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Super Precision Angular Contact Ball Bearings 71907 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71907 CEGA/HCP4A

The 71907 CEGA/HCP4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from chrome steel for durability. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 1755 lbf.

With a maximum speed of 56,000 RPM, this bearing is designed for high-speed applications. The phenolic cage adds stability, while the P4A tolerance class guarantees precise performance.

Its open design allows for easy lubrication, and it operates efficiently in temperatures from -30°C to 110°C. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing just 0.067kg, it’s ideal for precision machinery like spindles or high-speed tools where accuracy and speed are crucial. Compliant with universal matching standards, it’s a reliable choice for demanding setups.

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Product Parameters

  • Part Number 71907 CEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 19
  • 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 1755 lbf
  • Static Radial Load 1046 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.067 kg
  • Price（$） 55.287
Super Precision Angular Contact Ball Bearings 71907 CEGA/HCP4A dimension drawing
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Features

How Is 71907 CEGA/HCP4A Bearing Engineered for Reliability?

71907 CEGA/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 1755 lbf, it handles demanding tasks efficiently.
Its phenolic cage ensures stability at high speeds, supporting up to 56,000 rpm.

The extra-light preload (Class A) minimises vibration, improving performance in precision instruments.
Operating between -30°C to 110°C, it remains reliable in varying temperature conditions.

Application

Key Fields for 71907 CEGA/HCP4A Bearing
71907 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance class ensures precise alignment for smooth operation.

Where Is 71907 CEGA/HCP4A Bearing Used?
You’ll often find 71907 CEGA/HCP4A Bearing in automotive applications like electric motors, where its angular contact design handles combined loads efficiently. The extra-light preload makes it ideal for sensitive systems.

Built for Heavy-Duty Use: 71907 CEGA/HCP4A Bearing
71907 CEGA/HCP4A Bearing excels in robotics, particularly in articulated arms requiring high precision. Its chrome steel rings and ceramic balls offer durability without compromising speed.

Automotive vs Aerospace: Applications of 71907 CEGA/HCP4A Bearing
In automotive, 71907 CEGA/HCP4A Bearing supports gearbox shafts, while aerospace uses it in auxiliary power units. The metric sizing and universal matching options add versatility.

Perfect Fit for Automation: 71907 CEGA/HCP4A Bearing
71907 CEGA/HCP4A Bearing works well in 3D printers, where its low friction and high-speed capability ensure accurate layer deposition. The open seal design simplifies lubrication.

Q&A

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