+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71911 CD/HCP4ADBA

Super Precision Angular Contact Ball Bearings 71911 CD/HCP4ADBA

The 71911 CD/HCP4ADBA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 7020 lbf and spins smoothly at speeds up to 39,000 RPM.

Its open design and phenolic cage ensure low friction and long-lasting performance, even in temperatures from -30°C to 110°C. The extra light preload and 15° contact angle provide excellent stability for high-precision applications.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindle systems where accuracy is crucial. Weighing just 0.3kg, it’s lightweight yet robust for its size.

Interchangeable with SKF bearings, it offers a reliable solution for replacements or upgrades in demanding environments.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71911 CD/HCP4ADBA
  • 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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 7020 lbf
  • Static Radial Load 6525 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 39000 rpm
  • Weight 0.3 kg
Super Precision Angular Contact Ball Bearings 71911 CD/HCP4ADBA dimension drawing
Download DWG Download PDF

Features

Performance Features of 71911 CD/HCP4ADBA Bearing

71911 CD/HCP4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed capabilities up to 39,000 rpm.

The phenolic cage ensures smooth operation, even under high dynamic radial loads of 7020 lbf.
With an extra light preload, it maintains accuracy in matched bearing arrangements.

71911 CD/HCP4ADBA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

The P4A tolerance class guarantees high precision, making it suitable for demanding industrial uses.
Weighing just 0.3 kg, it balances durability with lightweight construction.

Application

Practical Applications of 71911 CD/HCP4ADBA Bearing
In high-speed machine tools, 71911 CD/HCP4ADBA Bearing excels with its ceramic balls and phenolic cage, reducing friction and heat buildup. The 15° contact angle ensures stable performance under combined radial and axial loads.

Automotive Uses of 71911 CD/HCP4ADBA Bearing
For precision automotive components like electric motor shafts, 71911 CD/HCP4ADBA Bearing offers reliable support with its extra-light preload. Its matched arrangement (DB) enhances alignment accuracy in compact spaces.

Why Is 71911 CD/HCP4ADBA Bearing Essential in Robotics?
In robotic arms, 71911 CD/HCP4ADBA Bearing’s P4A tolerance class ensures smooth, repeatable movements. The lubricated design minimises maintenance while handling rapid directional changes.

Medical vs Industrial: Where 71911 CD/HCP4ADBA Bearing Excels
In medical imaging devices, 71911 CD/HCP4ADBA Bearing’s ceramic balls prevent interference with sensitive electronics. Industrial spindles benefit from its 39,000 rpm capability and chrome steel rings.

Designed for Versatility: 71911 CD/HCP4ADBA Bearing
From 3D printers to aerospace actuators, 71911 CD/HCP4ADBA Bearing adapts well due to its universal matching design. The -30°C to 110°C range suits varied operating environments.

Q&A

SEND INQUIRY