+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71920 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71920 CD/P4ADBB

The 71920 CD/P4ADBB is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 21938 lbf and operates smoothly at speeds up to 16000 RPM.

With a 15° contact angle and light preload, it offers excellent stability for high-precision applications. The open design and phenolic cage ensure reliable performance under demanding conditions.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindle systems where accuracy is key. It works in temperatures from -30°C to 110°C.

Weighing 1.6kg, it’s a robust choice for industrial use. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71920 CD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 21938 lbf
  • Static Radial Load 29700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.6 kg
Super Precision Angular Contact Ball Bearings 71920 CD/P4ADBB dimension drawing
Download DWG Download PDF

Features

Performance Features of 71920 CD/P4ADBB Bearing

71920 CD/P4ADBB Bearing is designed with a 15° contact angle, providing excellent angular contact performance.
Its chrome steel rings and balls ensure durability and resistance to wear.
The phenolic cage maintains ball alignment, reducing friction and noise.
With a dynamic radial load capacity of 21938 lbf, it handles demanding applications with ease.

How Does 71920 CD/P4ADBB Bearing Achieve High-Speed Operation?

71920 CD/P4ADBB Bearing’s precision design allows it to reach speeds up to 16,000 rpm.
The light preload and matched arrangement of two bearings ensure smooth and stable operation.
Its open seal type facilitates efficient lubrication, enhancing performance.
The P4A tolerance class guarantees high precision in every rotation.

Engineered for Precision: 71920 CD/P4ADBB Bearing

71920 CD/P4ADBB Bearing’s chrome steel construction offers reliable strength and longevity.
The 26 balls, each 12.7 mm in diameter, distribute loads evenly for consistent performance.
Its phenolic cage reduces friction, making it ideal for high-speed applications.
With a static radial load capacity of 29700 lbf, it excels in heavy-duty tasks.

Why Choose 71920 CD/P4ADBB Bearing for Angular Contact Applications?

71920 CD/P4ADBB Bearing’s 15° contact angle ensures optimal load distribution in angular contact scenarios.
The matched arrangement of two bearings provides stability and reduces vibration.
Its high-speed capability of 16,000 rpm makes it suitable for precision machinery.
The P4A tolerance class ensures consistent accuracy and reliability.

Designed for Durability: 71920 CD/P4ADBB Bearing

71920 CD/P4ADBB Bearing’s chrome steel components resist wear, extending its service life.
The phenolic cage design minimises friction, enhancing efficiency and reducing heat generation.
With a temperature range of -30°C to 110°C, it performs reliably in various environments.
Its 40 mm width provides a compact yet robust solution for space-constrained applications.

Application

Industrial Uses of 71920 CD/P4ADBB Bearing
71920 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71920 CD/P4ADBB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation under varying loads.

For automation systems, 71920 CD/P4ADBB Bearing is ideal for robotic arms and CNC machinery, offering reliable performance with minimal maintenance. The P4A tolerance class ensures consistent precision in repetitive tasks.

Medical imaging devices benefit from 71920 CD/P4ADBB Bearing’s chrome steel construction, which provides durability in high-use scenarios. The open design allows for easy lubrication, extending the bearing’s service life.

In consumer electronics, 71920 CD/P4ADBB Bearing can be found in high-end printers and precision instruments. Its balanced load handling and low friction make it suitable for applications requiring quiet and efficient operation.

Q&A

SEND INQUIRY