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Place of Origin: Shanghai China
Brand Name: Yingyu
Model Number:
Material: Bearing steel
Size: 20*70*70mm
ZPMC spherical washers are custom-designed for ZPMC (Zhenhua Heavy Industries) port equipment and heavy machinery. They are core components for equipment transmission systems, precision-manufactured using high-quality bearing steel and undergoing professional heat treatment to eliminate internal material defects and optimize structural strength. This ensures excellent wear resistance, pressure resistance, and self-aligning properties, allowing them to withstand heavy-duty compression and friction, effectively preventing deformation, wear, and loosening during use. The surface is precision-ground and treated with anti-corrosion agents, resulting in a smooth, tight fit that resists corrosion from the complex environments of ports, such as humidity, salt spray, and dust, extending service life and making them suitable for high-frequency, heavy-duty port operations.
As an original equipment manufacturer (OEM) accessory for ZPMC, this product’s core function is to achieve precise positioning of bearings and equipment components, buffer and reduce pressure, assist in adjusting equipment installation deviations, compensate for shaft misalignment, reduce wear on bearings and related components, and lower equipment operating vibration. It is widely used in port cranes, heavy machinery transmission parts, and bearing components, making it an indispensable core component in port equipment systems. Utilizing an integrated precision molding process, it boasts accurate dimensions, fits perfectly to the equipment installation position, and is easy to install without additional modifications. It is compatible with various ZPMC port equipment and heavy machinery, meeting the demands of high-frequency, high-load operations, while also providing excellent sealing and improving equipment transmission stability.
Place of Origin: Shanghai China
Brand Name: Yingyu
Model Number:
Material: Bearing steel
Size: 20*70*70mm
Color: Metallic color
Face Material Composition: No
Weight: 0.4kg
Product Name: Spherical Washer
ZPMC spherical washers are core components in the transmission systems of port equipment and heavy machinery. They directly affect the stability of equipment transmission, component lifespan, and operational efficiency, and are crucial to the safety and continuity of port operations. With their superior materials, precision manufacturing processes, and reliable performance, they have become the preferred accessory for port engineering machinery operators. We specialize in the research and development and production of port engineering machinery parts. Our products are compatible with the entire range of ZPMC port equipment and heavy machinery, and their quality is completely identical to original parts. They can be directly replaced, contributing to efficient and safe port operations.

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