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Super Precision Angular Contact Ball Bearings 71948 CD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71948 CD/HCP4ADGA

The 71948 CD/HCP4ADGA is a super precision angular contact ball bearing with a 240mm bore and 320mm outer diameter, designed for high accuracy applications. Its 15° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 83475 lbf.

The open design and phenolic cage allow for easy lubrication and long service life, even at speeds up to 7500 RPM. The bearing can handle temperatures from -30°C to 110°C, making it suitable for demanding environments.

This bearing comes in a matched set of two, offering flexibility for back-to-back, face-to-face, or tandem arrangements. Ideal for machine tools or high-precision industrial equipment where reliability and precision are key.

Weighing 12kg, it’s robust yet designed for smooth performance. Compliant with P4A tolerance class, it ensures exceptional accuracy in operation.

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Product Parameters

  • Part Number 71948 CD/HCP4ADGA
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • 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 12 kg
Super Precision Angular Contact Ball Bearings 71948 CD/HCP4ADGA dimension drawing
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Features

Performance Features of 71948 CD/HCP4ADGA Bearing

71948 CD/HCP4ADGA Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.

The chrome steel rings and ceramic balls enhance durability and reduce friction, ensuring smooth operation.

With a dynamic radial load capacity of 83,475 lbf, it performs reliably in high-precision applications.

Its universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

How Does 71948 CD/HCP4ADGA Bearing Reduce Friction?

71948 CD/HCP4ADGA Bearing uses ceramic balls and phenolic cages to minimise friction during high-speed operation.

The extra light preload (Class A) ensures smooth performance while maintaining precision.

Its open design and lubrication system further reduce resistance, extending service life.

With a maximum speed of 7,500 rpm, it balances efficiency and durability.

Engineered for Precision: 71948 CD/HCP4ADGA Bearing

71948 CD/HCP4ADGA Bearing meets P4A tolerance standards, making it suitable for ultra-precise applications.

The 31 ceramic balls and phenolic cage work together to maintain stability under heavy loads.

Its temperature range of -30°C to 110°C ensures consistent performance in varying conditions.

The matched set design (2 bearings) provides versatility for different mounting configurations.

Application

Industrial Uses of 71948 CD/HCP4ADGA Bearing
71948 CD/HCP4ADGA 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 CD/HCP4ADGA Bearing supports critical components like turbine shafts, thanks to its extra light preload and universal matching. The phenolic cage adds durability in demanding environments.

For automation systems, 71948 CD/HCP4ADGA Bearing excels in robotic arms, providing smooth movement under radial loads. Its P4A tolerance class guarantees consistent performance in repetitive tasks.

Medical imaging devices benefit from 71948 CD/HCP4ADGA Bearing’s chrome steel rings, which offer reliability in high-precision scanners. The lubricated design ensures quiet operation, essential for sensitive equipment.

Q&A

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