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Super Precision Angular Contact Ball Bearings 7211 ACD/HCP4ADGB

Super Precision Angular Contact Ball Bearings 7211 ACD/HCP4ADGB

The 7211 ACD/HCP4ADGB is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 19170 lbf and operates smoothly at speeds up to 34000 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for high-precision setups. The phenolic cage ensures quiet operation and long service life.

This bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. It’s interchangeable with SKF models, making replacements straightforward.

Perfect for machine tools or high-speed spindles where accuracy and low friction are key. Weighing 1.01kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7211 ACD/HCP4ADGB
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • 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 1.01 kg
Super Precision Angular Contact Ball Bearings 7211 ACD/HCP4ADGB dimension drawing
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Features

Performance Features of 7211 ACD/HCP4ADGB Bearing

7211 ACD/HCP4ADGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 34,000 rpm.
With a dynamic radial load capacity of 19,170 lbf, it handles demanding tasks with ease.

Universal matching allows flexible arrangement options, including back-to-back or face-to-face setups.
This makes 7211 ACD/HCP4ADGB Bearing adaptable to various precision engineering needs.

The P4A tolerance class guarantees high precision, ensuring reliable performance in critical applications.
Its lightweight phenolic cage also contributes to reduced vibration and noise.

Application

Key Fields for 7211 ACD/HCP4ADGB Bearing
7211 ACD/HCP4ADGB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures smooth operation under radial and axial loads. The ceramic balls reduce friction, making it ideal for applications requiring minimal heat generation.

In automotive applications, 7211 ACD/HCP4ADGB Bearing supports components like wheel hubs and transmissions, thanks to its universal matching feature. The light preload also enhances stability during high-speed rotations.

For robotics and automation, 7211 ACD/HCP4ADGB Bearing’s phenolic cage and chrome steel rings provide durability in repetitive motion systems. Its P4A tolerance class ensures consistent performance in precision-driven tasks.

Medical imaging devices benefit from 7211 ACD/HCP4ADGB Bearing’s low-friction ceramic balls, which maintain accuracy in sensitive equipment. The open design allows for easy lubrication, extending service life in critical environments.

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