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Super Precision Angular Contact Ball Bearings 71913 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 71913 ACDGC/P4A

The 71913 ACDGC/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, designed for high-speed applications. It features a 25° contact angle and is made from durable chrome steel for long-lasting performance.

This bearing handles radial loads up to 4388 lbf and spins smoothly at speeds up to 36,000 RPM. Its phenolic cage ensures quiet operation and stability, even under moderate preload conditions.

The open design allows for easy lubrication, while the P4A tolerance class ensures precise alignment. It works well in temperatures from -30°C to 110°C.

Ideal for machine tools or high-precision spindles, this bearing can be arranged back-to-back, face-to-face, or tandem. Weighing just 0.21kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71913 ACDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 25°
  • 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 4388 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.21 kg
Super Precision Angular Contact Ball Bearings 71913 ACDGC/P4A dimension drawing
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Features

Performance Features of 71913 ACDGC/P4A Bearing

71913 ACDGC/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.
With a dynamic radial load capacity of 4388 lbf, it handles demanding conditions reliably.
The P4A tolerance class guarantees high precision, making it suitable for critical tasks.

How Does 71913 ACDGC/P4A Bearing Achieve High-Speed Performance?

71913 ACDGC/P4A Bearing supports speeds up to 36,000 rpm, thanks to its precision-engineered design.
The phenolic cage minimises weight and friction, enhancing efficiency at high speeds.
Its chrome steel construction ensures stability, even under significant radial loads.
The open seal type allows for effective lubrication, further boosting performance.

Built for Reliability: 71913 ACDGC/P4A Bearing

71913 ACDGC/P4A Bearing’s chrome steel components resist wear, ensuring long-term reliability.
Its moderate preload (Class C) provides balanced stiffness and smooth operation.
The bearing operates efficiently in temperatures ranging from -30°C to 110°C.
With 26 high-quality balls, it delivers consistent performance in precision applications.

Steel vs Ceramic Bearings: Strengths of 71913 ACDGC/P4A Bearing

71913 ACDGC/P4A Bearing uses chrome steel for its rings and balls, offering a cost-effective yet durable solution.
The material choice ensures high load capacity and resistance to wear.
Its phenolic cage complements the steel construction by reducing friction.
This combination makes it a reliable choice for high-precision, high-speed applications.

Application

Common Applications of 71913 ACDGC/P4A Bearing
71913 ACDGC/P4A Bearing is widely used in high-speed machine tools, where its precision and moderate preload ensure smooth operation. The angular contact design makes it suitable for handling both radial and axial loads efficiently.

In robotics, 71913 ACDGC/P4A Bearing supports articulated arms, providing the necessary stability for precise movements. Its phenolic cage reduces friction, enhancing performance in automated systems.

For aerospace applications, 71913 ACDGC/P4A Bearing’s chrome steel construction offers durability in components like landing gear systems. The P4A tolerance class ensures reliability under demanding conditions.

Medical imaging devices benefit from 71913 ACDGC/P4A Bearing’s low friction and high-speed capabilities. Its open design allows for easy lubrication, maintaining performance in critical environments.

Q&A

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