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Super Precision Angular Contact Ball Bearings 71913 CB/P4A

Super Precision Angular Contact Ball Bearings 71913 CB/P4A

The 71913 CB/P4A is a super precision angular contact ball bearing, measuring 65mm by 90mm by 13mm, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular loads, handling up to 2385 lbf dynamically.

With a maximum speed of 30,000 RPM, this bearing operates smoothly even at high speeds. Its open design and phenolic cage ensure durability and easy maintenance, suitable for temperatures from -30°C to 110°C.

The P4 tolerance class (ABEC-7) guarantees exceptional precision, making it ideal for applications like machine tools or high-speed spindles. It’s interchangeable with SKF bearings, offering a reliable replacement option.

Weighing just 0.21kg, it’s lightweight yet robust, perfect for precision engineering where accuracy and performance are key. Lubrication is included for immediate use.

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Product Parameters

  • Part Number 71913 CB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 32
  • 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 2385 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 30000 rpm
  • Weight 0.21 kg
  • Price（$） 551.169
Super Precision Angular Contact Ball Bearings 71913 CB/P4A dimension drawing
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Features

Why Choose 71913 CB/P4A Bearing for Precision Tasks?

71913 CB/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and smooth operation under dynamic radial loads up to 2385 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed rotation.
With a maximum speed of 30,000 rpm, it delivers reliable performance in demanding conditions.

71913 CB/P4A Bearing’s P4 tolerance class guarantees exceptional accuracy for precision machinery.
Its open design allows for easy lubrication, extending service life and reducing maintenance needs.

Application

Where Is 71913 CB/P4A Bearing Used?
71913 CB/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

In automotive applications, 71913 CB/P4A Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads efficiently. Its P4 tolerance class guarantees consistent performance in demanding conditions.

For automation systems, 71913 CB/P4A Bearing is ideal for robotic arms and CNC machines, offering smooth movement and low heat generation. The open design allows for easy lubrication, extending service life.

In medical imaging devices, 71913 CB/P4A Bearing’s chrome steel construction ensures reliability and minimal vibration. Its high-speed capability makes it a dependable choice for sensitive equipment.

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