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Super Precision Angular Contact Ball Bearings 71913 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71913 CD/HCP4A

The 71913 CD/HCP4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, designed for high-speed applications. It features a 15° contact angle and is made from durable chrome steel with ceramic balls for smooth operation.

This bearing handles radial loads up to 4680 lbf and spins at speeds up to 26,000 RPM, thanks to its phenolic cage and lubricated design. Its P4 tolerance class ensures exceptional accuracy for precision machinery.

The open seal type allows for easy maintenance, while the ceramic balls reduce friction and heat buildup. Ideal for use in CNC spindles or high-speed motors where precision and reliability are key.

Weighing just 0.17kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. A reliable choice for engineers needing high-performance bearings in demanding environments.

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Product Parameters

  • Part Number 71913 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 15°
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4680 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 26000 rpm
  • Weight 0.17 kg
  • Price（$） 551.34
Super Precision Angular Contact Ball Bearings 71913 CD/HCP4A dimension drawing
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Features

Performance Features of 71913 CD/HCP4A Bearing

71913 CD/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 4680 lbf, it excels in demanding applications.

71913 CD/HCP4A Bearing operates smoothly at speeds up to 26,000 rpm, thanks to its advanced design.
The P4 tolerance class ensures exceptional accuracy, making it ideal for precision machinery.

Its open seal type allows for easy lubrication, maintaining optimal performance over time.
The temperature range of -30° to 110°C ensures reliability in various operating conditions.

Application

Industrial Uses of 71913 CD/HCP4A Bearing
71913 CD/HCP4A Bearing is commonly used in high-speed machine spindles, where its angular contact design ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

What Makes 71913 CD/HCP4A Bearing a Preferred Choice?
In robotics, 71913 CD/HCP4A Bearing provides reliable performance in articulated arms, thanks to its phenolic cage and high-speed capabilities. Its P4 tolerance class ensures minimal vibration during operation.

Built for Heavy-Duty Use: 71913 CD/HCP4A Bearing
For automotive applications like electric motor shafts, 71913 CD/HCP4A Bearing offers durability under angular loads. The chrome steel rings and ceramic balls enhance its lifespan in demanding conditions.

Medical vs Industrial: Where 71913 CD/HCP4A Bearing Excels
In medical imaging devices, 71913 CD/HCP4A Bearing’s precision is crucial for accurate scans, while in industrial pumps, it handles high-speed rotations effortlessly. Its temperature range suits both environments.

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