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Super Precision Angular Contact Ball Bearings 71913 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71913 ACEGA/HCP4A

The 71913 ACEGA/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 angular loads.

This bearing handles dynamic radial loads up to 3510 lbf and spins at speeds up to 36,000 RPM, making it suitable for high-performance applications. The phenolic cage adds stability while keeping weight low at just 0.17kg.

With an extra light preload (Class A) and P4A tolerance, it offers precise movement in demanding setups. It works in temperatures from -30°C to 110°C and comes pre-lubricated for easy use.

Ideal for machine tools or high-speed spindles, this bearing can be paired in back-to-back, face-to-face, or tandem arrangements. It’s interchangeable with SKF models, simplifying replacements.

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Product Parameters

  • Part Number 71913 ACEGA/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 7.938 mm
  • Ball Qty 24
  • 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 3510 lbf
  • Static Radial Load 2610 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.17 kg
  • Price（$） 224.154
Super Precision Angular Contact Ball Bearings 71913 ACEGA/HCP4A dimension drawing
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Features

Performance Features of 71913 ACEGA/HCP4A Bearing

71913 ACEGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision in high-speed operations.

The phenolic cage ensures smooth performance, even at maximum speeds of 36,000 rpm.
With a dynamic radial load capacity of 3510 lbf, it handles demanding conditions reliably.

71913 ACEGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload design minimises vibration, making it ideal for precision machinery.

The open seal type allows for easy lubrication, maintaining consistent performance.
Its universal matching capability supports various configurations, including back-to-back and face-to-face arrangements.

Application

Super Precision Angular Contact Ball Bearings 71913 ACEGA/HCP4A excel in high-speed machine tool spindles, where their 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making them ideal for precision machining applications.

In robotics, 71913 ACEGA/HCP4A supports articulated arms and joints, providing smooth movement under varying loads. Its phenolic cage offers lightweight durability, essential for repetitive motions in automated systems.

For aerospace components, 71913 ACEGA/HCP4A’s P4A tolerance class guarantees reliability in navigation systems and actuators. The open design allows for easy lubrication, maintaining performance in extreme temperature conditions.

Medical imaging devices benefit from 71913 ACEGA/HCP4A’s low vibration and high-speed capabilities, ensuring clear, stable operation. The chrome steel rings and ceramic balls combine for long-lasting performance in critical healthcare equipment.

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