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Super Precision Angular Contact Ball Bearings 71906 CD/HCP4ADBD

Super Precision Angular Contact Ball Bearings 71906 CD/HCP4ADBD

The 71906 CD/HCP4ADBD is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from chrome steel and ceramic balls. It handles radial loads up to 2565 lbf and spins at speeds over 100,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and heavy preload ensure stability under angular loads, while the phenolic cage reduces friction. The open design allows for easy lubrication, maintaining smooth operation.

This matched set of two bearings (DB arrangement) is ideal for precision machinery like spindles or CNC tools. It operates in temperatures from -30°C to 110°C, offering reliable performance in varied conditions.

Weighing just 0.09kg, it’s lightweight yet durable. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71906 CD/HCP4ADBD
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2565 lbf
  • Static Radial Load 2059 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.09 kg
Super Precision Angular Contact Ball Bearings 71906 CD/HCP4ADBD dimension drawing
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Features

Performance Features of 71906 CD/HCP4ADBD Bearing

71906 CD/HCP4ADBD Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls ensure high precision and durability under heavy preload conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing speed capabilities.
With a maximum speed of 100,500 rpm, it delivers reliable performance in high-speed operations.

This bearing set includes two matched bearings, providing balanced load handling.
Its P4A tolerance class ensures consistent precision for demanding industrial applications.

Application

Industrial Uses of 71906 CD/HCP4ADBD Bearing
71906 CD/HCP4ADBD Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The ceramic balls and phenolic cage reduce friction, making it ideal for demanding industrial environments.

Where Is 71906 CD/HCP4ADBD Bearing Used?
In automotive applications, 71906 CD/HCP4ADBD Bearing supports components like turbochargers and transmission systems. Its heavy preload and matched arrangement provide stability under high-speed conditions.

Optimized for Performance: 71906 CD/HCP4ADBD Bearing
For automation and robotics, 71906 CD/HCP4ADBD Bearing offers reliable operation in robotic arms and CNC machines. The P4A tolerance class ensures consistent precision in repetitive tasks.

Medical vs Industrial: Where 71906 CD/HCP4ADBD Bearing Excels
In medical imaging devices, 71906 CD/HCP4ADBD Bearing’s chrome steel rings and ceramic balls deliver smooth, quiet operation. Its high-speed capability also makes it suitable for dental drills and lab equipment.

Essential Roles of 71906 CD/HCP4ADBD Bearing
71906 CD/HCP4ADBD Bearing is a key component in 3D printers, where its low friction and high precision enhance print quality. The open design allows for easy lubrication, extending its service life.

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