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Super Precision Angular Contact Ball Bearings 71913 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71913 CD/P4ADBB

The 71913 CD/P4ADBB is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 7470 lbf and operates smoothly at speeds up to 31,000 RPM.

Its 15° contact angle and matched DB arrangement (2 bearings) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

Preloaded for light use, this bearing is ideal for high-precision applications like machine tool spindles or robotics. It works reliably in temperatures from -30°C to 110°C.

Weighing 0.42kg, it’s a robust yet manageable component. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71913 CD/P4ADBB
  • 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 26
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7470 lbf
  • Static Radial Load 7538 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.42 kg
Super Precision Angular Contact Ball Bearings 71913 CD/P4ADBB dimension drawing
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Features

Performance Features of 71913 CD/P4ADBB Bearing

71913 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strength, while the phenolic cage ensures smooth operation at high speeds.
With a dynamic radial load capacity of 7470 lbf, it handles demanding conditions reliably.
The matched arrangement of two bearings enhances stability and precision.

Why Choose 71913 CD/P4ADBB Bearing for Precision Tasks?

71913 CD/P4ADBB Bearing offers P4A tolerance class, ensuring high precision for critical applications.
The phenolic cage minimises friction, allowing speeds up to 31,000 rpm.
Its chrome steel construction resists wear, maintaining performance over time.
The light preload (Class B) ensures smooth operation without excessive resistance.

Engineered for Precision: 71913 CD/P4ADBB Bearing

71913 CD/P4ADBB Bearing’s 26-ball design distributes loads evenly, reducing stress on individual components.
Its open seal type allows for easy lubrication, extending service life.
The matched bearing arrangement (DB) enhances rigidity in high-speed applications.
With a temperature range of -30°C to 110°C, it performs reliably in varied conditions.

Steel vs Ceramic Bearings: Strengths of 71913 CD/P4ADBB Bearing

71913 CD/P4ADBB Bearing uses chrome steel for rings and balls, balancing cost and durability.
The phenolic cage offers quiet operation, ideal for precision machinery.
Its 65 mm bore size accommodates standard shafts, simplifying installation.
With a static radial load of 7538 lbf, it provides reliable support in stationary applications.

Application

Essential Roles of 71913 CD/P4ADBB Bearing
71913 CD/P4ADBB Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures smooth operation. The light preload and P4A tolerance class make it ideal for applications demanding minimal vibration.

In robotics, 71913 CD/P4ADBB Bearing supports articulated arms, providing reliable performance in repetitive motions. The matched arrangement of two bearings enhances stability, crucial for precise positioning.

For aerospace components, 71913 CD/P4ADBB Bearing’s chrome steel construction handles both radial and axial loads efficiently. Its high-speed capability (up to 31,000 rpm) suits demanding environments like turbine systems.

In medical imaging devices, 71913 CD/P4ADBB Bearing’s phenolic cage reduces friction, ensuring quiet operation. The open design allows for easy lubrication, extending service life in critical applications.

Q&A

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