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Super Precision Angular Contact Ball Bearings 71911 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 71911 ACDGC/P4A

The 71911 ACDGC/P4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. Its compact 13mm width makes it suitable for space-conscious applications.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 4095 lbf dynamically. It spins smoothly at speeds up to 46,000 RPM, ideal for high-performance machinery.

The open design and phenolic cage ensure durability and easy maintenance. It operates reliably in temperatures from -30°C to 110°C, making it versatile for various environments.

This bearing is interchangeable with SKF models and comes in a set of three for universal matching. Perfect for precision equipment like spindles or CNC machines where accuracy is key. Weighing just 0.18kg, it balances lightweight design with robust performance.

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Product Parameters

  • Part Number 71911 ACDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • 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 4095 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.18 kg
Super Precision Angular Contact Ball Bearings 71911 ACDGC/P4A dimension drawing
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Features

Performance Features of 71911 ACDGC/P4A Bearing

71911 ACDGC/P4A Bearing is crafted with chrome steel rings and balls, offering excellent durability and precision.
Its 25° contact angle ensures optimal load distribution, making it suitable for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 4095 lbf, it handles demanding tasks with ease.

71911 ACDGC/P4A Bearing operates smoothly at speeds up to 46,000 rpm, balancing speed and reliability.
Its P4A tolerance class guarantees high precision, ideal for critical applications.

The open design allows for easy lubrication, ensuring consistent performance over time.
Its temperature range of -30°C to 110°C makes it versatile for various environments.

Application

Industrial Uses of 71911 ACDGC/P4A Bearing
71911 ACDGC/P4A Bearing is commonly used in high-speed machine tools, where its moderate preload and 25° contact angle ensure stable performance during precision machining. The open design and phenolic cage make it suitable for environments requiring minimal friction and heat generation.

In automotive applications, 71911 ACDGC/P4A Bearing supports components like electric motor shafts, offering reliable angular contact load handling. Its metric sizing and compatibility with SKF models make it a versatile choice for various vehicle designs.

For automation systems, 71911 ACDGC/P4A Bearing excels in robotic arms, where its high-speed capability and P4A tolerance class deliver consistent accuracy. The chrome steel construction ensures durability even in continuous operation scenarios.

Medical imaging devices benefit from 71911 ACDGC/P4A Bearing’s smooth rotation and low vibration, critical for clear scan results. The temperature range of -30°C to 110°C allows it to perform reliably in sterilisation processes.

In consumer electronics, 71911 ACDGC/P4A Bearing can be found in high-end printers, where its precision and speed contribute to sharp, consistent output. The lightweight design and lubricated operation reduce noise for quieter performance.

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