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Super Precision Angular Contact Ball Bearings S71912 ACB/HCP4ADGB

Super Precision Angular Contact Ball Bearings S71912 ACB/HCP4ADGB

The S71912 ACB/HCP4ADGB is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 3578 lbf.

Sealed for protection, this bearing comes pre-greased and handles speeds up to 36,000 RPM. The phenolic cage adds stability, while the P4A tolerance class guarantees high precision.

Designed for universal matching, it works in back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like spindles or CNC machinery where accuracy is key.

Weighing 0.38kg, it operates in temperatures from -30°C to 110°C. This model is interchangeable with SKF bearings, offering a reliable alternative for precision setups.

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Product Parameters

  • Part Number S71912 ACB/HCP4ADGB
  • 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 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 30
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3578 lbf
  • Static Radial Load 3735 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings S71912 ACB/HCP4ADGB dimension drawing
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Features

How Does S71912 ACB/HCP4ADGB Bearing Achieve High-Speed Precision?

S71912 ACB/HCP4ADGB Bearing features a 25° contact angle, optimised for high-speed angular contact applications.
Its ceramic balls and chrome steel rings reduce friction, enabling smooth operation at up to 36,000 rpm.

The phenolic cage ensures stability, while the sealed design protects against contaminants.
With universal matching, it supports various configurations like back-to-back or face-to-face arrangements.

Light preload (Class B) enhances precision, making it ideal for demanding tasks.
Its P4A tolerance class guarantees consistent performance in critical applications.

Application

Industrial Uses of S71912 ACB/HCP4ADGB Bearing
S71912 ACB/HCP4ADGB Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding industrial settings.

What Makes S71912 ACP4ADGB Bearing a Preferred Choice?
In precision robotics, S71912 ACB/HCP4ADGB Bearing offers smooth motion control due to its 25° contact angle and light preload. Its universal matching feature allows flexible arrangement, making it ideal for complex automated systems.

Built for Heavy-Duty Use: S71912 ACB/HCP4ADGB Bearing
This bearing handles radial and axial loads effortlessly in applications like CNC lathes, where consistent accuracy is key. The P4A tolerance class ensures reliable operation even under tight precision requirements.

Medical vs Industrial: Where S71912 ACB/HCP4ADGB Bearing Excels
While S71912 ACB/HCP4ADGB Bearing performs well in industrial gearboxes, its ceramic balls also make it suitable for medical imaging devices. The grease lubrication ensures quiet operation, critical in sensitive environments.

How Does S71912 ACB/HCP4ADGB Bearing Support High-Speed Operations?
With a max speed of 36,000 rpm, S71912 ACB/HCP4ADGB Bearing is perfect for turbochargers and small turbine systems. The chrome steel rings provide durability, while the ceramic balls minimize wear at high velocities.

Q&A

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