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Super Precision Angular Contact Ball Bearings 71813 CD/P4DFB

Super Precision Angular Contact Ball Bearings 71813 CD/P4DFB

The 71813 CD/P4DFB is a super precision angular contact ball bearing, measuring 65mm by 85mm by 20mm, crafted from durable chrome steel. It handles radial loads up to 4972 lbf and operates smoothly at high speeds, reaching up to 36,000 RPM.

With a 15° contact angle and light preload, it offers excellent stability for precise applications. The open design and phenolic cage ensure reliable performance, while the matched arrangement of two bearings enhances load distribution.

Ideal for high-precision machinery like CNC spindles or grinding equipment, where accuracy is key. Its temperature range of -30°C to 110°C makes it suitable for various industrial environments.

Weighing just 0.25kg, it’s a lightweight yet robust choice for demanding tasks. Compliant with P4 tolerance standards, it ensures consistent performance. Interchangeable with SKF bearings, it’s a versatile option for replacements.

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Product Parameters

  • Part Number 71813 CD/P4DFB
  • 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 P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • 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 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/P4DFB dimension drawing
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Features

Performance Features of 71813 CD/P4DFB Bearing

71813 CD/P4DFB Bearing is designed with a 15° contact angle, optimising performance in angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing handles dynamic radial loads up to 4972 lbf, making it suitable for high-precision tasks.
With a maximum speed of 36,000 rpm, it delivers efficient performance in demanding conditions.

71813 CD/P4DFB Bearing operates in temperatures from -30°C to 110°C, ensuring reliability in varied environments.
Its P4 tolerance class guarantees precision, making it ideal for applications requiring tight tolerances.

Application

Industrial Uses of 71813 CD/P4DFB Bearing
71813 CD/P4DFB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability for demanding industrial applications.

What Makes 71813 CD/P4DFB Bearing a Preferred Choice?
In automotive systems, 71813 CD/P4DFB Bearing supports components like electric motors and transmissions, thanks to its light preload and high-speed capability. The phenolic cage material helps reduce friction and wear over time.

Perfect Fit for Automation: 71813 CD/P4DFB Bearing
For robotics and automation, 71813 CD/P4DFB Bearing offers reliable performance in robotic arms and CNC machines. Its P4 tolerance class ensures precision in repetitive movements.

Medical vs Industrial: Where 71813 CD/P4DFB Bearing Excels
In medical imaging devices, 71813 CD/P4DFB Bearing provides smooth operation due to its chrome steel construction. Industrial applications benefit from its ability to handle both radial and axial loads efficiently.

Q&A

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