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Super Precision Angular Contact Ball Bearings 71813 CD/P4QFCB

Super Precision Angular Contact Ball Bearings 71813 CD/P4QFCB

The 71813 CD/P4QFCB is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from high-grade chrome steel. It features a 15° contact angle and comes in a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 8055 lbf and spins smoothly at speeds up to 36,000 RPM. Its phenolic cage ensures quiet operation and durability, while the open design allows for easy lubrication.

The light preload (Class B) enhances stability, making it ideal for high-precision applications. With a temperature range of -30°C to 110°C, it suits demanding environments.

Perfect for machine tools or spindle assemblies where accuracy is key. Weighing 0.5kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for hassle-free replacements.

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Product Parameters

  • Part Number 71813 CD/P4QFCB
  • 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 40 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 4 bearings >><< QFC
  • Number Of Bearings In Matched Set 4
  • 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 8055 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.5 kg
Super Precision Angular Contact Ball Bearings 71813 CD/P4QFCB dimension drawing
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Features

Performance Features of 71813 CD/P4QFCB Bearing

71813 CD/P4QFCB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 8055 lbf, it handles demanding conditions reliably.
The P4 tolerance class guarantees consistent performance in precision machinery.

Operating at speeds up to 36,000 rpm, it balances speed and stability.
Its matched arrangement of four bearings provides uniform load sharing, extending service life.

The open design allows easy lubrication, reducing maintenance needs.
Its temperature range of -30°C to 110°C ensures versatility in various environments.

Application

Key Fields for 71813 CD/P4QFCB Bearing
71813 CD/P4QFCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of four bearings provides stability in demanding operations.

In robotics, 71813 CD/P4QFCB Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage reduces weight while maintaining durability.

For medical imaging devices, 71813 CD/P4QFCB Bearing’s P4 tolerance class delivers the precision needed for consistent performance. The chrome steel construction also handles frequent use without compromising reliability.

In automotive testing equipment, 71813 CD/P4QFCB Bearing’s light preload ensures minimal vibration during high-speed runs. The open design allows for easy lubrication, extending service life.

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