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Super Precision Angular Contact Ball Bearings 71901 CE/PA9ADGA

Super Precision Angular Contact Ball Bearings 71901 CE/PA9ADGA

The 71901 CE/PA9ADGA is a super precision angular contact ball bearing with a compact size of 12mm by 24mm by 12mm, made from high-quality chrome steel. It features a 15° contact angle and is lubricated for smooth operation.

This bearing handles radial loads up to 776 lbf and can spin at speeds up to 165,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures durability and reduces friction.

The universal matching design allows for flexible arrangements like back-to-back or face-to-face mounting. Ideal for precision machinery, spindles, or tools where accuracy and speed are crucial.

Weighing just 0.02kg, it’s lightweight yet robust. Compliant with PA9A tolerance class, it offers reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71901 CE/PA9ADGA
  • 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 12
  • Contact Angle 15°
  • Tolerance Class PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 776 lbf
  • Static Radial Load 396 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 165000 rpm
  • Weight 0.02 kg
Super Precision Angular Contact Ball Bearings 71901 CE/PA9ADGA dimension drawing
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Features

Performance Features of 71901 CE/PA9ADGA Bearing

71901 CE/PA9ADGA Bearing is crafted with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing supports dynamic radial loads up to 776 lbf, making it suitable for high-precision applications.
With a maximum speed of 165,000 rpm, it delivers reliable performance in demanding conditions.

Universal matching allows flexible arrangement options, including back-to-back or face-to-face configurations.
The extra light preload (Class A) ensures minimal friction and enhanced precision.

Designed for temperatures from -30°C to 110°C, 71901 CE/PA9ADGA Bearing maintains stability across varied environments.
Its compact size (12 mm×24 mm×12 mm) makes it a versatile choice for space-constrained applications.

Application

Common Applications of 71901 CE/PA9ADGA Bearing
71901 CE/PA9ADGA Bearing is widely used in industrial machinery, especially in high-speed spindles and precision tools where its 15° contact angle ensures smooth operation. The extra light preload makes it suitable for applications requiring minimal friction.

Where Is 71901 CE/PA9ADGA Bearing Used?
In automotive systems, 71901 CE/PA9ADGA Bearing supports components like electric motors and gearboxes, thanks to its high-speed capability and angular contact design. The universal matching feature allows for flexible installation in various configurations.

Ideal for Precision: 71901 CE/PA9ADGA Bearing
For medical devices such as dental drills and imaging equipment, 71901 CE/PA9ADGA Bearing offers reliable performance due to its phenolic cage and chrome steel construction. Its low tolerance class ensures consistent accuracy in critical applications.

Automotive vs Aerospace: Applications of 71901 CE/PA9ADGA Bearing
In automotive settings, 71901 CE/PA9ADGA Bearing handles high-speed rotations in turbochargers, while in aerospace, it supports avionics systems where precision and reliability are paramount. The lightweight design is a plus in both fields.

Practical Applications of 71901 CE/PA9ADGA Bearing
71901 CE/PA9ADGA Bearing is a go-to choice for robotics and automation, particularly in robotic arms and CNC machines, where its tandem arrangement options provide stability. The lubricated design ensures long service life even under continuous use.

Q&A

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