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
2022-10-23
