QA1 Spherical Bearing

QA1 Spherical Bearings are precision-built spherical rod end bearings, also called spherical plain bearings or heim joint bearings. They are made for suspension, steering, and linkage uses where the joint has to pivot and misalign smoothly while still handling heavy loads. QA1 Precision Products is a trusted name in racing and performance suspension, and this line is built to the same standard.

Key Features:

• Fractured race design for strong load capacity and durable, consistent performance
• 52100 steel construction for hardness and wear resistance
• Sealed design with double seals to keep out dirt and moisture and hold in lubrication
• MoS2 (molybdenum disulfide) lubrication to cut friction and help the bearing run smoothly
• Precision spherical ball that allows angular misalignment and rotation

These bearings are a good choice for control arms, trailing arms, link bars, and other chassis parts on street performance, off-road, and racing vehicles. Pick the bearing you need from the available variants on this page.