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Super Precision Angular Contact Ball Bearings 71930 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71930 ACDGA/HCP4A

The 71930 ACDGA/HCP4A is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, measuring 28mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 24300 lbf and spins at speeds up to 11000 RPM, ideal for high-performance applications. The phenolic cage ensures stability, while the open design allows easy lubrication.

With a 25° contact angle, this bearing is perfect for precise angular load handling. It operates in temperatures from -30°C to 110°C and comes in a P4A tolerance class for accuracy.

This model is interchangeable with SKF bearings and can be used in matched sets for back-to-back, face-to-face, or tandem arrangements. Suitable for machine tools or precision equipment where reliability is key. Weighing 2.08kg, it balances strength and precision.

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Product Parameters

  • Part Number 71930 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 Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.08 kg
Super Precision Angular Contact Ball Bearings 71930 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 71930 ACDGA/HCP4A Bearing

71930 ACDGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 11,000 rpm.
With a dynamic radial load capacity of 24,300 lbf, it handles demanding conditions reliably.

71930 ACDGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class guarantees consistent performance in high-accuracy applications.

The open design allows for easy lubrication, extending maintenance intervals.
Weighing 2.08 kg, it balances strength and practicality for industrial use.

Application

Common Applications of 71930 ACDGA/HCP4A Bearing
71930 ACDGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance class ensures exceptional precision for demanding operations.

In aerospace applications, 71930 ACDGA/HCP4A Bearing supports critical components like turbine shafts, thanks to its ability to handle both radial and angular loads. The extra light preload makes it ideal for smooth, high-speed rotation.

For robotics, 71930 ACDGA/HCP4A Bearing’s open design and universal matching options allow flexible configurations in robotic arms. Its chrome steel rings provide durability while maintaining low weight for efficient movement.

In medical imaging devices, 71930 ACDGA/HCP4A Bearing’s consistent performance and low noise are crucial for accurate diagnostics. The ceramic balls also minimise wear, extending the bearing’s lifespan in continuous-use scenarios.

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