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Super Precision Angular Contact Ball Bearings S71911 CB/HCP4ADBA

Super Precision Angular Contact Ball Bearings S71911 CB/HCP4ADBA

The S71911 CB/HCP4ADBA is a super precision angular contact ball bearing, measuring 55mm by 80mm by 26mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 15° contact angle and sealed design, it handles radial loads up to 3668 lbf and spins at speeds up to 34,000 RPM. The phenolic cage ensures quiet performance and long service life.

This matched set of two bearings comes with extra light preload for precise alignment. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing 0.36kg, it operates in temperatures from -30°C to 110°C and is interchangeable with SKF bearings. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number S71911 CB/HCP4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 3668 lbf
  • Static Radial Load 3668 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.36 kg
Super Precision Angular Contact Ball Bearings S71911 CB/HCP4ADBA dimension drawing
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Features

Performance Features of S71911 CB/HCP4ADBA Bearing

S71911 CB/HCP4ADBA 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 for smoother operation.

Its extra light preload (Class A) ensures minimal resistance, ideal for high-speed performance up to 34,000 rpm.
The sealed design and grease lubrication maintain consistent performance in varied temperature conditions (-30°C to 110°C).

With a matched arrangement of 2 bearings (DB), it provides balanced radial load capacity of 3668 lbf.
The phenolic cage keeps the 28 ceramic balls aligned, ensuring stability and extended service life.

Application

Common Applications of S71911 CB/HCP4ADBA Bearing
S71911 CB/HCP4ADBA Bearing is widely used in high-speed machine tools, where its precision and ceramic balls ensure smooth operation. The sealed design keeps contaminants out, making it ideal for demanding environments.

In robotics, S71911 CB/HCP4ADBA Bearing supports articulated arms, providing stability and low friction. The matched arrangement of two bearings enhances load distribution for better performance.

For medical imaging devices, S71911 CB/HCP4ADBA Bearing’s phenolic cage and grease lubrication offer quiet, reliable operation. Its P4A tolerance class ensures the accuracy needed for sensitive equipment.

In automotive electric motors, S71911 CB/HCP4ADBA Bearing handles high speeds with ease, thanks to its ceramic balls. The extra light preload reduces friction, improving efficiency and longevity.

For 3D printers, S71911 CB/HCP4ADBA Bearing’s angular contact design ensures precise movement of print heads. The sealed construction protects against dust, maintaining consistent performance over time.

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