Description
Maintain rock-solid wheel stability and eliminate high-speed vibration on your commercial auto transporter with this premium outer wheel bearing cup.
The Traction Part Number 28622 (interchanging with Dexter factory code 031-021-01) is a precision-machined tapered roller bearing cup (race) engineered for heavy-duty commercial utility trailer hubs. Installed as the outer mating surface inside the hub snout, this hardened steel ring provides a perfectly smooth, low-friction track for the outer bearing rollers. Its precise taper angle is optimized to absorb intense lateral forces and radial loads, protecting your axle spindles from uneven wear and ensuring true wheel tracking under maximum towing payloads.
Fleet Application:
Sun Country Trailers: This outer bearing race is the exact factory-spec component pressed into the outer hub position on Sun Country multi-car carriers and low-profile transport trailers running high-capacity axles.
Technical Specifications & Fitment:
Industry Part Number: 28622 (Cup / Race)
Outer Diameter (OD): 3.8430 Inches
Axle Position: Outer Hub Assembly
Axle Weight Capacities: Engineered for 12,000 lbs. to 15,000 lbs. heavy-duty commercial trailer axles.
Hub Compatibility: Designed to press-fit seamlessly into industry-standard low-profile 9281X commercial brake drums and heavy-capacity Dexter hub castings.
Performance Features:
Case-Hardened Alloy Steel: Forged from high-grade structural steel to combat surface fatigue, metal pitting, and distortion under extreme long-haul stress.
Micro-Finish Precision Track: Features a flawless polished surface finish that promotes uninterrupted lubrication coverage, drastically lowering operating temperatures at the wheel end.
Perfect Companion Fit: Engineered to mate seamlessly with the matching 28682 outer bearing cone to form a complete, high-capacity outer wheel bearing assembly.