Super Precision Angular Contact Ball Bearings 71919 ACD/P4ADFD

Super Precision Angular Contact Ball Bearings 71919 ACD/P4ADFD

The 71919 ACD/P4ADFD is a super precision angular contact ball bearing, measuring 95mm by 130mm by 36mm. Made from high-quality chrome steel, it’s designed for heavy loads and high-speed operations.

With a 25° contact angle and heavy preload, it handles radial loads up to 17122 lbf and spins smoothly at 16000 RPM. The open design allows for easy lubrication, while the phenolic cage ensures durability.

This matched set of two bearings (DF arrangement) is ideal for precision applications like machine tool spindles or high-performance motors. It operates reliably in temperatures from -30°C to 110°C.

Weighing 1.16kg, it’s a robust choice for demanding industrial environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71919 ACD/P4ADFD
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 17122 lbf
  • Static Radial Load 23400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.16 kg

Features

Performance Features of 71919 ACD/P4ADFD Bearing

71919 ACD/P4ADFD Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 17122 lbf.

The matched arrangement of two bearings ensures stability, ideal for high-precision tasks.
With a maximum speed of 16,000 rpm, it delivers reliable performance in demanding conditions.

Phenolic cage material reduces friction, contributing to smooth operation.
Its P4A tolerance class guarantees precision, making it suitable for critical applications.

Application

Industrial Uses of 71919 ACD/P4ADFD Bearing
71919 ACD/P4ADFD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and P4A tolerance class make it suitable for applications demanding minimal deflection.

In robotics, 71919 ACD/P4ADFD Bearing supports articulated arms, providing smooth movement under combined radial and axial loads. Its phenolic cage reduces friction, enhancing efficiency in repetitive tasks.

For aerospace components, 71919 ACD/P4ADFD Bearing’s chrome steel construction handles high speeds and loads reliably. The matched DF arrangement improves stability in critical flight systems.

Automotive vs Aerospace: Applications of 71919 ACD/P4ADFD Bearing
In automotive transmissions, 71919 ACD/P4ADFD Bearing manages angular loads while maintaining quiet operation. Its lubricated design ensures longevity even under constant use.

Aerospace systems benefit from 71919 ACD/P4ADFD Bearing’s precision, particularly in landing gear mechanisms. The temperature range suits both ground and high-altitude conditions.

Built for Heavy-Duty Use: 71919 ACD/P4ADFD Bearing
71919 ACD/P4ADFD Bearing excels in industrial pumps, where its dynamic load capacity withstands continuous operation. The open seal allows for easy relubrication in harsh environments.

Medical imaging devices rely on 71919 ACD/P4ADFD Bearing for precise motion control. Its low vibration characteristics ensure clear, accurate scans.

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