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Super Precision Angular Contact Ball Bearings 71948 CDGA/P4A

Super Precision Angular Contact Ball Bearings 71948 CDGA/P4A

The 71948 CDGA/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 51525 lbf and operates smoothly at speeds up to 7500 RPM.

With a 15° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for high-precision machinery like CNC spindles or grinding equipment. It works well in temperatures from -30°C to 110°C and comes lubricated for immediate use.

Weighing 8.5kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements. Suitable for back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number 71948 CDGA/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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 51525 lbf
  • Static Radial Load 73125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 8.5 kg
Super Precision Angular Contact Ball Bearings 71948 CDGA/P4A dimension drawing
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Features

Performance Features of 71948 CDGA/P4A Bearing

71948 CDGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 51525 lbf, it performs reliably under demanding conditions.

71948 CDGA/P4A Bearing operates smoothly at speeds up to 7,500 rpm, balancing speed and stability.
Its extra light preload ensures minimal friction, making it ideal for precision applications.

The open design and lubricated construction simplify maintenance while ensuring long service life.
With a temperature range of -30°C to 110°C, it adapts well to varying operational environments.

Application

Industrial Uses of 71948 CDGA/P4A Bearing
71948 CDGA/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 material reduces friction, making it suitable for high-speed operations.

In aerospace applications, 71948 CDGA/P4A Bearing supports critical components like turbine shafts, thanks to its extra light preload and P4A tolerance class. Its chrome steel construction provides durability in demanding environments.

For automation systems, 71948 CDGA/P4A Bearing excels in robotic arms and CNC machines, where consistent performance is key. The open seal type allows for easy lubrication, extending its service life.

Medical imaging devices benefit from 71948 CDGA/P4A Bearing’s precision and reliability, ensuring smooth operation in sensitive equipment. The wide temperature range makes it versatile for various clinical settings.

Q&A

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