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Super Precision Angular Contact Ball Bearings S71912 ACD/HCP4AQBCC

Super Precision Angular Contact Ball Bearings S71912 ACD/HCP4AQBCC

The S71912 ACD/HCP4AQBCC is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, designed for high-speed applications. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.

Made from chrome steel rings and ceramic balls, it handles radial loads up to 11115 lbf and spins smoothly at speeds up to 36,000 RPM. The phenolic cage ensures durability, while the sealed design keeps grease in and contaminants out.

Its moderate preload (Class C) provides stability, making it ideal for precision machinery like spindles or CNC equipment. The bearing operates in temperatures from -30°C to 110°C and complies with P4A tolerance standards.

Weighing 0.66kg, it’s a robust choice for demanding environments. The set’s matched arrangement (QBC) ensures consistent performance across all four bearings.

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Product Parameters

  • Part Number S71912 ACD/HCP4AQBCC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 11115 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.66 kg
Super Precision Angular Contact Ball Bearings S71912 ACD/HCP4AQBCC dimension drawing
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Features

Performance Features of S71912 ACD/HCP4AQBCC Bearing

S71912 ACD/HCP4AQBCC Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.

Its 25° contact angle allows for efficient handling of combined radial and axial loads, making it versatile for various applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 36,000 rpm, it excels in high-speed scenarios while maintaining reliability.

How Does S71912 ACD/HCP4AQBCC Bearing Reduce Friction?

S71912 ACD/HCP4AQBCC Bearing uses ceramic balls and a phenolic cage to minimise friction during operation.

The precision-engineered design ensures even load distribution, further reducing wear and tear.

Grease lubrication enhances smooth performance, making it suitable for high-speed applications.

Its moderate preload (Class C) optimises performance without excessive friction.

Designed for Durability: S71912 ACD/HCP4AQBCC Bearing

S71912 ACD/HCP4AQBCC Bearing’s chrome steel rings and ceramic balls provide excellent resistance to wear.

The sealed design protects against contaminants, extending its service life in harsh environments.

With a dynamic radial load capacity of 11,115 lbf, it handles demanding conditions with ease.

Its temperature range of -30°C to 110°C ensures reliable performance in varied climates.

Application

Common Applications of S71912 ACD/HCP4AQBCC Bearing
S71912 ACD/HCP4AQBCC Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In robotics, S71912 ACD/HCP4AQBCC Bearing provides smooth motion control for precision arms and joints, thanks to its moderate preload and angular contact design. Its metric dimensions make it a versatile fit for various automated systems.

For aerospace applications, S71912 ACD/HCP4AQBCC Bearing’s P4A tolerance class ensures reliable operation in navigation and control systems. The chrome steel rings and ceramic balls handle both radial and axial loads with ease.

Where Is S71912 ACD/HCP4AQBCC Bearing Used?
You’ll often find S71912 ACD/HCP4AQBCC Bearing in medical imaging devices, where its quiet operation and precision are essential. The grease lubrication ensures smooth rotation without frequent maintenance.

In electric motors, S71912 ACD/HCP4AQBCC Bearing supports high-speed shafts, reducing energy loss with its low-friction ceramic balls. The matched set of four bearings enhances stability and load distribution.

Built for Heavy-Duty Use: S71912 ACD/HCP4AQBCC Bearing
S71912 ACD/HCP4AQBCC Bearing excels in industrial pumps, handling both radial and angular loads effortlessly. Its temperature range from -30°C to 110°C makes it suitable for varied operating conditions.

The phenolic cage in S71912 ACD/HCP4AQBCC Bearing resists wear in high-vibration environments, like compressors and turbines. This durability makes it a go-to choice for heavy machinery.

Automotive vs Aerospace: Applications of S71912 ACD/HCP4AQBCC Bearing
In automotive systems, S71912 ACD/HCP4AQBCC Bearing is used in high-performance transmissions, where its speed and load capacity shine. The angular contact design manages both thrust and radial forces smoothly.

For aerospace, S71912 ACD/HCP4AQBCC Bearing’s precision and reliability are critical in flight control mechanisms. The ceramic balls reduce weight while maintaining strength, ideal for aircraft components.

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