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Super Precision Angular Contact Ball Bearings 71911 FE/HCPA9ADGA

Super Precision Angular Contact Ball Bearings 71911 FE/HCPA9ADGA

The 71911 FE/HCPA9ADGA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from chrome steel for durability. It features a 18° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 5648 lbf and spins at speeds up to 34,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability and reduces friction.

Designed for universal matching, it can be arranged back-to-back, face-to-face, or tandem. The extra light preload (Class A) enhances precision in demanding setups.

Ideal for machine tools or high-speed spindles, it operates in temperatures from -30°C to 110°C. Weighing 0.29kg, it’s lightweight yet robust. Compliant with PA9A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71911 FE/HCPA9ADGA
  • 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 21
  • Contact Angle 18°
  • Tolerance Class PA9A
  • 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 5648 lbf
  • Static Radial Load 4680 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.29 kg
Super Precision Angular Contact Ball Bearings 71911 FE/HCPA9ADGA dimension drawing
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Features

Performance Features of 71911 FE/HCPA9ADGA Bearing

71911 FE/HCPA9ADGA Bearing is designed with a 18° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure smooth operation at high speeds, up to 34,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With universal matching capability, it offers flexibility in back-to-back, face-to-face, or tandem arrangements.

71911 FE/HCPA9ADGA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload ensures precision performance in demanding applications.

The dynamic radial load capacity of 5648 lbf makes it suitable for high-performance machinery.
Lubrication is pre-applied, simplifying installation and reducing initial maintenance needs.

Application

Where Is 71911 FE/HCPA9ADGA Bearing Used?
71911 FE/HCPA9ADGA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

In robotics, 71911 FE/HCPA9ADGA Bearing supports articulated arms, providing stability during repetitive movements. Its phenolic cage offers durability while maintaining low weight for efficient operation.

For medical imaging devices, 71911 FE/HCPA9ADGA Bearing’s extra light preload enhances precision in delicate adjustments. The universal matching feature allows flexible installation in compact spaces.

Automotive testing equipment benefits from 71911 FE/HCPA9ADGA Bearing’s high-speed capability and reliable load handling. The chrome steel rings ensure long service life even under continuous use.

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