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Super Precision Angular Contact Ball Bearings 71911 ACD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71911 ACD/HCP4ADGA

The 71911 ACD/HCP4ADGA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is lubricated for smooth operation.

With a dynamic radial load capacity of 6660 lbf, it spins efficiently at speeds up to 34,000 RPM. The ceramic balls and phenolic cage enhance durability and reduce friction.

This bearing comes in a matched set of two, suitable for universal matching arrangements like back-to-back or face-to-face. Its extra light preload ensures precise performance.

Ideal for high-speed applications such as machine tool spindles or precision instruments. Compliant with P4A tolerance class for exceptional accuracy. Weighing just 0.3kg, it balances strength and lightness.

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Product Parameters

  • Part Number 71911 ACD/HCP4ADGA
  • 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 26 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 6660 lbf
  • Static Radial Load 6188 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.3 kg
Super Precision Angular Contact Ball Bearings 71911 ACD/HCP4ADGA dimension drawing
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Features

Performance Features of 71911 ACD/HCP4ADGA Bearing

71911 ACD/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle and universal matching design allow for versatile mounting options in various configurations.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 6660 lbf, it handles demanding applications effortlessly.

71911 ACD/HCP4ADGA Bearing operates smoothly at speeds up to 34,000 rpm, thanks to its extra light preload.
Its temperature range of -30°C to 110°C ensures reliability in diverse environments.

The open seal design and lubrication ensure minimal maintenance while maximising efficiency.
This bearing is ideal for applications requiring super precision and long service life.

Application

Industrial Uses of 71911 ACD/HCP4ADGA Bearing
71911 ACD/HCP4ADGA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.

In automotive systems, 71911 ACD/HCP4ADGA Bearing supports components like turbochargers and gearboxes, thanks to its ability to handle both radial and axial loads. The universal matching feature allows for flexible installation in various configurations.

For robotics, 71911 ACD/HCP4ADGA Bearing’s lightweight phenolic cage and high-speed capability make it a reliable choice for robotic arms. Its P4A tolerance class ensures consistent performance in demanding automation tasks.

Medical equipment benefits from 71911 ACD/HCP4ADGA Bearing’s low friction and high precision, particularly in imaging devices. The chrome steel rings provide durability, while the ceramic balls enhance longevity in continuous-use scenarios.

In aerospace applications, 71911 ACD/HCP4ADGA Bearing’s ability to withstand high speeds and loads makes it suitable for flight control systems. The extra light preload ensures minimal resistance, crucial for precision movements.

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