Heavy-Duty Swing Out Hinge Kit – CNC Machined with Uniball Design
Build your own swing-out tire carrier or rear bumper system with our complete swing out hinge kit, engineered for strength, smooth operation, and long-lasting reliability. Unlike cheap trailer bearing kits, our design uses COM16 uniballs and O-ring sealing to deliver low-maintenance performance built to handle real off-road abuse.
Complete Kit Includes
- (1) CNC-machined steel hinge barrel
- (2) Aluminum misalign spacers
- (2) COM16 uniballs
- (2) O-rings
- (1) Set of ¾” Grade 8 hardware
Rebuild Kit Includes
- (2) COM16 uniballs
- (2) O-rings
Technical Specs
- Overall height: ~4.5”
- Outside diameter: 2.25”
- Low-maintenance design with sealed uniballs and O-ring protection
Why Our Hinge Kit?
- Uniball-Based Design – Stronger and smoother than trailer bearing alternatives.
- Weather Sealed – O-rings are sandwiched between the steel housing and aluminum spacers, keeping out water, dirt, and grime.
- Smooth Operation – A light coat of grease along the O-rings ensures quiet, reliable movement over time.
- DIY Friendly – Perfect for fabricators building custom swing-out bumpers or carriers.
This hinge kit is the ultimate solution for swing-out bumper builds, giving you strength, durability, and maintenance-free performance where it matters most.