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Super Precision Angular Contact Ball Bearings 71948 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 71948 CD/P4ADGA

The 71948 CD/P4ADGA is a super precision angular contact ball bearing with a 240mm bore and 320mm outer diameter, crafted from durable chrome steel. It handles 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. The phenolic cage ensures quiet, long-lasting performance even in demanding conditions.

With an extra light preload (Class A), it’s ideal for high-precision applications like machine tool spindles or aerospace systems. The open seal design simplifies lubrication, while the P4A tolerance guarantees exceptional accuracy.

Weighing 17kg, this matched set (two bearings) works reliably in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a trusted choice for precision engineering needs.

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Product Parameters

  • Part Number 71948 CD/P4ADGA
  • 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 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
  • Price（$） 3788.514
Super Precision Angular Contact Ball Bearings 71948 CD/P4ADGA dimension drawing
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Features

Performance Features of 71948 CD/P4ADGA Bearing

71948 CD/P4ADGA Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle and universal matching arrangement provide excellent load distribution.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a dynamic radial load capacity of 83,475 lbf, 71948 CD/P4ADGA Bearing handles demanding applications effortlessly.
It operates smoothly at speeds up to 7,500 rpm, balancing speed and reliability.
The extra light preload ensures minimal resistance, making it ideal for precision tasks.

71948 CD/P4ADGA Bearing performs reliably in temperatures ranging from -30°C to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance.
The P4A tolerance class guarantees high accuracy, meeting strict industry standards.

The matched set of two bearings offers versatility in back-to-back, face-to-face, or tandem arrangements.
This flexibility makes 71948 CD/P4ADGA Bearing suitable for various complex applications.
Its robust construction and precise engineering ensure long service life with minimal maintenance.

Weighing 17 kg, 71948 CD/P4ADGA Bearing is designed for stability and strength.
The 31 balls, each 25.4 mm in diameter, contribute to its high load-bearing capacity.
This combination of features makes it a dependable choice for precision machinery.

Application

Industrial Uses of 71948 CD/P4ADGA Bearing
71948 CD/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for long operational cycles.

What Makes 71948 CD/P4ADGA Bearing a Preferred Choice?
In aerospace applications, 71948 CD/P4ADGA Bearing handles radial and axial loads efficiently, crucial for aircraft landing gear systems. Its universal matching feature allows flexible arrangement in compact spaces.

Built for Heavy-Duty Use: 71948 CD/P4ADGA Bearing
For wind turbine gearboxes, 71948 CD/P4ADGA Bearing’s high dynamic load capacity ensures reliability under fluctuating forces. The chrome steel construction offers durability in harsh outdoor conditions.

Automotive vs Aerospace: Applications of 71948 CD/P4ADGA Bearing
In automotive racing, 71948 CD/P4ADGA Bearing supports high-speed wheel hubs, while in aerospace, it stabilises helicopter rotor systems. Its extra-light preload enhances performance in both fields.

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