer axles with a 5 on 4.5 bolt pattern
• for utility, cargo, and boat trailers running 3500 lbs idler axles

On-The-Job Use

• Replacing worn or damaged trailer idler hubs
• Building or refreshing a 3500 lbs trailer axle assembly
• Converting a driven axle position to a free-rolling idler setup
• Servicing utility, boat, and cargo trailers

Specs At A Glance

Good To Know

Q: Are bearings and seals included? A: This listing is for the idler hub kits as titled; check the kit contents against your bearing and seal requirements before ordering.

Q: Will these hubs fit any 3500 lbs axle? A: Fitment depends on the spindle size and bolt pattern, so confirm your axle spindle matches a 5 on 4.5 idler hub setup before purchase.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.