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Super Precision Angular Contact Ball Bearings S7211 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings S7211 CDGA/HCP4A

The S7211 CDGA/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 12442 lbf and spins at speeds up to 34000 RPM, making it suitable for high-performance applications.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures smooth operation. The bearing operates efficiently in temperatures ranging from -30°C to 110°C, ideal for demanding environments.

With a 15° contact angle and P4A tolerance class, it offers excellent precision and stability. This model is interchangeable with SKF bearings and can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.

Perfect for machine tools, spindles, or other high-speed machinery where accuracy and reliability are crucial. Weighing 0.52kg, it balances strength and lightweight design for optimal performance.

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Product Parameters

  • Part Number S7211 CDGA/HCP4A
  • 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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 9675 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.52 kg
Super Precision Angular Contact Ball Bearings S7211 CDGA/HCP4A dimension drawing
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Features

Performance Features of S7211 CDGA/HCP4A Bearing

S7211 CDGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction during high-speed operation.

With a dynamic radial load capacity of 12442 lbf, it handles demanding tasks efficiently.
Its phenolic cage ensures smooth movement and reduces wear, extending the bearing’s service life.

The sealed design and grease lubrication make S7211 CDGA/HCP4A Bearing suitable for various environments.
It operates at speeds up to 34,000 rpm, maintaining reliability in high-performance settings.

Application

Industrial Uses of S7211 CDGA/HCP4A Bearing
S7211 CDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precision in demanding industrial environments.

Where Is S7211 CDGA/HCP4A Bearing Used?
In automotive applications, S7211 CDGA/HCP4A Bearing supports high-performance gearboxes and electric motors, thanks to its angular contact design. The sealed construction keeps contaminants out, extending service life.

Built for Heavy-Duty Use: S7211 CDGA/HCP4A Bearing
S7211 CDGA/HCP4A Bearing excels in robotics, particularly in robotic arms requiring smooth, precise movement. Its extra light preload minimizes vibration, enhancing accuracy in automated systems.

Medical vs Industrial: Where S7211 CDGA/HCP4A Bearing Excels
S7211 CDGA/HCP4A Bearing is ideal for medical imaging devices, where its low noise and high-speed capabilities are crucial. In industrial settings, it handles radial and axial loads efficiently.

Key Fields for S7211 CDGA/HCP4A Bearing
S7211 CDGA/HCP4A Bearing is a reliable choice for 3D printers, ensuring smooth linear motion with minimal maintenance. The grease lubrication reduces wear, even in continuous operation.

Q&A

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