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Super Precision Angular Contact Ball Bearings S71912 CB/HCP4A

Super Precision Angular Contact Ball Bearings S71912 CB/HCP4A

The S71912 CB/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. Its compact 13mm width makes it suitable for space-sensitive applications.

With a 15° contact angle and ceramic balls, it handles radial loads up to 2340 lbf and spins smoothly at speeds up to 26,000 RPM. The phenolic cage ensures quiet operation and long service life.

Sealed for protection, this bearing comes pre-lubricated and is available with preload or matched arrangements for precise alignment. It performs reliably in temperatures from -30°C to 110°C.

Ideal for high-speed machinery like spindles or CNC equipment, it meets P4 tolerance standards for exceptional accuracy. Weighing just 0.19kg, it’s a lightweight yet robust choice for demanding applications.

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Product Parameters

  • Part Number S71912 CB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 30
  • 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 2340 lbf
  • Static Radial Load 1980 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 26000 rpm
  • Weight 0.19 kg
  • Price（$） 61.758
Super Precision Angular Contact Ball Bearings S71912 CB/HCP4A dimension drawing
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Features

Performance Features of S71912 CB/HCP4A Bearing

S71912 CB/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 26,000 rpm, it is suitable for high-speed applications.

S71912 CB/HCP4A Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its sealed design keeps contaminants out, ensuring reliable operation in various environments.

Application

Industrial Uses of S71912 CB/HCP4A Bearing
S71912 CB/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for continuous operation.

In robotics, S71912 CB/HCP4A Bearing provides smooth movement for articulated arms, thanks to its phenolic cage and sealed design. This helps maintain performance in automated assembly lines.

For medical imaging devices, S71912 CB/HCP4A Bearing’s P4 tolerance class delivers the reliability needed for precise positioning. Its chrome steel rings offer durability in demanding clinical environments.

Where Is S71912 CB/HCP4A Bearing Used?
You’ll find S71912 CB/HCP4A Bearing in CNC machining centres, where its 15° contact angle handles combined loads effectively. The lubricated design also extends service life.

In electric vehicle motors, S71912 CB/HCP4A Bearing supports high-speed shafts with minimal vibration. Its ceramic balls help reduce energy loss, improving efficiency.

Built for Heavy-Duty Use: S71912 CB/HCP4A Bearing
S71912 CB/HCP4A Bearing excels in industrial pumps, where its sealed construction protects against contaminants. The matched arrangement option ensures consistent performance.

For aerospace applications, S71912 CB/HCP4A Bearing’s lightweight phenolic cage and high-speed capability make it a reliable choice. Its temperature range suits both ground and flight conditions.

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