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Super Precision Angular Contact Ball Bearings 7048 ACD/P4A

Super Precision Angular Contact Ball Bearings 7048 ACD/P4A

The 7048 ACD/P4A is a super precision angular contact ball bearing with a 240mm bore and 360mm outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 73125 lbf and operates smoothly at speeds up to 5000 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, enhancing its performance in demanding conditions.

This bearing is ideal for high-precision applications like machine tool spindles or industrial gearboxes. Its P4 tolerance class ensures reliable accuracy for critical operations.

Weighing 17.1kg, it’s built to last in temperatures ranging from -30°C to 110°C. Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 7048 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 56 mm
  • Width Tolerance -0.3mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 22
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 73125 lbf
  • Static Radial Load 104625 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 5000 rpm
  • Weight 17.1 kg
  • Price（$） 5319.666
Super Precision Angular Contact Ball Bearings 7048 ACD/P4A dimension drawing
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Features

Performance Features of 7048 ACD/P4A Bearing

7048 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 73125 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 5,000 rpm, it balances performance and longevity in precision settings.

7048 ACD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class (ABEC-7) ensures high precision for demanding industrial applications.

Application

Key Fields for 7048 ACD/P4A Bearing
7048 ACD/P4A 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 continuous operation.

In robotics, 7048 ACD/P4A Bearing supports articulated arms, providing smooth movement under angular loads. Its P4 tolerance class ensures minimal vibration, crucial for delicate tasks.

For aerospace applications, 7048 ACD/P4A Bearing handles radial and axial loads in landing gear systems. The chrome steel construction offers durability in demanding conditions.

Medical imaging devices benefit from 7048 ACD/P4A Bearing’s precision, ensuring stable performance in CT scanners. The lubricated design extends service life in high-use environments.

In industrial pumps, 7048 ACD/P4A Bearing’s open seal allows for easy maintenance, while its high dynamic load capacity ensures reliability. The metric sizing fits standard European equipment.

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