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Super Precision Angular Contact Ball Bearings 71912 ACEGB/P4A

Super Precision Angular Contact Ball Bearings 71912 ACEGB/P4A

The 71912 ACEGB/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. Its compact 13mm width makes it suitable for space-conscious applications.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 3442 lbf dynamically. It spins smoothly at speeds up to 36,000 RPM, ideal for high-performance machinery.

The open design and phenolic cage ensure durability, while the light preload (Class B) enhances precision. It operates reliably in temperatures from -30°C to 110°C.

This bearing is interchangeable with SKF models and comes in matched sets for universal pairing (back-to-back, face-to-face, or tandem). Perfect for precision tools, spindles, or high-speed applications where accuracy is key. Weighing just 0.19kg, it balances strength and lightness.

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Product Parameters

  • Part Number 71912 ACEGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3442 lbf
  • Static Radial Load 2475 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.19 kg
Super Precision Angular Contact Ball Bearings 71912 ACEGB/P4A dimension drawing
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Features

Performance Features of 71912 ACEGB/P4A Bearing

71912 ACEGB/P4A Bearing is designed with a 25° 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 bearing handles dynamic radial loads up to 3442 lbf, making it suitable for high-performance machinery.
With a maximum speed of 36,000 rpm, it delivers smooth operation in demanding conditions.

71912 ACEGB/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4A tolerance class ensures precision, ideal for applications requiring high accuracy.

The open design allows for easy lubrication, enhancing the bearing’s longevity.
Its universal matching capability offers flexibility in various mounting configurations.

Application

Key Fields for 71912 ACEGB/P4A Bearing
71912 ACEGB/P4A Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The 25° contact angle makes it suitable for handling combined radial and axial loads efficiently.

In automotive applications, 71912 ACEGB/P4A Bearing supports components like electric motors and gearboxes, thanks to its high-speed capability and durability. The phenolic cage reduces friction, enhancing performance in demanding conditions.

For robotics, 71912 ACEGB/P4A Bearing’s open design and P4A tolerance class provide the accuracy needed for precise movements. Its universal matching feature allows flexible arrangement in various configurations.

In medical imaging devices, 71912 ACEGB/P4A Bearing’s chrome steel construction ensures reliability and long service life. The lubricated design further reduces maintenance needs in critical applications.

Q&A

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