Super Precision Angular Contact Ball Bearings 7211 CD/HCP4ADBA

Super Precision Angular Contact Ball Bearings 7211 CD/HCP4ADBA

The 7211 CD/HCP4ADBA is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 20340 lbf.

The matched pair arrangement (DB) with extra light preload offers excellent stability and reduced vibration. The phenolic cage and chrome steel rings provide durability, while the open design allows easy lubrication.

With a maximum speed of 34000 RPM, this bearing is ideal for machine tools or spindles where precision is key. It operates efficiently in temperatures from -30°C to 110°C.

Weighing 1.01kg, it’s a robust yet lightweight option for demanding industrial environments. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7211 CD/HCP4ADBA
  • 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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 20340 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.01 kg

Features

Performance Features of 7211 CD/HCP4ADBA Bearing

7211 CD/HCP4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability and reduce friction during high-speed operation.

With a dynamic radial load capacity of 20,340 lbf, it handles demanding conditions reliably.
The phenolic cage ensures smooth performance, even at speeds up to 34,000 rpm.

Its extra light preload (Class A) minimises vibration, making it suitable for precision tasks.
The open design allows for easy lubrication, maintaining efficiency over time.

The matched arrangement of two bearings (DB) provides stability in complex load scenarios.
Operating between -30°C to 110°C, it performs consistently in varied environments.

Application

Key Fields for 7211 CD/HCP4ADBA Bearing
In machine tools, 7211 CD/HCP4ADBA Bearing excels with its 15° contact angle, providing stability for high-speed spindle operations. The ceramic balls reduce friction, making it ideal for precision grinding applications.

Where Is 7211 CD/HCP4ADBA Bearing Used?
You’ll often find 7211 CD/HCP4ADBA Bearing in automotive transmissions, where its matched arrangement ensures smooth power transfer. The extra light preload helps maintain accuracy even under varying loads.

Built for Heavy-Duty Use: 7211 CD/HCP4ADBA Bearing
This bearing’s phenolic cage handles high RPMs in industrial pumps, while the P4A tolerance guarantees consistent performance. Its chrome steel rings offer durability in demanding environments.

Medical vs Industrial: Where 7211 CD/HCP4ADBA Bearing Excels
In medical imaging devices, 7211 CD/HCP4ADBA Bearing’s low heat generation is crucial for precision. For industrial robotics, its angular contact design supports precise movement in automated arms.

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