+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71904 CD/HCPA9A

Super Precision Angular Contact Ball Bearings 71904 CD/HCPA9A

The 71904 CD/HCPA9A is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, designed for high-speed applications. Its compact 9mm width makes it suitable for tight spaces, while the 15° contact angle ensures smooth operation under angular loads.

Made from chrome steel with ceramic balls, it handles dynamic radial loads up to 1361 lbf and spins at speeds up to 80,000 RPM. The phenolic cage provides durability and reduces friction, enhancing performance.

Preload is available for better stability, and its open design allows for easy lubrication. Ideal for precision machinery like spindles or dental equipment where accuracy and speed are crucial.

Weighing just 0.033kg, it’s lightweight yet robust. Compliant with PA9A tolerance class, it ensures reliable performance in temperatures from -30°C to 110°C.

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

Product Parameters

  • Part Number 71904 CD/HCPA9A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1361 lbf
  • Static Radial Load 720 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 80000 rpm
  • Weight 0.033 kg
Super Precision Angular Contact Ball Bearings 71904 CD/HCPA9A dimension drawing
Download DWG Download PDF

Features

Performance Features of 71904 CD/HCPA9A Bearing

71904 CD/HCPA9A Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision in high-speed applications.

The phenolic cage ensures smooth operation, even at speeds up to 80,000 rpm.
With a dynamic radial load capacity of 1361 lbf, it delivers reliable performance under stress.

71904 CD/HCPA9A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its open design allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 71904 CD/HCPA9A Bearing
71904 CD/HCPA9A Bearing is commonly used in high-speed machine spindles, where its 15° contact angle ensures smooth rotation under radial and axial loads. The ceramic balls reduce friction, making it suitable for precision applications like CNC machining.

What Makes 71904 CD/HCPA9A Bearing a Preferred Choice?
With its phenolic cage and chrome steel rings, 71904 CD/HCPA9A Bearing offers reliable performance in demanding environments such as aerospace components. The PA9A tolerance class ensures consistent accuracy for critical systems.

Perfect Fit for Automation: 71904 CD/HCPA9A Bearing
71904 CD/HCPA9A Bearing works well in robotic arms, providing the necessary precision and speed for repetitive tasks. Its lightweight design and high-speed capability make it ideal for automated production lines.

Medical vs Industrial: Where 71904 CD/HCPA9A Bearing Excels
In medical devices like dental drills, 71904 CD/HCPA9A Bearing’s ceramic balls ensure quiet and vibration-free operation. For industrial pumps, its robust construction handles continuous use without compromising performance.

Q&A

SEND INQUIRY