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Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADBB

The 7211 ACD/P4ADBB is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

Designed for high-speed applications, it handles radial loads up to 19170 lbf and spins smoothly at speeds up to 34000 RPM. The phenolic cage ensures quiet operation and long service life.

Its open design allows easy lubrication, while the P4A tolerance class guarantees precise performance. Ideal for machine tools or spindle applications where accuracy is key.

Weighing 1.23kg, this bearing operates reliably in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings, making replacements straightforward.

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Product Parameters

  • Part Number 7211 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 42 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • 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 19170 lbf
  • Static Radial Load 18338 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.23 kg
  • Price（$） 26.973
Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADBB dimension drawing
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Features

Performance Features of 7211 ACD/P4ADBB Bearing

7211 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and resistance to wear under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 19170 lbf, it handles demanding conditions reliably.

7211 ACD/P4ADBB Bearing operates at speeds up to 34,000 rpm, making it suitable for high-speed applications.
Its precision P4A tolerance class ensures consistent performance in critical tasks.

The matched arrangement of two bearings provides stability and balanced load distribution.
Its open design allows for easy lubrication, extending service life and reducing maintenance needs.

7211 ACD/P4ADBB Bearing functions efficiently in temperatures ranging from -30°C to 110°C.
This makes it versatile for various industrial environments and applications.

Application

Key Fields for 7211 ACD/P4ADBB Bearing
In machine tools, 7211 ACD/P4ADBB Bearing excels due to its high precision and angular contact design, ensuring smooth operation under radial and axial loads. The phenolic cage reduces friction, making it ideal for high-speed applications.

Where Is 7211 ACD/P4ADBB Bearing Used?
You’ll often find 7211 ACD/P4ADBB Bearing in automotive transmissions, where its light preload and matched arrangement enhance performance. Its chrome steel construction also ensures durability in demanding conditions.

Built for Heavy-Duty Use: 7211 ACD/P4ADBB Bearing
This bearing is a reliable choice for industrial pumps, handling both dynamic and static loads with ease. The open seal type allows for efficient lubrication, extending its service life.

Medical vs Industrial: Where 7211 ACD/P4ADBB Bearing Excels
In medical imaging devices, 7211 ACD/P4ADBB Bearing offers quiet and precise movement. Meanwhile, in industrial robotics, its high-speed capability and stability stand out.

Practical Applications of 7211 ACD/P4ADBB Bearing
For automation systems like CNC machines, 7211 ACD/P4ADBB Bearing provides consistent accuracy. Its metric sizing ensures compatibility with a wide range of equipment.

Q&A

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