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Super Precision Angular Contact Ball Bearings 71930 ACD/P4AQGA

Super Precision Angular Contact Ball Bearings 71930 ACD/P4AQGA

The 71930 ACD/P4AQGA is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, crafted from durable chrome steel. It measures 150mm×210mm×112mm, offering a compact yet robust design for high-performance applications.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting dynamic radial loads up to 64350 lbf. Its extra-light preload ensures smooth operation at speeds up to 11000 RPM, ideal for precision machinery.

The open design and phenolic cage provide excellent heat resistance and durability, suitable for temperatures from -30°C to 110°C. Its universal matching capability allows flexible arrangements like back-to-back or face-to-face setups.

This bearing is interchangeable with SKF models and comes in a matched set of four, making it perfect for applications like machine tool spindles or high-speed robotics. Weighing 10kg, it balances strength and precision for demanding environments.

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Product Parameters

  • Part Number 71930 ACD/P4AQGA
  • 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 112 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 Universal matching
  • Number Of Bearings In Matched Set 4
  • 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 64350 lbf
  • Static Radial Load 112500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 10 kg
Super Precision Angular Contact Ball Bearings 71930 ACD/P4AQGA dimension drawing
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Features

Performance Features of 71930 ACD/P4AQGA Bearing

71930 ACD/P4AQGA Bearing is crafted with chrome steel rings and balls, offering high precision and durability.

Its 25° contact angle ensures optimal load distribution, making it suitable for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a dynamic radial load capacity of 64,350 lbf, it handles demanding conditions efficiently.

How Does 71930 ACD/P4AQGA Bearing Ensure Smooth Operation?

71930 ACD/P4AQGA Bearing’s universal matching design allows flexible arrangement in back-to-back or face-to-face configurations.

The extra light preload (Class A) minimises friction, ensuring smooth and quiet operation.

Its high-speed capability of 11,000 rpm makes it ideal for precision machinery.

The open seal type facilitates easy lubrication, maintaining consistent performance.

Engineered for Precision: 71930 ACD/P4AQGA Bearing

71930 ACD/P4AQGA Bearing meets P4A tolerance class standards, ensuring exceptional accuracy.

The 23 chrome steel balls, each 19.05 mm in diameter, provide balanced load distribution.

Its temperature range of -30°C to 110°C ensures reliability in various operating conditions.

Weighing 10 kg, it combines robust construction with precision engineering.

Steel vs Ceramic Bearings: Strengths of 71930 ACD/P4AQGA Bearing

71930 ACD/P4AQGA Bearing uses chrome steel for both rings and balls, offering superior strength and wear resistance.

Compared to ceramic options, it provides better cost-efficiency without compromising on performance.

The phenolic cage adds durability while reducing weight, enhancing overall efficiency.

Its static radial load capacity of 112,500 lbf ensures long-term reliability in heavy-duty applications.

Application

Industrial Uses of 71930 ACD/P4AQGA Bearing
71930 ACD/P4AQGA Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The phenolic cage offers stability at high speeds, making it suitable for demanding industrial environments.

Where Is 71930 ACD/P4AQGA Bearing Used?
In automotive applications, 71930 ACD/P4AQGA Bearing supports components like high-performance gearboxes and electric motor shafts. Its universal matching design allows for flexible arrangements, enhancing durability in varied load conditions.

Built for Heavy-Duty Use: 71930 ACD/P4AQGA Bearing
For automation systems, 71930 ACD/P4AQGA Bearing is ideal for robotic arms and CNC machines, thanks to its extra light preload and P4A tolerance class. The chrome steel construction ensures long-lasting performance even under continuous operation.

Medical vs Industrial: Where 71930 ACD/P4AQGA Bearing Excels
In medical imaging devices, 71930 ACD/P4AQGA Bearing provides smooth and quiet operation, crucial for precision diagnostics. Meanwhile, its robust design also makes it a reliable choice for heavy industrial equipment like compressors and pumps.

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