QJ 317 N2MA

The QJ 317 N2MA Four-Point Contact Ball Bearing is a high-performance, agile solution expertly engineered to manage substantial axial loads in both directions while simultaneously accommodating moderate radial forces. This specialized bearing, a product from leading manufacturers, draws its unique strength from an internal geometry where the balls make contact at four distinct points on the raceways. This clever design often allows a single QJ series bearing to effectively replace a pair of angular contact ball bearings, optimizing space and simplifying assembly.

With an 85mm bore diameter, 180mm outer diameter, and a 41mm width, the QJ 317 N2MA offers a robust yet space-efficient design. The "N2" suffix may indicate specific rib configurations, while "MA" reliably points to a machined brass cage (outer ring guided), which enhances durability, reduces friction, and ensures stable performance, especially in demanding environments or at higher rotational speeds. Its separable components also streamline mounting and dismounting, simplifying maintenance. Primarily employed in applications requiring precise shaft guidance and dependable bidirectional axial support, such as industrial gearboxes, electric motors, cranes, pumps, and specific machine tool setups, the QJ 317 N2MA Four-Point Contact Ball Bearing delivers exceptional operational stability and extends the longevity and efficiency of critical machinery.

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