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Super Precision Angular Contact Ball Bearings 71940 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71940 CDGC/P4A

The 71940 CDGC/P4A is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 46800 lbf and operates smoothly at speeds up to 6300 RPM.

With a 15° contact angle and moderate preload, it offers excellent stability for angular contact applications. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for high-precision machinery like spindles or CNC equipment, where accuracy is crucial. It can be used in back-to-back, face-to-face, or tandem arrangements for versatile setups.

Weighing 6.1kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s a reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number 71940 CDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 280 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 38 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 46800 lbf
  • Static Radial Load 59625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 6.1 kg
Super Precision Angular Contact Ball Bearings 71940 CDGC/P4A dimension drawing
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Features

Performance Features of 71940 CDGC/P4A Bearing

71940 CDGC/P4A Bearing is crafted with chrome steel rings and balls, offering high precision and durability.

Its 15° contact angle ensures efficient handling of combined radial and axial loads in demanding applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a dynamic radial load capacity of 46,800 lbf, it delivers reliable performance under heavy loads.

How Does 71940 CDGC/P4A Bearing Ensure Precision?

71940 CDGC/P4A Bearing’s P4A tolerance class guarantees exceptional accuracy for high-precision machinery.

The open design allows for easy lubrication, ensuring consistent performance over time.

Its moderate preload (Class C) optimises stiffness and reduces vibration during operation.

With a maximum speed of 6,300 rpm, it balances speed and precision effectively.

Designed for Durability: 71940 CDGC/P4A Bearing

71940 CDGC/P4A Bearing’s chrome steel construction resists wear, extending its service life.

The 26-ball design distributes loads evenly, minimising stress on individual components.

It operates smoothly in temperatures ranging from -30°C to 110°C, adapting to various environments.

Weighing 6.1 kg, it maintains robustness without compromising on performance.

Application

Industrial Uses of 71940 CDGC/P4A Bearing
71940 CDGC/P4A Bearing is commonly used in high-precision machine tools, where its moderate preload and 15° contact angle ensure accurate spindle rotation. The open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

Where Is 71940 CDGC/P4A Bearing Used?
In aerospace applications, 71940 CDGC/P4A Bearing supports components like turbine shafts, thanks to its high dynamic radial load capacity. The P4A tolerance class ensures consistent performance even under demanding conditions.

Built for Heavy-Duty Use: 71940 CDGC/P4A Bearing
71940 CDGC/P4A Bearing excels in industrial gearboxes, where its chrome steel construction handles significant radial and angular loads. The lubricated design further enhances its longevity in continuous operation environments.

Automotive vs Aerospace: Applications of 71940 CDGC/P4A Bearing
In automotive systems, 71940 CDGC/P4A Bearing is ideal for high-performance transmissions, offering smooth operation under angular loads. For aerospace, its precision and reliability make it a trusted choice for critical flight components.

Perfect Fit for Automation: 71940 CDGC/P4A Bearing
71940 CDGC/P4A Bearing is well-suited for robotic arms, where its high-speed capability and moderate preload ensure precise movement. The universal matching feature allows for flexible configurations in automated systems.

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