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Super Precision Angular Contact Ball Bearings 71801 CD/P4QBCB

Super Precision Angular Contact Ball Bearings 71801 CD/P4QBCB

The 71801 CD/P4QBCB is a super precision angular contact ball bearing with a compact size of 12mm by 21mm by 20mm, crafted from durable 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 1215 lbf and spins smoothly at speeds up to 140,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

The open design allows for easy lubrication, while the P4 tolerance class guarantees high precision. Ideal for applications like machine tools or high-speed spindles where accuracy is crucial.

Weighing just 0.024kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71801 CD/P4QBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 21 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 2.381 mm
  • Ball Qty 14
  • 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 1215 lbf
  • Static Radial Load 1069 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 140000 rpm
  • Weight 0.024 kg
Super Precision Angular Contact Ball Bearings 71801 CD/P4QBCB dimension drawing
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Features

Performance Features of 71801 CD/P4QBCB Bearing

71801 CD/P4QBCB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 1215 lbf.
The phenolic cage maintains ball alignment, reducing friction and wear.
With a maximum speed of 140,000 rpm, it delivers reliable performance in high-speed scenarios.

Application

Common Applications of 71801 CD/P4QBCB Bearing
71801 CD/P4QBCB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of four bearings provides stability in demanding industrial environments.

In robotics, 71801 CD/P4QBCB Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage enhances durability, making it suitable for continuous operation.

For medical imaging devices, 71801 CD/P4QBCB Bearing’s chrome steel construction ensures reliable performance under precise conditions. The light preload helps maintain consistent accuracy in sensitive applications.

Automotive applications like electric power steering benefit from 71801 CD/P4QBCB Bearing’s high-speed capabilities. The metric sizing ensures compatibility with various vehicle designs.

In consumer electronics, 71801 CD/P4QBCB Bearing is found in high-end printers, where its precision reduces vibration and noise. The open design allows for easy lubrication, extending its service life.

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