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Super Precision Angular Contact Ball Bearings 71913 ACBGA/HCP4A

Super Precision Angular Contact Ball Bearings 71913 ACBGA/HCP4A

The 71913 ACBGA/HCP4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 2239 lbf.

This bearing spins at speeds up to 36,000 RPM, thanks to its phenolic cage and lubricated design. The P4A tolerance class guarantees high accuracy, making it suitable for demanding applications.

With a compact width of 13mm and weighing just 0.19kg, it’s ideal for high-speed machinery like spindles or CNC tools. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Operating in temperatures from -30°C to 110°C, this model is interchangeable with SKF bearings, offering a reliable replacement option.

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Product Parameters

  • Part Number 71913 ACBGA/HCP4A
  • 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 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 32
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2239 lbf
  • Static Radial Load 1980 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.19 kg
Super Precision Angular Contact Ball Bearings 71913 ACBGA/HCP4A dimension drawing
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Features

Performance Features of 71913 ACBGA/HCP4A Bearing

71913 ACBGA/HCP4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls provide a balance of strength and smooth operation.

With a dynamic radial load capacity of 2239 lbf, it handles demanding tasks efficiently.
The phenolic cage ensures stability, even at high speeds up to 36,000 rpm.

Designed for extra light preload, 71913 ACBGA/HCP4A Bearing offers precise performance in various configurations.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem setups.

The open design and lubrication ensure minimal friction, extending the bearing’s service life.
Operating between -30°C to 110°C, it performs reliably in diverse temperature conditions.

Application

Key Fields for 71913 ACBGA/HCP4A Bearing
71913 ACBGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle ensures stable performance under combined radial and axial loads.

In robotics, 71913 ACBGA/HCP4A Bearing provides smooth motion control for precision arms and joints. Its P4A tolerance class makes it suitable for applications demanding tight rotational accuracy.

For aerospace components, 71913 ACBGA/HCP4A Bearing’s lightweight design and high-speed capability are ideal for actuators and control systems. The chrome steel rings offer durability in demanding environments.

Automotive testing equipment benefits from 71913 ACBGA/HCP4A Bearing’s ability to handle rapid direction changes. The extra light preload ensures minimal vibration during high-speed operations.

In dental drills, 71913 ACBGA/HCP4A Bearing’s ceramic balls provide quiet, efficient performance. The open design allows for easy lubrication, extending service life in medical settings.

Q&A

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