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Super Precision Angular Contact Ball Bearings 71948 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71948 ACDGA/P4A

The 71948 ACDGA/P4A is a super precision angular contact ball bearing with a 240mm bore and 320mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 48600 lbf and operates smoothly at speeds up to 7500 RPM.

Its 25° contact angle and extra light preload ensure precise performance in demanding applications. The open design allows for easy lubrication, while the phenolic cage offers durability and reduced friction.

This bearing is suitable for temperatures ranging from -30°C to 110°C and comes in a matched set of three for versatile mounting options (back-to-back, face-to-face, or tandem). Ideal for high-precision machinery like spindles or CNC equipment.

Weighing 8.5kg, it’s robust yet designed for precision. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 71948 ACDGA/P4A
  • 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 Chrome Steel
  • 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 8.5 kg
  • Price（$） 1766.214
Super Precision Angular Contact Ball Bearings 71948 ACDGA/P4A dimension drawing
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Features

Performance Features of 71948 ACDGA/P4A Bearing

71948 ACDGA/P4A Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 25° contact angle ensures optimal performance in angular contact load applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 48,600 lbf, it handles demanding conditions reliably.

71948 ACDGA/P4A Bearing operates efficiently at speeds up to 7,500 rpm, balancing speed and stability.
Its P4A tolerance class guarantees precision, making it suitable for high-accuracy machinery.

The open design allows for easy lubrication, ensuring consistent performance over time.
Its temperature range of -30°C to 110°C ensures adaptability in various environments.

Application

Key Fields for 71948 ACDGA/P4A Bearing
71948 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71948 ACDGA/P4A Bearing provides smooth motion control for articulated arms and automated systems. Its extra-light preload helps maintain precision in repetitive tasks without compromising durability.

For aerospace applications, 71948 ACDGA/P4A Bearing’s chrome steel construction offers reliability in components like landing gear systems. The P4A tolerance class ensures consistent performance under demanding conditions.

In medical imaging devices, 71948 ACDGA/P4A Bearing supports rotational mechanisms with minimal vibration. The open seal design allows for easy lubrication, extending service life in critical environments.

Q&A

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