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Super Precision Angular Contact Ball Bearings 7048 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 7048 ACD/P4ADGA

The 7048 ACD/P4ADGA 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, ideal for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. It comes in a matched set of two, making it perfect for machine tools or spindle systems.

Weighing 34.2kg, it’s built for stability and precision. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 7048 ACD/P4ADGA
  • 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 Extra light / Class A
  • 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
  • Price（$） 4955.94
Super Precision Angular Contact Ball Bearings 7048 ACD/P4ADGA dimension drawing
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Features

Performance Features of 7048 ACD/P4ADGA Bearing

7048 ACD/P4ADGA Bearing is crafted with a 25° contact angle, ideal for handling combined radial and axial loads.

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

With a dynamic radial load capacity of 118,575 lbf, it excels in high-performance applications.

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

Application

Essential Roles of 7048 ACD/P4ADGA Bearing
7048 ACD/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows flexible arrangements, making it suitable for complex setups.

In aerospace applications, 7048 ACD/P4ADGA Bearing handles radial and axial loads in turbine engines, thanks to its extra-light preload and phenolic cage. Its P4A tolerance class guarantees consistent performance under demanding conditions.

For robotics, 7048 ACD/P4ADGA Bearing provides smooth motion in articulated arms, where low friction and high rigidity are key. The chrome steel construction ensures durability even in continuous operation.

Medical imaging devices benefit from 7048 ACD/P4ADGA Bearing’s precision, as it maintains stability in rotating components like CT scanners. The lubricated design further reduces maintenance needs.

In industrial automation, 7048 ACD/P4ADGA Bearing supports high-speed conveyor systems, where its tandem arrangement options enhance load distribution. The metric sizing simplifies integration with European machinery.

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