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Super Precision Angular Contact Ball Bearings 71912 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71912 CEGA/HCP4A

The 71912 CEGA/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 3668 lbf.

The bearing features an open design and phenolic cage, offering durability and low friction. It can handle speeds up to 31,000 RPM and operates in temperatures from -30°C to 110°C.

With a P4A tolerance class, this bearing is ideal for precision machinery like spindles or CNC tools. Its lightweight design (0.16kg) and universal matching capability make it versatile for various configurations.

Compatible with SKF models, it’s a reliable choice for replacements or new installations where accuracy and speed are key.

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Product Parameters

  • Part Number 71912 CEGA/HCP4A
  • 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 Ceramic
  • 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 0.16 kg
Super Precision Angular Contact Ball Bearings 71912 CEGA/HCP4A dimension drawing
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Features

How Does 71912 CEGA/HCP4A Bearing Reduce Friction?

71912 CEGA/HCP4A Bearing features ceramic balls, which significantly reduce friction during high-speed operation.
Its 15° contact angle ensures smooth angular contact, ideal for precision applications.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 31,000 rpm, it delivers efficient and reliable operation.

71912 CEGA/HCP4A Bearing’s chrome steel rings provide strength, while the ceramic balls minimise wear.
This combination ensures long-lasting performance in demanding conditions.

Application

Key Fields for 71912 CEGA/HCP4A Bearing
71912 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design allows for efficient lubrication, extending service life in demanding conditions.

In robotics, 71912 CEGA/HCP4A Bearing ensures accurate movement in joints and arms, thanks to its angular contact design. The phenolic cage adds durability, making it suitable for repetitive tasks.

For medical imaging devices, 71912 CEGA/HCP4A Bearing’s P4A tolerance class guarantees consistent performance. Its chrome steel rings and ceramic balls provide reliability in critical applications.

Automotive applications like electric motor shafts benefit from 71912 CEGA/HCP4A Bearing’s extra light preload. The metric sizing ensures compatibility with various European and Asian models.

In 3D printers, 71912 CEGA/HCP4A Bearing supports precise linear motion, enhancing print quality. The ceramic balls minimise wear, even during prolonged use.

Q&A

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