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Super Precision Angular Contact Ball Bearings 71928 ACD/HCP4ALDGA

Super Precision Angular Contact Ball Bearings 71928 ACD/HCP4ALDGA

The 71928 ACD/HCP4ALDGA is a super precision angular contact ball bearing with a 140mm bore and 190mm outer diameter, designed for high-performance applications. Its 25° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 32850 lbf.

The bearing features a phenolic cage for durability and can handle speeds up to 11000 RPM. Its universal matching design allows flexible arrangements like back-to-back or face-to-face, making it versatile for various setups.

With a temperature range of -30°C to 110°C, it suits demanding environments like machine tools or aerospace systems. The extra light preload ensures minimal friction, enhancing efficiency.

Weighing 2.77kg, this bearing is robust yet precise, meeting P4A tolerance standards. Its interchangeable design with SKF models makes it a reliable choice for replacements.

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Product Parameters

  • Part Number 71928 ACD/HCP4ALDGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 32850 lbf
  • Static Radial Load 49500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.77 kg
Super Precision Angular Contact Ball Bearings 71928 ACD/HCP4ALDGA dimension drawing
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Features

Performance Features of 71928 ACD/HCP4ALDGA Bearing

71928 ACD/HCP4ALDGA Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 25° contact angle ensures optimal load distribution for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 32,850 lbf, it handles demanding conditions efficiently.

71928 ACD/HCP4ALDGA Bearing operates smoothly at speeds up to 11,000 rpm, balancing speed and reliability.
Its universal matching design allows flexible arrangement options for various setups.

The extra light preload (Class A) ensures minimal friction and precise operation.
Its temperature range of -30°C to 110°C makes it suitable for diverse environments.

Lubrication is already applied, simplifying initial setup and reducing maintenance needs.
The P4A tolerance class guarantees consistent performance in high-precision applications.

Application

Industrial Uses of 71928 ACD/HCP4ALDGA Bearing
71928 ACD/HCP4ALDGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In aerospace applications, 71928 ACD/HCP4ALDGA Bearing supports critical components like turbine shafts, thanks to its extra light preload and universal matching. The phenolic cage adds durability in demanding environments.

For automation systems, 71928 ACD/HCP4ALDGA Bearing excels in robotic arms, providing smooth movement under radial loads. Its P4A tolerance class guarantees consistent performance in repetitive tasks.

Medical imaging devices benefit from 71928 ACD/HCP4ALDGA Bearing’s precision, ensuring reliable operation in scanners. The chrome steel rings and ceramic balls offer long-lasting performance.

Q&A

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