TUNNEL BORING MACHINE MAIN DRIVE UNIT

TUNNEL BORING MACHINE MAIN DRIVE UNIT

MAINBEARINGS: SPHERICAL ROLLER BEARINGS

• Spherical roller bearings for tunnel boring machine main drive unit 

• Bearings engineered to withstand heavy radial loads, moderate/high torque and variable thrust forces 

• Up to 420 mm outer diameter 

• Design life (L10h) ≥ 15000 h

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2022-10-23