QJ 217 N2MA

Engineers dealing with applications that demand significant bidirectional axial load support within a tight footprint often rely on the QJ 217 N2MA to streamline their mechanical assemblies. Designed as a high-speed four-point contact ball bearing, this specific unit features an 85 mm bore, a 150 mm outside diameter, and a 28 mm width, allowing it to efficiently replace bulkier double-row alternatives while saving crucial axial space. A defining mechanical advantage of the QJ 217 N2MA is its pair of locating slots positioned on the outer ring, which actively lock the component in place to prevent unwanted rotational slip under severe stress. Paired with a rugged machined brass cage and a 35-degree contact angle, the bearing comfortably handles dynamic loads up to 156 kN at speeds reaching 7,500 r/min. Because the two-piece inner ring and the outer assembly can be mounted entirely separately, utilizing the QJ 217 N2MA drastically reduces installation friction and maintenance downtime in demanding industrial gearboxes, pumps, and rotary tables.

We provide sea and air freight services for large bearings, and international express shipping services for small bearings.

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