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Super Precision Angular Contact Ball Bearings 7211 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7211 CDGA/HCP4A

The 7211 CDGA/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 12442 lbf and spins at speeds up to 34000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduced friction.

Designed for extra light preload, it offers precise movement in setups like back-to-back or face-to-face arrangements. The open seal allows easy lubrication and maintenance.

Ideal for machine tools or precision equipment, it operates in temperatures from -30°C to 110°C. Weighing 0.51kg, it’s a reliable choice for demanding industrial uses. Compliant with P4A tolerance standards.

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Product Parameters

  • Part Number 7211 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 Open
  • 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 Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.51 kg
Super Precision Angular Contact Ball Bearings 7211 CDGA/HCP4A dimension drawing
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Features

Performance Features of 7211 CDGA/HCP4A Bearing

7211 CDGA/HCP4A Bearing is designed with a 15° contact angle, ideal for precision angular contact applications.
The chrome steel rings and ceramic balls ensure smooth operation and reduced friction.

With a dynamic radial load capacity of 12442 lbf, it handles demanding tasks efficiently.
Its phenolic cage maintains ball alignment, enhancing durability and performance.

The bearing operates at speeds up to 34,000 rpm, making it suitable for high-speed applications.
Its temperature range of -30°C to 110°C ensures reliability in various environments.

7211 CDGA/HCP4A Bearing comes pre-lubricated, reducing maintenance needs.
The P4A tolerance class guarantees precision and consistent performance.

Application

Key Fields for 7211 CDGA/HCP4A Bearing
In machine tools, 7211 CDGA/HCP4A Bearing ensures high precision during high-speed operations, thanks to its ceramic balls and phenolic cage. The 15° contact angle provides excellent radial and axial load support.
For automotive applications, 7211 CDGA/HCP4A Bearing is often used in gearboxes and electric motors, where its extra light preload enhances efficiency. The P4A tolerance class guarantees consistent performance under demanding conditions.

Why Is 7211 CDGA/HCP4A Bearing Essential in Machinery?
This bearing excels in robotics, particularly in robotic arms requiring smooth, precise movements. Its chrome steel rings and ceramic balls reduce friction, extending service life.
In medical imaging devices, 7211 CDGA/HCP4A Bearing’s low heat generation and high-speed capability ensure reliable operation. The open design allows for easy lubrication maintenance.

Built for Heavy-Duty Use: 7211 CDGA/HCP4A Bearing
Industrial pumps benefit from 7211 CDGA/HCP4A Bearing’s ability to handle both radial and axial loads simultaneously. The phenolic cage resists wear in harsh environments.
For automation systems, this bearing’s universal matching feature simplifies installation in back-to-back or face-to-face configurations. The metric sizing ensures compatibility with various equipment.

Automotive vs Aerospace: Applications of 7211 CDGA/HCP4A Bearing
In automotive transmissions, 7211 CDGA/HCP4A Bearing’s high-speed capability and low friction improve fuel efficiency. The ceramic balls reduce wear under heavy loads.
Aerospace applications leverage this bearing’s precision in flight control systems, where reliability is critical. The wide temperature range ensures performance in extreme conditions.

Perfect Fit for Automation: 7211 CDGA/HCP4A Bearing
3D printers use 7211 CDGA/HCP4A Bearing for its smooth motion and high positional accuracy. The extra light preload minimizes resistance during delicate operations.
In conveyor systems, this bearing’s dynamic load capacity ensures long-term reliability. The open seal design allows for easy inspection and relubrication.

Q&A

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