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Super Precision Angular Contact Ball Bearings S71930 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S71930 ACDGA/P4A

The S71930 ACDGA/P4A is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 24300 lbf and operates smoothly at speeds up to 11000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, efficient performance. The 25° contact angle provides excellent stability for angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or medical equipment. It works in temperatures from -30°C to 110°C and comes pre-lubricated with grease for easy installation.

Weighing 2.5kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements. Suitable for back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number S71930 ACDGA/P4A
  • 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 Chrome Steel
  • 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 2.5 kg
Super Precision Angular Contact Ball Bearings S71930 ACDGA/P4A dimension drawing
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Features

Performance Features of S71930 ACDGA/P4A Bearing

S71930 ACDGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, suitable for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 24300 lbf, it handles demanding applications with ease.

S71930 ACDGA/P4A Bearing operates efficiently at speeds up to 11,000 rpm, balancing speed and reliability.
Its sealed design and grease lubrication reduce maintenance needs, making it a practical choice.

The P4A tolerance class ensures tight precision, ideal for high-accuracy machinery requirements.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

Application

Super Precision Angular Contact Ball Bearings S71930 ACDGA/P4A are commonly used in high-precision machine tools, where their 25° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in demanding environments.
In robotics, S71930 ACDGA/P4A Bearings provide smooth motion control for articulated arms, thanks to their extra-light preload and phenolic cage. Their high-speed capability makes them suitable for automated assembly lines.
For medical imaging devices like CT scanners, S71930 ACDGA/P4A Bearings offer reliable performance with minimal vibration. The chrome steel construction ensures durability under continuous operation.
Aerospace applications benefit from S71930 ACDGA/P4A Bearings’ precision and temperature stability, particularly in flight control systems. Their P4A tolerance class guarantees consistent performance in critical conditions.
In electric vehicle motors, S71930 ACDGA/P4A Bearings handle high rotational speeds while maintaining low noise levels. The grease lubrication ensures smooth operation over a wide temperature range.

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