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Super Precision Angular Contact Ball Bearings 71901 CD/PA9ADBA

Super Precision Angular Contact Ball Bearings 71901 CD/PA9ADBA

The 71901 CD/PA9ADBA 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 comes in a matched pair for extra stability.

With a 15° contact angle, it handles radial loads up to 981 lbf and spins smoothly at speeds up to 220,000 RPM. The phenolic cage ensures quiet operation and durability.

Its open design allows easy lubrication, while the extra-light preload ensures minimal friction. Ideal for high-speed applications like spindles or precision tools.

Weighing just 0.02kg, it’s lightweight yet robust. Compliant with PA9A tolerance standards, it’s interchangeable with SKF bearings for easy replacement. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71901 CD/PA9ADBA
  • 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 PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • 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/PA9ADBA dimension drawing
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Features

Performance Features of 71901 CD/PA9ADBA Bearing

71901 CD/PA9ADBA Bearing is designed with a 15° contact angle, optimising load distribution for precision tasks.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

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

71901 CD/PA9ADBA Bearing’s extra light preload enhances precision, making it suitable for angular contact loads.
Its open design allows for easy lubrication, maintaining efficiency over time.

The bearing’s compact size (12 mm×24 mm×12 mm) makes it versatile for various applications.
Its PA9A tolerance class ensures consistent performance in precision machinery.

Application

Industrial Uses of 71901 CD/PA9ADBA Bearing
71901 CD/PA9ADBA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The phenolic cage reduces friction, making it suitable for continuous operation.

In robotics, 71901 CD/PA9ADBA Bearing provides smooth motion control in articulated arms and joints. Its extra light preload helps maintain precision even during rapid directional changes.

For medical imaging devices, 71901 CD/PA9ADBA Bearing’s chrome steel construction offers durability and reliability. The matched arrangement of two bearings enhances stability in critical applications.

Automotive applications like electric power steering systems benefit from 71901 CD/PA9ADBA Bearing’s high-speed capabilities. Its metric sizing ensures compatibility with various vehicle designs.

In 3D printers, 71901 CD/PA9ADBA Bearing supports precise linear motion, contributing to consistent print quality. The open seal design allows for easy lubrication and maintenance.

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