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Super Precision Angular Contact Ball Bearings 71806 CD/P4QBCB

Super Precision Angular Contact Ball Bearings 71806 CD/P4QBCB

The 71806 CD/P4QBCB is a super precision angular contact ball bearing with a 30mm bore and 42mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2632 lbf and reaches speeds of 83,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and light preload ensure smooth operation, while the phenolic cage offers stability under stress. The open design allows for easy lubrication, extending its lifespan.

This bearing comes in a matched set of four, ideal for applications requiring precise alignment, such as machine tool spindles or high-speed motors. It operates efficiently in temperatures from -30°C to 110°C.

Weighing just 0.1kg, it’s lightweight yet robust, meeting P4 tolerance standards for exceptional accuracy. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71806 CD/P4QBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 28 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • 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 2632 lbf
  • Static Radial Load 3375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.1 kg
Super Precision Angular Contact Ball Bearings 71806 CD/P4QBCB dimension drawing
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Features

Performance Features of 71806 CD/P4QBCB Bearing

71806 CD/P4QBCB 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 2632 lbf, it handles demanding conditions reliably.
The P4 tolerance class guarantees high precision, making it suitable for critical tasks.

Operating at up to 83,000 rpm, 71806 CD/P4QBCB Bearing maintains performance in high-speed environments.
Its matched arrangement of four bearings ensures consistent performance and load sharing.

Application

Industrial Uses of 71806 CD/P4QBCB Bearing
71806 CD/P4QBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of four bearings provides stability for demanding industrial applications.

In robotics, 71806 CD/P4QBCB Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage reduces weight while maintaining strength, ideal for repetitive motions.

For medical imaging devices, 71806 CD/P4QBCB Bearing’s P4 tolerance class guarantees consistent performance in sensitive equipment. The chrome steel construction also resists wear in sterile environments.

Automotive applications include electric vehicle motors, where 71806 CD/P4QBCB Bearing handles high speeds efficiently. The light preload ensures quiet operation, perfect for modern drivetrains.

In 3D printers, 71806 CD/P4QBCB Bearing’s precision alignment improves print quality. The open design allows for easy lubrication, extending service life in continuous use.

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