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Super Precision Angular Contact Ball Bearings S71911 CDTP/HCP4B

Super Precision Angular Contact Ball Bearings S71911 CDTP/HCP4B

The S71911 CDTP/HCP4B is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from chrome steel for durability. Its compact 13mm width makes it suitable for tight spaces, while the ceramic balls enhance performance.

This bearing handles radial loads up to 4388 lbf and reaches speeds of 19,000 RPM, thanks to its phenolic cage and sealed design. The 15° contact angle ensures smooth operation under angular loads, and it comes pre-lubricated for immediate use.

With a P4 tolerance class, it offers high precision for demanding applications. Ideal for machine tools or high-speed spindles where accuracy is crucial. Works in temperatures from -30°C to 110°C.

Weighing just 0.16kg, it’s lightweight yet robust. Interchangeable with SKF bearings, simplifying replacements. The sealed design keeps contaminants out, extending service life.

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Product Parameters

  • Part Number S71911 CDTP/HCP4B
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4388 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 19000 rpm
  • Weight 0.16 kg
  • Price（$） 527.634
Super Precision Angular Contact Ball Bearings S71911 CDTP/HCP4B dimension drawing
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Features

Performance Features of S71911 CDTP/HCP4B Bearing

S71911 CDTP/HCP4B Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage in S71911 CDTP/HCP4B Bearing ensures smooth operation, even at high speeds up to 19,000 rpm.
This bearing maintains precision with a P4 tolerance class, suitable for demanding tasks.

S71911 CDTP/HCP4B Bearing handles dynamic radial loads up to 4388 lbf, offering reliable performance.
Its sealed design and lubrication reduce maintenance needs, extending service life.

The compact 55 mm×80 mm×13 mm size makes S71911 CDTP/HCP4B Bearing ideal for space-constrained applications.
It operates efficiently within a temperature range of -30° to 110 °C.

Application

Key Fields for S71911 CDTP/HCP4B Bearing
S71911 CDTP/HCP4B Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In robotics, S71911 CDTP/HCP4B Bearing provides smooth movement in articulated arms and joints, thanks to its phenolic cage and sealed design. Its P4 tolerance class guarantees consistent performance in automated systems.

For medical imaging devices, S71911 CDTP/HCP4B Bearing’s chrome steel rings and ceramic balls offer reliability and low noise. The lubricated construction ensures long service life in critical applications.

Where Is S71911 CDTP/HCP4B Bearing Used?
S71911 CDTP/HCP4B Bearing fits well in aerospace applications, such as gyroscopes and navigation systems, due to its high-speed capabilities. The matched arrangement option allows for customised preload settings.

In semiconductor manufacturing, S71911 CDTP/HCP4B Bearing supports precision stages and wafer handlers. Its sealed design protects against contaminants, ensuring cleanroom compatibility.

Built for Heavy-Duty Use: S71911 CDTP/HCP4B Bearing
S71911 CDTP/HCP4B Bearing handles heavy radial and axial loads in industrial pumps and compressors. The 15° contact angle distributes forces evenly, enhancing durability.

For electric vehicle motors, S71911 CDTP/HCP4B Bearing’s low friction and high-speed tolerance improve efficiency. The metric dimensions make it easy to integrate into modern designs.

Automotive vs Aerospace: Applications of S71911 CDTP/HCP4B Bearing
In automotive transmissions, S71911 CDTP/HCP4B Bearing ensures smooth gear shifts with its angular contact design. The phenolic cage dampens vibrations for quieter operation.

For aerospace actuators, S71911 CDTP/HCP4B Bearing’s ceramic balls and P4 tolerance provide precision under extreme conditions. Its lightweight construction is ideal for flight-critical components.

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