The SKF BTW40 CTN9/SP is a super-precision double-direction angular contact thrust ball bearing designed for spindle applications. It provides high axial load capacity in both directions and ensures maximum rigidity and accuracy, making it ideal for high-speed machine tool spindles.

Product Overview

• Model: BTW40 CTN9/SP
• Type: Double-direction angular contact thrust ball bearing
• Manufacturer: SKF
• Application: Locates spindle shafts axially in both directions, typically used in combination with cylindrical roller bearings.

Key Specifications

• Inner Diameter (ID): 40 mm
• Outer Diameter (OD): 68 mm
• Width: 36 mm
• Weight: 420 g
• Design: Two single-row angular contact thrust ball bearings arranged back-to-back.
• Ball Options: Available with steel or ceramic balls.
• Load Capacity: High axial loads in both directions.
• Rigidity: Large number of balls provides maximum system rigidity.
• Speed Capability: Engineered for high-speed applications with exceptional accuracy and stability.