QJ 324 N2MA/C3

QJ 324 N2MA/C3 – Four-point bearing for compact axial guidance in confined spaces

Quality that safeguards processes
The single-row four-point contact bearing accommodates axial loads in both directions and can carry limited radial forces, thus replacing a bearing pair in many applications and saving axial installation space. This design enables defined axial guidance and smooth, uniform running, ensuring consistent results under varying operating conditions.

Design and manufacturing quality
Gothic-arch raceways create four contact points under axial load, distributing forces over a large contact zone. The design also features a groove and two recesses (N2) for axial retention, simplifying assembly and ensuring reliable function. The split inner ring allows for a high ball count and facilitates handling, while precise cage guidance and finely machined raceways reduce friction and heat generation. However, angular adjustability is limited, necessitating precise alignment.

Convincing in everyday life
In practice, this design ensures secure axial positioning on both sides and stable temperature and vibration levels, enabling compact, space-saving designs. However, for higher pure radial loads, other bearing designs are more suitable, or a combined bearing concept is chosen.

Summary
It is compact, axially load-bearing in both directions and runs smoothly, ensuring stable processes and reliable results in continuous operation.