+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71905 ACE/P4A

Super Precision Angular Contact Ball Bearings 71905 ACE/P4A

The 71905 ACE/P4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 1141 lbf and operates smoothly at speeds up to 68,000 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring long-lasting performance in temperatures from -30°C to 110°C.

This bearing is ideal for high-precision applications like machine tools or spindles where accuracy is crucial. Its P4 tolerance class (ABEC-7) ensures reliable performance in demanding conditions.

Weighing just 0.04kg, it’s lightweight yet robust, making it a practical choice for precision engineering needs. Compatible with SKF bearings for easy replacement.

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

Product Parameters

  • Part Number 71905 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 16
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1141 lbf
  • Static Radial Load 596 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 68000 rpm
  • Weight 0.04 kg
  • Price（$） 162.432
Super Precision Angular Contact Ball Bearings 71905 ACE/P4A dimension drawing
Download DWG Download PDF

Features

Why Choose 71905 ACE/P4A Bearing for Precision Tasks?

71905 ACE/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and smooth operation even at high speeds up to 68,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a P4 tolerance class, it meets strict accuracy standards for demanding applications.

71905 ACE/P4A Bearing operates efficiently in temperatures from -30° to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 71905 ACE/P4A Bearing
The 71905 ACE/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. Its open structure and phenolic cage make it suitable for applications requiring minimal friction.

Where Is 71905 ACE/P4A Bearing Used?
You’ll find 71905 ACE/P4A Bearing in automotive transmissions, where its 25° contact angle handles combined loads effectively. The P4 tolerance class ensures smooth operation even at high rotational speeds.

Built for Heavy-Duty Use: 71905 ACE/P4A Bearing
71905 ACE/P4A Bearing excels in robotics, particularly in robotic arms requiring precise movement. Its chrome steel construction provides durability, while the lubricated design reduces maintenance needs.

Automotive vs Aerospace: Applications of 71905 ACE/P4A Bearing
In automotive systems, 71905 ACE/P4A Bearing supports gearbox components, while in aerospace, it’s used in instrumentation due to its high-speed capabilities. The metric sizing ensures compatibility across industries.

Perfect Fit for Automation: 71905 ACE/P4A Bearing
71905 ACE/P4A Bearing is ideal for automated production lines, where its low friction and high-speed performance enhance efficiency. The phenolic cage also reduces vibration, ensuring quieter operation.

Q&A

SEND INQUIRY