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Super Precision Angular Contact Ball Bearings 7211 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 7211 ACDGA/P4A

The 7211 ACDGA/P4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 11858 lbf and operates smoothly at speeds up to 34000 RPM.

With a 25° contact angle and extra light preload, it offers precise performance for demanding applications. The phenolic cage ensures quiet operation and long service life.

This bearing is suitable for high-speed machinery like spindles or CNC equipment, where accuracy is crucial. It works well in temperatures from -30°C to 110°C.

Weighing 0.61kg, it’s part of a universal matching set, allowing flexible arrangements like back-to-back or face-to-face mounting. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7211 ACDGA/P4A
  • 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 21 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 No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • 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°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.61 kg
  • Price（$） 13.491
Super Precision Angular Contact Ball Bearings 7211 ACDGA/P4A dimension drawing
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Features

Performance Features of 7211 ACDGA/P4A Bearing

7211 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for precision 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 11858 lbf, it handles demanding conditions reliably.

7211 ACDGA/P4A Bearing operates at speeds up to 34,000 rpm, making it suitable for high-performance machinery.
Its extra light preload (Class A) ensures minimal vibration and noise during use.

The open design allows for easy lubrication, extending the bearing’s service life.
It functions efficiently in temperatures ranging from -30°C to 110°C, adapting to various environments.

Universal matching capability enables flexible installation in back-to-back, face-to-face, or tandem arrangements.
This versatility makes 7211 ACDGA/P4A Bearing a practical choice for complex setups.

Application

Where Is 7211 ACDGA/P4A Bearing Used?
7211 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for easy lubrication, extending its lifespan in demanding conditions.

In automotive applications, 7211 ACDGA/P4A Bearing supports components like wheel hubs and transmissions, thanks to its high dynamic radial load capacity. Its phenolic cage material reduces friction, making it ideal for smooth, efficient operation.

For robotics, 7211 ACDGA/P4A Bearing excels in articulated arms and joints, where its extra light preload enhances responsiveness. The P4A tolerance class ensures consistent performance in precise, repetitive movements.

In medical imaging devices, 7211 ACDGA/P4A Bearing’s chrome steel construction provides durability and reliability. Its high-speed capability makes it suitable for rotating components in scanners and diagnostic equipment.

For industrial automation, 7211 ACDGA/P4A Bearing is a reliable choice for conveyor systems and assembly lines. Its universal matching feature allows for flexible configurations, adapting to various load requirements.

Q&A

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