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30240 Tapered Roller Bearing


  • Dimensions: 200mm (d) x 360mm (D) x 64mm (T)
  • Massive line-contact geometry engineered for continuous heavy ore tumbling.
  • Deep-hardened steel core absorbs extreme torsional shock loads.
  • Built strictly to maximize facility uptime in remote mining operations.

Copper and gold ore processing requires semi-autogenous (SAG) grinding mills that tumble hundreds of tons of rock continuously. The 200mm bore 30240 bearing provides rigid stabilization for the high-torque pinion shafts driving these giant milling drums. Forged from premium-grade impact steel, it effectively neutralizes the brutal, non-stop shock loads generated by cascading rock masses inside the mill, ensuring steady gear mesh and preventing catastrophic drivetrain shutdowns.

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Linqing Xinshengdi Bearing Co., Ltd.