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Super Precision Angular Contact Ball Bearings S71930 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings S71930 ACDGA/HCP4A

The S71930 ACDGA/HCP4A is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, designed for high-performance applications. Its 25° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 24300 lbf.

The sealed design keeps grease in and contaminants out, while the phenolic cage offers durability. It can handle speeds up to 11000 RPM and temperatures from -30°C to 110°C, making it versatile for various conditions.

With an extra light preload and P4A tolerance class, this bearing delivers exceptional accuracy. It’s ideal for machine tools, spindles, or other high-precision equipment where reliability is key.

Weighing 2.1kg, it’s robust yet manageable. The bearing is interchangeable with SKF models and comes in matched sets for back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number S71930 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 28 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 24300 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.1 kg
Super Precision Angular Contact Ball Bearings S71930 ACDGA/HCP4A dimension drawing
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Features

Performance Features of S71930 ACDGA/HCP4A Bearing

S71930 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
The 25° contact angle allows it to handle both radial and axial loads efficiently.

Its phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 24,300 lbf, it suits demanding applications.

The sealed design and grease lubrication minimise maintenance needs while extending service life.
It operates smoothly at speeds up to 11,000 rpm, balancing speed and reliability.

S71930 ACDGA/HCP4A Bearing works in temperatures from -30°C to 110°C, adapting to various environments.
Its P4A tolerance class ensures consistent precision in high-performance settings.

Application

Industrial Uses of S71930 ACDGA/HCP4A Bearing
S71930 ACDGA/HCP4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

In robotics, S71930 ACDGA/HCP4A Bearing provides smooth motion control in articulated arms, thanks to its phenolic cage and sealed design. The extra light preload also minimises vibration, enhancing precision in automated tasks.

For aerospace components, S71930 ACDGA/HCP4A Bearing’s P4A tolerance class guarantees reliability in critical systems like actuators. Its grease lubrication ensures consistent performance even under extreme temperature variations.

Where Is S71930 ACDGA/HCP4A Bearing Used?
You’ll often find S71930 ACDGA/HCP4A Bearing in medical imaging devices, where its low friction and high-speed capability are essential. The chrome steel rings add durability, ensuring long service life in demanding environments.

In electric vehicle motors, S71930 ACDGA/HCP4A Bearing supports high rotational speeds while maintaining efficiency. The sealed design also protects against contaminants, making it a reliable choice for automotive applications.

Built for Heavy-Duty Use: S71930 ACDGA/HCP4A Bearing
S71930 ACDGA/HCP4A Bearing excels in industrial pumps, handling both radial and thrust loads with ease. Its ceramic balls and phenolic cage reduce wear, extending maintenance intervals.

For CNC machinery, S71930 ACDGA/HCP4A Bearing’s high dynamic load capacity ensures precision cutting and milling. The P4A tolerance class further enhances its suitability for demanding manufacturing processes.

Automotive vs Aerospace: Applications of S71930 ACDGA/HCP4A Bearing
In automotive systems, S71930 ACDGA/HCP4A Bearing is used in turbochargers, where its high-speed capability and temperature resistance are crucial. The sealed design also prevents lubricant leakage.

For aerospace, S71930 ACDGA/HCP4A Bearing’s lightweight construction and precision make it ideal for flight control systems. The ceramic balls reduce weight while maintaining strength, a key factor in aircraft performance.

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