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Super Precision Angular Contact Ball Bearings 71930 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 71930 ACDGC/P4A

The 71930 ACDGC/P4A is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, crafted from durable chrome steel. Its 25° contact angle efficiently handles combined radial and axial loads, making it versatile for high-precision applications.

This bearing supports dynamic radial loads up to 24300 lbf and reaches speeds of 11000 RPM, thanks to its phenolic cage and lubricated design. The P4A tolerance class ensures exceptional accuracy for demanding setups.

Its open structure allows easy lubrication, while the moderate preload (Class C) balances performance and longevity. The bearing operates smoothly in temperatures from -30°C to 110°C.

Ideal for machine tools or spindle systems, it can be paired in back-to-back, face-to-face, or tandem arrangements. Weighing 2.5kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for hassle-free replacements.

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Product Parameters

  • Part Number 71930 ACDGC/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 Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • 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 Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.5 kg
Super Precision Angular Contact Ball Bearings 71930 ACDGC/P4A dimension drawing
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Features

Performance Features of 71930 ACDGC/P4A Bearing

71930 ACDGC/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure strength and durability under high radial loads.

The phenolic cage in 71930 ACDGC/P4A Bearing maintains ball alignment, reducing friction and wear.
With a maximum speed of 11,000 rpm, it delivers smooth and efficient operation.

71930 ACDGC/P4A Bearing operates reliably in temperatures ranging from -30°C to 110°C.
Its moderate preload (Class C) enhances stability and precision in demanding conditions.

The open design of 71930 ACDGC/P4A Bearing allows for easy lubrication, ensuring long service life.
Its dynamic radial load capacity of 24,300 lbf makes it suitable for heavy-duty applications.

Application

Key Fields for 71930 ACDGC/P4A Bearing
71930 ACDGC/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In aerospace applications, 71930 ACDGC/P4A Bearing supports critical components like turbine shafts, thanks to its high-speed capability and reliable performance. The phenolic cage reduces friction, making it suitable for demanding flight conditions.

For automation systems, 71930 ACDGC/P4A Bearing is ideal for robotic arms, providing smooth motion control with minimal vibration. Its chrome steel construction ensures long service life even in continuous operation.

Medical imaging devices benefit from 71930 ACDGC/P4A Bearing’s precision, ensuring quiet and consistent performance in sensitive environments. The P4A tolerance class guarantees the accuracy needed for diagnostic equipment.

In electric motors, 71930 ACDGC/P4A Bearing handles both radial and axial loads efficiently, making it a versatile choice for various industrial applications. The open design allows for easy lubrication and maintenance.

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