+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71908 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71908 ACD/HCP4A

The 71908 ACD/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 2632 lbf and spins smoothly at speeds up to 38,000 RPM.

Its 25° contact angle and phenolic cage ensure stable performance under angular loads, while the P4 tolerance class guarantees high precision. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is key.

Weighing just 0.1kg, it’s lightweight yet robust for its size. The open design allows for easy lubrication, ensuring long-lasting performance.

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

Product Parameters

  • Part Number 71908 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2632 lbf
  • Static Radial Load 1800 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 38000 rpm
  • Weight 0.1 kg
  • Price（$） 288.441
Super Precision Angular Contact Ball Bearings 71908 ACD/HCP4A dimension drawing
Download DWG Download PDF

Features

Performance Features of 71908 ACD/HCP4A Bearing

71908 ACD/HCP4A Bearing is designed with a 25° 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 38,000 rpm.
With a P4 tolerance class, it delivers consistent performance for precision machinery.

71908 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its dynamic radial load capacity of 2632 lbf makes it suitable for demanding industrial uses.

The open design allows for easy lubrication, maintaining optimal performance over time.
This bearing is interchangeable with SKF models, offering flexibility in replacements.

Application

Common Applications of 71908 ACD/HCP4A Bearing
71908 ACD/HCP4A Bearing is widely 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 rotation.

In robotics, 71908 ACD/HCP4A Bearing supports articulated arms, providing stability and durability in repetitive movements. Its phenolic cage offers lightweight strength, perfect for dynamic robotic systems.

For aerospace components, 71908 ACD/HCP4A Bearing handles radial and axial loads efficiently, thanks to its 25° contact angle. The P4 tolerance class ensures reliability in critical flight systems.

Where Is 71908 ACD/HCP4A Bearing Used?
You’ll often find 71908 ACD/HCP4A Bearing in dental drills, where its high-speed capability and precision are essential. The chrome steel rings provide long-lasting performance in demanding medical environments.

In 3D printers, 71908 ACD/HCP4A Bearing ensures smooth linear motion, crucial for detailed prints. Its open design allows for easy lubrication, maintaining consistent performance over time.

Built for Heavy-Duty Use: 71908 ACD/HCP4A Bearing
71908 ACD/HCP4A Bearing excels in industrial pumps, handling both radial and thrust loads with ease. The ceramic balls and phenolic cage combination reduces wear, extending service life.

For electric vehicle motors, 71908 ACD/HCP4A Bearing supports high RPMs while maintaining low noise levels. Its metric sizing makes it a versatile choice for various automotive applications.

Medical vs Industrial: Where 71908 ACD/HCP4A Bearing Excels
In medical imaging devices, 71908 ACD/HCP4A Bearing’s precision ensures accurate scans, while its industrial use in compressors highlights its durability. The temperature range suits both environments perfectly.

For automated packaging lines, 71908 ACD/HCP4A Bearing provides reliable performance in high-speed conveyors. Its lightweight design reduces energy consumption, making it an efficient choice.

Q&A

SEND INQUIRY