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Super Precision Angular Contact Ball Bearings 71813 CD/P2DBA

Super Precision Angular Contact Ball Bearings 71813 CD/P2DBA

The 71813 CD/P2DBA is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from durable chrome steel. Its compact 20mm width makes it suitable for tight spaces while maintaining high performance.

With a 15° contact angle and extra light preload, it handles radial loads up to 4972 lbf and spins smoothly at speeds up to 36,000 RPM. The phenolic cage ensures quiet operation and long service life.

This matched pair of bearings (DB arrangement) offers excellent stability for precision applications. Ideal for machine tools or high-speed spindles where accuracy is crucial.

Weighing just 0.25kg, it operates in temperatures from -30°C to 110°C. Compliant with P2 tolerance class for superior precision.

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Product Parameters

  • Part Number 71813 CD/P2DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P2
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4972 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.25 kg
Super Precision Angular Contact Ball Bearings 71813 CD/P2DBA dimension drawing
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Features

Performance Features of 71813 CD/P2DBA Bearing

71813 CD/P2DBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

The matched arrangement of two bearings provides extra light preload, improving precision in demanding setups.
With a maximum speed of 36,000 rpm, it balances performance and reliability effortlessly.

71813 CD/P2DBA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its dynamic radial load capacity of 4972 lbf makes it suitable for high-performance machinery.

Application

Industrial Uses of 71813 CD/P2DBA Bearing
The 71813 CD/P2DBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. Its phenolic cage offers smooth operation at high speeds, making it suitable for spindle applications.

In robotics, 71813 CD/P2DBA Bearing provides reliable performance in articulated arms, thanks to its extra-light preload and matched arrangement. The chrome steel construction ensures durability in repetitive motion scenarios.

For medical imaging devices, 71813 CD/P2DBA Bearing’s P2 tolerance class delivers the precision needed for stable rotation. Its open design allows for easy lubrication, extending service life in critical healthcare equipment.

Where Is 71813 CD/P2DBA Bearing Used?
You’ll often find 71813 CD/P2DBA Bearing in CNC machining centres, where its 15° contact angle handles combined loads efficiently. The high-speed capability (up to 36,000 rpm) makes it ideal for precision grinding operations.

In automotive testing equipment, 71813 CD/P2DBA Bearing supports accurate measurements due to its low friction and thermal stability. The matched bearing set ensures consistent performance in demanding test cycles.

Built for Heavy-Duty Use: 71813 CD/P2DBA Bearing
The 71813 CD/P2DBA Bearing excels in industrial pumps, where its chrome steel rings resist wear from continuous operation. The 29-ball design distributes loads evenly, reducing stress on individual components.

For aerospace applications, 71813 CD/P2DBA Bearing’s temperature range (-30°C to 110°C) makes it suitable for auxiliary power units. Its metric dimensions simplify integration with European aircraft systems.

Q&A

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