618/1320-MA

The 618/1320-MA is a large-diameter, thin-section deep groove ball bearing designed for applications where space is a critical limitation. As part of the 618 series, its key characteristic is a remarkably small cross-section relative to its large 1320 mm bore diameter. This design allows for significant weight reduction and fits into compact housing arrangements without sacrificing performance. It is an ideal solution for machinery where saving space and minimizing mass are primary engineering goals, such as in advanced robotics, aerospace equipment, and specialized industrial machinery.

A distinguishing feature of the 618/1320-MA bearing is its solid machined brass cage (indicated by the "MA" suffix). This robust cage construction offers superior strength and stability compared to standard steel or polyamide cages, making it exceptionally well-suited for demanding operating conditions. The brass cage provides better guidance for the rolling elements, generates less friction, and is more resistant to high temperatures and vibrations. This results in enhanced operational reliability, reduced wear, and a longer service life, particularly in applications with high speeds or challenging environments.

While its primary function is to accommodate radial loads, the 618/1320-MA deep groove ball bearing is also capable of handling moderate axial loads in both directions. Its deep raceway grooves ensure the balls are securely held, providing versatility for various loading scenarios. This dual-load capability, combined with its thin-section profile, makes it a highly adaptable component for complex machinery. It is often employed in pivotal joints, large gearboxes, and rotary tables where both precision and load-bearing versatility are essential for smooth and efficient operation.

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