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Super Precision Angular Contact Ball Bearings 71948 CD/P4ADGC

Super Precision Angular Contact Ball Bearings 71948 CD/P4ADGC

The 71948 CD/P4ADGC is a super precision angular contact ball bearing with a 240mm bore and 320mm outer diameter, crafted from durable chrome steel. It manages radial loads up to 83475 lbf and operates smoothly at speeds up to 7500 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for high-precision setups. The phenolic cage ensures quiet, long-lasting performance even under moderate preload.

This bearing suits demanding applications like machine tool spindles or high-speed robotics, where accuracy is key. It works in temperatures from -30°C to 110°C and comes lubricated for immediate use.

Weighing 17kg, this matched set of two bearings offers reliable interchangeability with SKF models. Its P4A tolerance class guarantees exceptional precision for industrial use.

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Product Parameters

  • Part Number 71948 CD/P4ADGC
  • 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 76 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 83475 lbf
  • Static Radial Load 144000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 17 kg
Super Precision Angular Contact Ball Bearings 71948 CD/P4ADGC dimension drawing
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Features

Why Choose 71948 CD/P4ADGC Bearing for Precision Tasks?

71948 CD/P4ADGC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 83475 lbf, it handles demanding conditions reliably.

The universal matching design allows flexible arrangements, including back-to-back or face-to-face configurations.

Application

Common Applications of 71948 CD/P4ADGC Bearing
71948 CD/P4ADGC Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The universal matching design allows flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71948 CD/P4ADGC Bearing supports critical components like turbine shafts, thanks to its moderate preload and phenolic cage. Its high dynamic radial load capacity ensures reliability under demanding conditions.

For automation systems, 71948 CD/P4ADGC Bearing excels in robotic arms and CNC machinery, where smooth operation is essential. The P4A tolerance class guarantees consistent performance in high-speed scenarios.

Medical imaging devices also benefit from 71948 CD/P4ADGC Bearing’s precision and low friction. The chrome steel construction provides durability, while the open seal allows for easy lubrication.

Q&A

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