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Super Precision Angular Contact Ball Bearings 71948 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71948 ACDGA/HCP4A

The 71948 ACDGA/HCP4A is a super precision angular contact ball bearing with a 240mm bore and 320mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 48600 lbf and spins smoothly at speeds up to 7500 RPM.

Its 25° contact angle and ceramic balls reduce friction, while the phenolic cage ensures quiet operation. The bearing comes pre-lubricated and works in temperatures from -30°C to 110°C.

Designed for precision applications, it’s ideal for machine tools or high-speed spindles. The P4A tolerance class guarantees accuracy, and its universal matching allows flexible arrangements like back-to-back or tandem.

Weighing 5.98kg, it’s robust yet suitable for demanding environments. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71948 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 320 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 38 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 31
  • 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 48600 lbf
  • Static Radial Load 68625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 5.98 kg
Super Precision Angular Contact Ball Bearings 71948 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 71948 ACDGA/HCP4A Bearing

71948 ACDGA/HCP4A Bearing features a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction during operation.

With a dynamic radial load capacity of 48,600 lbf, it handles demanding conditions with ease.
The phenolic cage ensures smooth performance, even at high speeds up to 7,500 rpm.

Designed for precision, 71948 ACDGA/HCP4A Bearing maintains tight tolerances for reliable performance.
Its open seal type allows for easy lubrication, extending service life in various environments.

The extra light preload class A ensures minimal friction and optimal efficiency.
This bearing is ideal for applications requiring high precision and long-lasting reliability.

Application

Key Fields for 71948 ACDGA/HCP4A Bearing
71948 ACDGA/HCP4A 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, 71948 ACDGA/HCP4A Bearing handles radial and axial loads in turbine systems, thanks to its robust chrome steel construction. The phenolic cage offers lightweight durability, ideal for flight-critical components.

For robotics, 71948 ACDGA/HCP4A Bearing provides smooth motion in articulated arms, with its P4A tolerance class ensuring minimal vibration. The extra light preload enhances precision in repetitive tasks.

Medical imaging devices benefit from 71948 ACDGA/HCP4A Bearing’s consistent performance, where its open design allows for easy lubrication. The wide temperature range ensures reliability in various clinical environments.

Q&A

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