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Super Precision Angular Contact Ball Bearings 7048 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 7048 CD/P4ADBB

The 7048 CD/P4ADBB is a super precision angular contact ball bearing with a 240mm bore and 360mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 125775 lbf and operates smoothly at speeds up to 7500 RPM.

Its 15° contact angle and matched DB arrangement provide excellent stability, while the phenolic cage ensures quiet performance. The bearing comes preloaded for light applications and works in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Ideal for high-precision machinery like CNC spindles or machine tools where accuracy is crucial.

Weighing 34.2kg, it’s a robust unit designed for long-lasting performance. Compliant with P4A tolerance standards for precise operations.

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Product Parameters

  • Part Number 7048 CD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 112 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 22
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 125775 lbf
  • Static Radial Load 220500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 34.2 kg
Super Precision Angular Contact Ball Bearings 7048 CD/P4ADBB dimension drawing
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Features

Performance Features of 7048 CD/P4ADBB Bearing

7048 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to both dynamic and static radial loads.
The phenolic cage ensures smooth operation, even at high speeds up to 7,500 rpm.
With a matched arrangement of two bearings, it offers enhanced stability and precision.

Application

Industrial Uses of 7048 CD/P4ADBB Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in heavy cutting operations.

Where Is 7048 CD/P4ADBB Bearing Used?
You’ll find it in automotive testing equipment, supporting precise measurements and high-speed rotations. Its phenolic cage handles vibrations well, making it reliable for long-term use.

Built for Heavy-Duty Use: 7048 CD/P4ADBB Bearing
It’s a solid choice for large industrial pumps, handling both radial and axial loads effortlessly. The chrome steel construction offers durability in demanding environments.

Automotive vs Aerospace: Applications of 7048 CD/P4ADBB Bearing
In automotive systems, it’s ideal for gearbox supports, while aerospace applications benefit from its precision in flight control mechanisms. The P4A tolerance class ensures consistent performance.

Perfect Fit for Automation: 7048 CD/P4ADBB Bearing
Robotic arms often use this bearing for smooth, precise movements. The light preload reduces friction, enhancing efficiency in repetitive tasks.

Q&A

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