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Super Precision Angular Contact Ball Bearings 71901 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71901 CD/P4ADBB

The 71901 CD/P4ADBB is a super precision angular contact ball bearing, measuring 12mm by 24mm by 12mm. Made from chrome steel, it’s designed for angular loads and high-speed applications.

With a 15° contact angle and light preload, it handles radial loads up to 981 lbf and spins smoothly at speeds up to 220,000 RPM. The open design and phenolic cage ensure durability and easy maintenance.

This matched set of two bearings (DB arrangement) offers stable performance in temperatures from -30°C to 110°C. Ideal for precision machinery like spindles or CNC tools where accuracy is key.

Weighing just 0.02kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 71901 CD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 13
  • 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 981 lbf
  • Static Radial Load 562 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 220000 rpm
  • Weight 0.02 kg
Super Precision Angular Contact Ball Bearings 71901 CD/P4ADBB dimension drawing
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Features

Performance Features of 71901 CD/P4ADBB Bearing

71901 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The matched arrangement of two bearings provides stability, ideal for high-precision tasks.
With a maximum speed of 220,000 rpm, it delivers efficient performance in demanding conditions.

Light preload class B enhances accuracy, making it suitable for precision machinery.
Its P4A tolerance class ensures consistent performance and reliability.

Application

Key Fields for 71901 CD/P4ADBB Bearing
71901 CD/P4ADBB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The light preload and matched arrangement make it ideal for reducing vibration in demanding applications.

In robotics, 71901 CD/P4ADBB Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage offers good heat resistance, which is essential for continuous operation.

For medical imaging devices, 71901 CD/P4ADBB Bearing’s P4A tolerance class guarantees consistent performance in sensitive equipment. The chrome steel construction also helps maintain reliability under frequent use.

Automotive applications like electric power steering systems benefit from 71901 CD/P4ADBB Bearing’s ability to handle combined loads. The open design allows for easy lubrication, extending its lifespan in harsh conditions.

Q&A

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