QJ 312 MA

When you're dealing with limited axial space but still need to manage heavy thrust loads from both directions, the QJ 312 MA is a solid component to consider. At its core, it's a four-point contact ball bearing that functions a lot like a double-row angular contact bearing but takes up way less room thanks to its compact 60mm bore, 130mm outside diameter, and 31mm width. A lot of mechanical engineers rely on the QJ 312 MA because it can comfortably handle high-speed operations right up to 9,000 RPM, and the machined brass cage adds some serious durability under stress. What really makes the QJ 312 MA easy to work with in the shop, though, is its separable two-piece inner ring, which makes mounting and maintenance much less of a headache than dealing with standard single-piece assemblies.

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

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