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Super Precision Angular Contact Ball Bearings 71919 CB/P4A

Super Precision Angular Contact Ball Bearings 71919 CB/P4A

The 71919 CB/P4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 4095 lbf and operates smoothly at speeds up to 20,000 RPM.

With a 15° contact angle and open design, it offers excellent performance for angular contact applications. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is available in matched arrangements and comes with preload options for precise installations. It works reliably in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. Weighing 0.61kg, it’s a robust yet lightweight choice for demanding applications. Compliant with P4 tolerance standards for superior performance.

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Product Parameters

  • Part Number 71919 CB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 38
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4095 lbf
  • Static Radial Load 4185 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 20000 rpm
  • Weight 0.61 kg
  • Price（$） 112.365
Super Precision Angular Contact Ball Bearings 71919 CB/P4A dimension drawing
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Features

Performance Features of 71919 CB/P4A Bearing

71919 CB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel construction ensures durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 4095 lbf, it handles demanding conditions reliably.

The P4 tolerance class guarantees high precision, making it suitable for critical applications.

Application

Key Fields for 71919 CB/P4A Bearing
71919 CB/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71919 CB/P4A Bearing provides smooth motion control for articulated arms and joints. Its 15° contact angle offers a good balance between radial and axial load capacity.

For aerospace applications, 71919 CB/P4A Bearing handles the demanding conditions of aircraft systems. The P4 tolerance class guarantees the precision needed for critical components.

Medical imaging devices benefit from 71919 CB/P4A Bearing’s reliability and low noise. The chrome steel construction ensures long service life even in continuous use.

Automotive testing equipment often relies on 71919 CB/P4A Bearing for its consistent performance. The matched arrangement option allows for custom configurations in specialized machinery.

Q&A

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