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Super Precision Angular Contact Ball Bearings 7048 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 7048 ACD/P4ADGB

The 7048 ACD/P4ADGB 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 118575 lbf and operates smoothly at speeds up to 7500 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face mounting. The phenolic cage ensures quiet performance and longevity.

This bearing is ideal for high-precision applications like machine tool spindles or industrial gearboxes. It works well in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation.

Weighing 34.2kg, it’s a robust choice for heavy-duty machinery. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 7048 ACD/P4ADGB
  • 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 25°
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 118575 lbf
  • Static Radial Load 209250 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 ACD/P4ADGB dimension drawing
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Features

Performance Features of 7048 ACD/P4ADGB Bearing

7048 ACD/P4ADGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls ensure high durability, supporting dynamic radial loads up to 118,575 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 7,500 rpm, it balances performance and longevity in precision settings.

Why Choose 7048 ACD/P4ADGB Bearing for Precision Tasks?

7048 ACD/P4ADGB Bearing offers universal matching, allowing flexible arrangements like back-to-back or face-to-face configurations.

Its P4A tolerance class ensures exceptional precision, making it ideal for high-accuracy applications.

The light preload (Class B) minimises vibration, enhancing stability during operation.

Weighing 34.2 kg, it maintains robustness without compromising on performance.

Engineered for Precision: 7048 ACD/P4ADGB Bearing

7048 ACD/P4ADGB Bearing’s open design facilitates easy lubrication, ensuring consistent performance over time.

Its static radial load capacity of 209,250 lbf makes it reliable for heavy-duty applications.

The bearing operates efficiently within a temperature range of -30°C to 110°C.

With 22 balls of 38.1 mm diameter, it ensures smooth rotation under high loads.

Application

Industrial Uses of 7048 ACD/P4ADGB Bearing
7048 ACD/P4ADGB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In robotics and automation, 7048 ACD/P4ADGB Bearing provides smooth operation in robotic arms and CNC machines. Its phenolic cage reduces friction, enhancing performance in high-speed applications.

For aerospace components, 7048 ACD/P4ADGB Bearing offers reliable performance in systems like landing gear and flight control mechanisms. The chrome steel construction ensures durability under demanding conditions.

Where Is 7048 ACD/P4ADGB Bearing Used?
7048 ACD/P4ADGB Bearing is ideal for wind turbine gearboxes, where its light preload and high dynamic load capacity improve efficiency. The P4A tolerance class guarantees precision in harsh environments.

In medical imaging devices, 7048 ACD/P4ADGB Bearing ensures smooth rotation for accurate diagnostics. Its open design allows for easy lubrication, maintaining performance over time.

Built for Heavy-Duty Use: 7048 ACD/P4ADGB Bearing
7048 ACD/P4ADGB Bearing excels in industrial pumps, handling both radial and thrust loads with ease. The matched set configuration simplifies installation and maintenance.

For printing machinery, 7048 ACD/P4ADGB Bearing’s high-speed capability ensures consistent print quality. The phenolic cage material resists wear, extending bearing life.

Automotive vs Aerospace: Applications of 7048 ACD/P4ADGB Bearing
In automotive applications, 7048 ACD/P4ADGB Bearing supports high-performance transmissions, offering stability under heavy loads. Its metric sizing fits seamlessly into European and Asian designs.

For aerospace, 7048 ACD/P4ADGB Bearing is trusted in flight control systems, where precision and reliability are critical. The temperature range ensures performance in extreme conditions.

Q&A

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