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Super Precision Angular Contact Ball Bearings 71801 CDGB/HCP4

Super Precision Angular Contact Ball Bearings 71801 CDGB/HCP4

The 71801 CDGB/HCP4 is a super precision angular contact ball bearing with a compact size of 12mm by 21mm by 5mm, crafted from chrome steel and ceramic balls. It handles radial loads up to 468 lbf and reaches speeds of 140,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and light preload ensure smooth operation with minimal friction. The phenolic cage adds durability while keeping the bearing lightweight at just 0.006kg.

This open-design bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings and comes in matched sets for universal pairing.

Ideal for precision machinery like spindles or dental tools where accuracy and speed are key. Its P4 tolerance class guarantees reliable performance in demanding conditions.

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Product Parameters

  • Part Number 71801 CDGB/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 21 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 5 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 2.381 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 468 lbf
  • Static Radial Load 266 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 140000 rpm
  • Weight 0.006 kg
Super Precision Angular Contact Ball Bearings 71801 CDGB/HCP4 dimension drawing
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Features

Why Choose 71801 CDGB/HCP4 Bearing for Precision Tasks?

71801 CDGB/HCP4 Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing performance at speeds up to 140,000 rpm.
With a P4 tolerance class, it delivers consistent accuracy in demanding conditions.

Light preload (Class B) reduces vibration, making it suitable for sensitive machinery.
Its compact size (12 mm×21 mm×5 mm) fits seamlessly into precision instruments.

Application

Industrial Uses of 71801 CDGB/HCP4 Bearing
71801 CDGB/HCP4 Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4 tolerance ensures precise alignment, crucial for maintaining accuracy in CNC machining.

Where Is 71801 CDGB/HCP4 Bearing Used?
You’ll often find 71801 CDGB/HCP4 Bearing in dental drills and small medical motors, thanks to its compact size and reliable performance. The light preload makes it ideal for applications requiring smooth, vibration-free rotation.

Built for Heavy-Duty Use: 71801 CDGB/HCP4 Bearing
71801 CDGB/HCP4 Bearing handles angular loads effortlessly, making it a go-to choice for robotics and automation systems. Its chrome steel rings and ceramic balls offer a good balance of durability and speed.

Automotive vs Aerospace: Applications of 71801 CDGB/HCP4 Bearing
In automotive systems, 71801 CDGB/HCP4 Bearing suits small electric motors and sensors due to its lightweight design. For aerospace, its high-speed capability and temperature resistance make it suitable for instrumentation.

Practical Applications of 71801 CDGB/HCP4 Bearing
71801 CDGB/HCP4 Bearing works well in precision instruments like optical encoders, where minimal deflection is key. The open seal design allows for easy lubrication, extending its service life in demanding conditions.

Q&A

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