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Super Precision Angular Contact Ball Bearings 71912 CEGA/P4A

Super Precision Angular Contact Ball Bearings 71912 CEGA/P4A

The 71912 CEGA/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 and lightweight design (0.19kg) make it easy to handle while maintaining strength.

With a 15° contact angle, it efficiently manages both radial and axial loads, supporting dynamic radial loads up to 3668 lbf. It operates smoothly at high speeds, reaching up to 31,000 RPM, and performs reliably in temperatures from -30°C to 110°C.

The open design and phenolic cage ensure durability and easy maintenance, while the P4A tolerance class guarantees precision. This bearing is interchangeable with SKF models, offering flexibility for replacements.

Ideal for high-precision applications like machine tools or spindles, it can be arranged back-to-back, face-to-face, or tandem for versatile use. Its universal matching feature adds to its adaptability in various setups.

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Product Parameters

  • Part Number 71912 CEGA/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 15°
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3668 lbf
  • Static Radial Load 2655 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.19 kg
  • Price（$） 19.467
Super Precision Angular Contact Ball Bearings 71912 CEGA/P4A dimension drawing
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Features

Performance Features of 71912 CEGA/P4A Bearing

71912 CEGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 3668 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 31,000 rpm, it delivers reliable performance in precision tasks.

71912 CEGA/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload enhances smoothness, making it suitable for high-precision machinery.

The open design allows for easy lubrication, extending maintenance intervals.
Its universal matching capability offers flexibility in various mounting configurations.

Application

How Does 71912 CEGA/P4A Bearing Improve Performance?
71912 CEGA/P4A Bearing excels in high-speed machine tools, where its 15° contact angle ensures precise radial and axial load handling. The phenolic cage reduces friction, making it ideal for applications demanding smooth rotation.

In robotics, 71912 CEGA/P4A Bearing supports articulated arms, providing stability during rapid movements. Its P4A tolerance class guarantees consistent accuracy, even under dynamic loads.

For medical imaging devices, 71912 CEGA/P4A Bearing’s chrome steel construction offers reliable performance in sensitive environments. The extra-light preload further minimises vibration, ensuring clear imaging results.

Automotive vs Aerospace: Applications of 71912 CEGA/P4A Bearing
In automotive systems, 71912 CEGA/P4A Bearing enhances gearbox efficiency, thanks to its high-speed capability. The metric sizing ensures compatibility with European and Asian vehicle designs.

Aerospace applications benefit from 71912 CEGA/P4A Bearing’s lightweight yet durable construction. Its temperature range (-30°C to 110°C) suits both ground and flight conditions.

Built for Heavy-Duty Use: 71912 CEGA/P4A Bearing
71912 CEGA/P4A Bearing handles demanding industrial environments like conveyor systems, where its open design simplifies maintenance. The 31,000 rpm max speed keeps production lines running smoothly.

In 3D printers, 71912 CEGA/P4A Bearing ensures precise linear motion, reducing print errors. Its universal matching feature allows flexible configurations for different machine designs.

Q&A

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