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Super Precision Angular Contact Ball Bearings 7211 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 7211 ACDGC/P4A

The 7211 ACDGC/P4A 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 moderate preload for balanced performance.

This bearing handles radial loads up to 11858 lbf and spins smoothly at speeds up to 34000 RPM. Its phenolic cage ensures quiet operation and long service life, even under demanding conditions.

With an open design, it’s easy to lubricate and maintain. The bearing operates reliably in temperatures from -30°C to 110°C, making it suitable for various environments.

Ideal for high-precision applications like machine tool spindles or industrial pumps. Weighing 0.61kg, it’s a robust yet manageable choice for engineers. Compliant with P4A tolerance standards for exceptional accuracy.

This model is interchangeable with SKF bearings and can be arranged back-to-back, face-to-face, or tandem for flexible use. Its universal matching design simplifies installation in complex setups.

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Product Parameters

  • Part Number 7211 ACDGC/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 Moderate / Class C
  • 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
Super Precision Angular Contact Ball Bearings 7211 ACDGC/P4A dimension drawing
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Features

Performance Features of 7211 ACDGC/P4A Bearing

7211 ACDGC/P4A 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 dynamic radial loads of 11858 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 34,000 rpm, it delivers reliable performance in high-speed scenarios.

7211 ACDGC/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its precision P4A tolerance class guarantees consistent performance in demanding environments.

Application

Key Fields for 7211 ACDGC/P4A Bearing
In machine tools, 7211 ACDGC/P4A Bearing ensures high precision during operations like milling and grinding, thanks to its angular contact design. The moderate preload helps maintain stability under varying loads.

For automotive applications, 7211 ACDGC/P4A Bearing is commonly used in wheel hubs and transmissions, where its 25° contact angle improves handling. The chrome steel construction offers durability in high-speed conditions.

In robotics, 7211 ACDGC/P4A Bearing supports articulated arms, providing smooth movement and accuracy. The phenolic cage reduces friction, making it suitable for repetitive tasks.

For medical imaging devices, 7211 ACDGC/P4A Bearing’s P4A tolerance ensures reliable performance in sensitive equipment. Its open design allows for easy lubrication, extending service life.

Q&A

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