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Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADBA

The 7211 ACD/P4ADBA 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.

This bearing handles radial loads up to 19170 lbf and spins smoothly at speeds up to 34000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

The open design allows for easy lubrication, while the extra-light preload ensures minimal friction. Ideal for high-precision applications like machine tool spindles or high-speed motors.

With a temperature range of -30°C to 110°C, it’s versatile for various industrial uses. Weighing 1.23kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 7211 ACD/P4ADBA
  • 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 Extra light / Class A
  • 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
Super Precision Angular Contact Ball Bearings 7211 ACD/P4ADBA dimension drawing
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Features

Performance Features of 7211 ACD/P4ADBA Bearing

7211 ACD/P4ADBA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
The chrome steel construction ensures durability and resistance to wear in high-speed applications.
With a maximum speed of 34,000 rpm, it delivers smooth and efficient performance.
Its phenolic cage maintains ball alignment, reducing friction and extending service life.

How Does 7211 ACD/P4ADBA Bearing Achieve High Precision?

7211 ACD/P4ADBA Bearing meets P4A tolerance class standards, ensuring exceptional precision for demanding tasks.
The matched arrangement of two bearings provides stability and balanced load distribution.
Its extra light preload reduces vibration, enhancing operational smoothness.
The open design allows for easy lubrication, maintaining optimal performance over time.

Engineered for Efficiency: 7211 ACD/P4ADBA Bearing

7211 ACD/P4ADBA Bearing’s dynamic radial load capacity of 19170 lbf makes it suitable for heavy-duty applications.
The phenolic cage material resists heat and wear, ensuring reliable operation.
Its chrome steel balls and rings provide excellent resistance to fatigue and corrosion.
With a temperature range of -30°C to 110°C, it performs well in various environments.

Application

Key Fields for 7211 ACD/P4ADBA Bearing
7211 ACD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 7211 ACD/P4ADBA Bearing supports gearbox systems, providing stability under radial and axial loads. Its matched arrangement enhances performance in demanding driving conditions.

For robotics, 7211 ACD/P4ADBA Bearing offers reliable motion control in articulated arms and joints. The extra light preload ensures smooth movement without unnecessary resistance.

In medical imaging devices, 7211 ACD/P4ADBA Bearing’s precision and low noise operation are ideal for sensitive equipment. The chrome steel construction ensures long-term durability in sterile environments.

Consumer electronics like high-end printers benefit from 7211 ACD/P4ADBA Bearing’s quiet and efficient performance. Its metric dimensions make it easy to integrate into compact designs.

Q&A

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