Kato 5ton Mobile Crane Slew Ring Bearing

Each zz slewing bearing is made from high-strength 42CrMo or 50Mn alloy steel, using advanced forging, heat treatment, and precision machining technology. This ensures excellent wear resistance, high hardness, and stable performance under heavy load and high torque conditions.

Tadano Super Z500 Truck Crane Slew Bearing

The Tadano TC75M slewing ring supports axial, radial, and overturning moment loads simultaneously, providing reliable rotation for the crane’s superstructure. It’s available in both internal and external gear configurations, depending on customer requirements.

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Tadano Tc70m Mobile Crane (truck Crane) Slew Bearing

zz Slewing Bearing produces custom replacement slew bearings for Tadano cranes, offering both external and internal gear designs to meet different mechanical configurations. Made from premium 42CrMo or 50Mn alloy steel, each bearing is processed through advanced forging, heat treatment, and CNC machining for high precision, hardness, and wear resistance.

Aichi F303 Mobile Crane (truck Crane) Slew Bearing

Every Tadano TS75M slewing bearing undergoes strict quality inspection — including dimensional accuracy, gear precision, and raceway hardness — to ensure excellent performance even under heavy axial and radial loads. The optimized raceway design allows stable operation and minimal vibration during crane rotation.

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Tadano Ts75m Mobile Crane (truck Crane) Slew Bearing

zz Slewing Bearing manufactures custom replacement slew bearings for Tadano mobile cranes, available in both external and internal gear configurations. Each bearing is crafted from premium 42CrMo or 50Mn alloy steel, undergoing advanced forging, quenching, and precision machining to achieve high hardness, wear resistance, and long service life.

Tadano Super Z500 Truck Crane Slew Bearing

Before shipment, every Tadano TC70M slewing ring is strictly tested for gear accuracy, raceway smoothness, and hardness to ensure safety and stability in demanding job sites. The bearing’s structure is optimized to handle large axial and radial loads as well as overturning moments, making it ideal for the rotation system of Tadano truck cranes.

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Aichi F507 Mobile Crane (truck Crane) Slew Ring Bearing

zz Slewing Bearing offers custom replacement slew bearings for Tadano mobile cranes, with both external and internal gear types available. Each bearing is made of premium 42CrMo or 50Mn alloy steel, processed through advanced forging, heat treatment, and precision machining to achieve outstanding hardness, wear resistance, and long service life.

Before delivery, every Tadano TS70M slewing ring undergoes comprehensive testing for raceway hardness, gear accuracy, and dimensional precision to ensure safety and stability during heavy lifting and rotation operations. This bearing is capable of handling large axial and radial loads, as well as high overturning moments, which makes it ideal for mobile crane rotation systems.

Tadano Ts75m Mobile Crane (truck Crane) Slew Bearing

zz also provides customized sealing solutions for harsh environments such as construction sites and coastal areas, as well as pre-lubricated versions for faster installation and minimal maintenance.

With years of manufacturing experience and strict ISO 9001 quality management, zz Slewing Bearing has earned a strong reputation as a trusted supplier for construction machinery manufacturers worldwide. Our products are widely applied in truck cranes, port cranes, wind turbines, and excavators, providing long-term reliability and cost efficiency.

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