Super Precision Angular Contact Ball Bearings 71913 ACE/HCP4AH1DBA

Super Precision Angular Contact Ball Bearings 71913 ACE/HCP4AH1DBA

The 71913 ACE/HCP4AH1DBA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5738 lbf and spins smoothly at high speeds up to 36,000 RPM.

Its 25° contact angle and extra light preload ensure precise performance, while the phenolic cage offers durability. The open design allows for easy lubrication, making maintenance straightforward.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. Its P4A tolerance class guarantees exceptional accuracy.

Weighing 0.34kg, it comes as a matched set of two bearings (DB arrangement), ensuring balanced performance. Suitable for temperatures from -30°C to 110°C.

Get A Free Quote

Product Parameters

  • Part Number 71913 ACE/HCP4AH1DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • 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 5738 lbf
  • Static Radial Load 5220 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.34 kg

Features

Performance Features of 71913 ACE/HCP4AH1DBA Bearing

71913 ACE/HCP4AH1DBA Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 36,000 rpm.
With a dynamic radial load capacity of 5738 lbf, it handles demanding tasks reliably.

71913 ACE/HCP4AH1DBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload design minimises vibration, improving performance in precision machinery.

The matched arrangement of two bearings provides balanced load distribution.
This design ensures stability and extends the service life of the bearing set.

Application

Key Fields for 71913 ACE/HCP4AH1DBA Bearing
71913 ACE/HCP4AH1DBA Bearing is widely used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, crucial for maintaining accuracy in CNC machining.

In robotics, 71913 ACE/HCP4AH1DBA Bearing supports articulated arms, offering smooth motion thanks to its 25° contact angle. The matched arrangement (DB) enhances stability, making it ideal for repetitive, high-precision tasks.

For aerospace applications, 71913 ACE/HCP4AH1DBA Bearing’s lightweight design and high-speed capability (up to 36,000 rpm) are key advantages. Its chrome steel rings provide durability under varying thermal conditions (-30°C to 110°C).

What Makes 71913 ACE/HCP4AH1DBA Bearing a Preferred Choice?
71913 ACE/HCP4AH1DBA Bearing excels in dental drill handpieces, where its low vibration and quiet operation improve patient comfort. The lubricated design ensures long service life even with frequent sterilisation.

In optical equipment like lens positioning systems, 71913 ACE/HCP4AH1DBA Bearing’s extra-light preload minimises backlash. This is critical for achieving sharp focus adjustments in microscopy or camera mechanisms.

Q&A

SEND INQUIRY