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Super Precision Angular Contact Ball Bearings S71913 ACE/HCP4ADBA

Super Precision Angular Contact Ball Bearings S71913 ACE/HCP4ADBA

The S71913 ACE/HCP4ADBA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 5738 lbf.

This sealed unit comes pre-greased and can handle speeds up to 31,000 RPM, making it ideal for high-performance applications. The phenolic cage provides stability, while the extra light preload ensures minimal friction.

Designed as a matched pair (DB arrangement), it offers precise alignment for demanding setups. Suitable for use in spindle drives or precision machinery where accuracy is key.

With a temperature range of -30°C to 110°C and P4A tolerance class, this 0.34kg bearing delivers reliable performance in challenging conditions. Interchangeable with SKF equivalents for easy replacement.

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Product Parameters

  • Part Number S71913 ACE/HCP4ADBA
  • 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 Sealed
  • 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 Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.34 kg
Super Precision Angular Contact Ball Bearings S71913 ACE/HCP4ADBA dimension drawing
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Features

Why Choose S71913 ACE/HCP4ADBA Bearing for Precision Tasks?

S71913 ACE/HCP4ADBA Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its ceramic balls and chrome steel rings ensure smooth operation even at high speeds up to 31,000 rpm.
The sealed design and phenolic cage provide excellent durability and reduce the need for frequent maintenance.
With a P4A tolerance class, it delivers consistent performance in demanding applications.

Application

Ideal for Precision: S71913 ACE/HCP4ADBA Bearing
S71913 ACE/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71913 ACE/HCP4ADBA Bearing provides smooth motion control for articulated arms, thanks to its ceramic balls and phenolic cage. The extra light preload also minimises friction during precise positioning tasks.

For medical imaging devices like CT scanners, S71913 ACE/HCP4ADBA Bearing’s P4A tolerance class maintains consistent performance under radial loads. The matched bearing arrangement further enhances stability in critical healthcare applications.

Automotive testing equipment benefits from S71913 ACE/HCP4ADBA Bearing’s ability to handle both radial and axial forces simultaneously. Its temperature range makes it suitable for various environmental test conditions.

In optical instrument manufacturing, S71913 ACE/HCP4ADBA Bearing’s low vibration characteristics help maintain alignment accuracy. The grease lubrication ensures quiet operation for sensitive measurement devices.

Q&A

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