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

Super Precision Angular Contact Ball Bearings 71920 ACD/P4ADBB

The 71920 ACD/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 20768 lbf and operates smoothly at speeds up to 15000 RPM.

With a 25° 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 ACD/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 25°
  • 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 20768 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.6 kg
Super Precision Angular Contact Ball Bearings 71920 ACD/P4ADBB dimension drawing
Download DWG Download PDF

Features

How Does 71920 ACD/P4ADBB Bearing Reduce Friction?

71920 ACD/P4ADBB Bearing features a 25° contact angle, optimised for smooth angular contact operation.
The phenolic cage material reduces friction, ensuring quieter performance at high speeds.

With a dynamic radial load capacity of 20768 lbf, it handles demanding applications efficiently.
The chrome steel construction enhances durability while maintaining precision.

Its matched arrangement of two bearings in a DB configuration provides stable performance.
The light preload (Class B) ensures minimal friction and extended service life.

Operating at speeds up to 15,000 rpm, it balances speed and reliability.
The open design allows for easy lubrication, reducing maintenance needs.

Application

Key Fields for 71920 ACD/P4ADBB Bearing
71920 ACD/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 for demanding cutting operations.

In robotics, 71920 ACD/P4ADBB Bearing supports articulated arms, thanks to its light preload and smooth performance. The phenolic cage reduces friction, making it ideal for repetitive movements.

For aerospace applications, 71920 ACD/P4ADBB Bearing handles radial and axial loads in components like landing gear systems. Its P4A tolerance class guarantees reliability in critical environments.

Medical imaging devices benefit from 71920 ACD/P4ADBB Bearing’s low-noise operation and consistent precision. The chrome steel construction ensures long service life even with frequent use.

Automotive testing equipment often relies on 71920 ACD/P4ADBB Bearing for its ability to maintain accuracy under varying loads. The open design allows for easy lubrication during maintenance checks.

Q&A

SEND INQUIRY