BT40 120MM MILLING SPINDLE

BT40 120MM MILLING SPINDLE

Technical Specifications
Model:MTMSBT40120
Code:BT-40
Speed:8000 RPM (410 mm)
Duty:120H6
Bearing: 7012 P4 7010 P4
Bearing Config: 4 + 2 Set
Interface:165 mm
Lube:Greased Packed
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The BT40 120MM Milling Spindle is a heavy-duty, precision-engineered component optimized for high-performance vertical milling machines (VMC). Featuring a robust 120H6 locating diameter and a total length of 410mm, this spindle provides the rigidity and stability necessary for demanding metal-cutting operations. It utilizes a high-spec 4+2 bearing configuration, incorporating 7012 P4 front bearings and 7010 P4 rear bearings for maximum rotational accuracy. The grease-packed lubrication system ensures a long service life with minimal maintenance, while its compatibility with BT40 tooling allows for versatile application across modern CNC systems.

  • Standard BT40 Nose Taper for precise tool holding
  • High-speed operation up to 8000 RPM
  • Precision 120H6 Locating Diameter
  • P4 Grade high-precision front (7012) and rear (7010) bearings
  • Robust 410mm total length for machining stability
  • Grease-packed lubrication for vertical mounting versatility


Technical Specifications
Model:MTMSBT40120
Code:BT-40
Speed: 8000 RPM (410 mm)
Duty:120H6
Bearing: 7012 P4 7010 P4
Bearing Config: 4 + 2 Set
Interface: 165 mm
Lube:Greased Packed

Industry Applications

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Vertical Milling Centers (VMC)

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CNC Machining Centers

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High-Precision Metal Milling

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Heavy-Duty Machining Applications

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Custom Machine Building and Retrofitting