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Super Precision Angular Contact Ball Bearings 71948 CDGB/P4A

Super Precision Angular Contact Ball Bearings 71948 CDGB/P4A

The 71948 CDGB/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.

Its 15° contact angle and light preload ensure precise performance, while the phenolic cage offers durability. The open design allows for easy lubrication, making maintenance straightforward.

This bearing is ideal for high-precision applications like machine tool spindles or industrial equipment. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing 8.5kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71948 CDGB/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 Light / Class B
  • 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 CDGB/P4A dimension drawing
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Features

Performance Features of 71948 CDGB/P4A Bearing

71948 CDGB/P4A Bearing is crafted with chrome steel rings and balls, offering excellent resistance to radial and angular loads.
Its dynamic radial load capacity of 51525 lbf ensures reliable operation in high-performance applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing longevity.
With a maximum speed of 7,500 rpm, it delivers smooth and efficient performance.

71948 CDGB/P4A Bearing operates in temperatures from -30°C to 110°C, suitable for varied environments.
Its light preload and P4A tolerance class ensure precision and stability.

The open design allows for easy lubrication, reducing maintenance needs.
Its universal matching capability makes it versatile for different configurations.

Application

Industrial Uses of 71948 CDGB/P4A Bearing
71948 CDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

In automotive testing equipment, 71948 CDGB/P4A Bearing provides reliable performance under dynamic radial loads, such as in dynamometers. Its chrome steel construction handles high speeds while maintaining stability.

For aerospace components, 71948 CDGB/P4A Bearing’s phenolic cage and open design work well in gearbox systems. The 15° contact angle balances thrust and radial loads effectively.

Where Is 71948 CDGB/P4A Bearing Used?
You’ll find 71948 CDGB/P4A Bearing in industrial robots, particularly in rotary joints requiring smooth motion. Its metric sizing and universal matching options offer flexibility in design.

The bearing also fits well in large-scale printing presses, where precision alignment is key. The lubricated setup ensures long service life even under continuous operation.

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