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Super Precision Angular Contact Ball Bearings 71911 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71911 CEGA/HCP4A

The 71911 CEGA/HCP4A 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 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 3510 lbf and spins at impressive speeds up to 34,000 RPM. Its phenolic cage ensures quiet performance, while the open design allows easy lubrication.

With a tolerance class of P4A, it offers high precision for demanding applications. The bearing works in temperatures from -30°C to 110°C and weighs just 0.14kg.

Ideal for high-speed machinery like spindles or robotics, it can be paired in back-to-back, face-to-face, or tandem arrangements. Compatible with SKF models for easy replacement.

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Product Parameters

  • Part Number 71911 CEGA/HCP4A
  • 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 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • 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 3510 lbf
  • Static Radial Load 2385 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.14 kg
Super Precision Angular Contact Ball Bearings 71911 CEGA/HCP4A dimension drawing
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Features

Performance Features of 71911 CEGA/HCP4A Bearing

71911 CEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.
Its 15° contact angle provides excellent radial and axial load support, ideal for precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 34,000 rpm, it delivers reliable performance in demanding environments.

71911 CEGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload ensures minimal resistance, making it suitable for high-precision machinery.

The open design allows for easy lubrication, extending the bearing’s service life.
Its P4A tolerance class guarantees consistent performance in critical applications.

Application

Key Fields for 71911 CEGA/HCP4A Bearing
71911 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design allows for efficient lubrication, extending service life in demanding conditions.

In robotics, 71911 CEGA/HCP4A Bearing ensures accurate movement in joints and arms, thanks to its angular contact design. The phenolic cage provides stability, even during rapid directional changes.

For medical imaging devices, 71911 CEGA/HCP4A Bearing’s P4A tolerance class guarantees consistent performance. Its ceramic balls also minimise heat generation, crucial for sensitive equipment.

Automotive applications like electric motor shafts benefit from 71911 CEGA/HCP4A Bearing’s light preload and high-speed capability. The chrome steel rings add durability under continuous use.

In aerospace systems, 71911 CEGA/HCP4A Bearing handles both radial and axial loads efficiently. Its universal matching feature simplifies installation in complex assemblies.

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