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Super Precision Angular Contact Ball Bearings 7211 ACD/P4A

Super Precision Angular Contact Ball Bearings 7211 ACD/P4A

The 7211 ACD/P4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 11858 lbf and operates smoothly at speeds up to 20000 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring long service life.

This bearing is ideal for high-precision applications like machine tools or spindle drives, where accuracy and speed are crucial. Its P4 tolerance class ensures reliable performance in demanding conditions.

Weighing 0.61kg, it’s a robust yet manageable component for industrial use. Compatible with SKF bearings, it’s a versatile choice for replacements or upgrades.

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Product Parameters

  • Part Number 7211 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 21 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 11858 lbf
  • Static Radial Load 9112 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 20000 rpm
  • Weight 0.61 kg
  • Price（$） 97.848
Super Precision Angular Contact Ball Bearings 7211 ACD/P4A dimension drawing
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Features

Performance Features of 7211 ACD/P4A Bearing

7211 ACD/P4A Bearing is designed with a 25° contact angle, providing excellent radial and axial load capacity.
Its chrome steel rings and balls ensure durability and high performance in precision applications.

The phenolic cage in 7211 ACD/P4A Bearing reduces friction and allows smooth operation at high speeds.
With a maximum speed of 20,000 rpm, it is ideal for demanding industrial uses.

7211 ACD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design simplifies lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 7211 ACD/P4A Bearing
7211 ACD/P4A 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/P4A Bearing supports gearbox systems, providing stability under radial and axial loads. Its P4 tolerance class ensures consistent performance in demanding driving conditions.

For robotics, 7211 ACD/P4A Bearing excels in articulated arms, offering smooth movement and durability. The chrome steel construction enhances its lifespan even in continuous operation.

Where Is 7211 ACD/P4A Bearing Used?
You’ll find 7211 ACD/P4A Bearing in CNC machinery, where its precision and speed capabilities are essential. The open design allows for easy lubrication, maintaining performance over time.

In medical imaging devices, 7211 ACD/P4A Bearing provides reliable motion control, thanks to its high load capacity. The temperature range also ensures stability in various clinical environments.

Built for Heavy-Duty Use: 7211 ACD/P4A Bearing
7211 ACD/P4A Bearing is ideal for industrial pumps, handling both radial and angular loads with ease. Its dynamic load rating makes it a dependable choice for continuous operation.

In automation systems, 7211 ACD/P4A Bearing ensures precise linear motion, crucial for assembly lines. The phenolic cage material also reduces noise, improving workplace conditions.

Light-Duty vs Heavy-Duty: Best Uses for 7211 ACD/P4A Bearing
For light-duty applications like small electric motors, 7211 ACD/P4A Bearing offers quiet and efficient performance. Its compact size fits well in space-constrained designs.

In heavy-duty scenarios such as construction equipment, 7211 ACD/P4A Bearing withstands high loads and harsh conditions. The chrome steel rings provide excellent wear resistance.

Q&A

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