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Super Precision Angular Contact Ball Bearings 7028 ACD/P4ADT

Super Precision Angular Contact Ball Bearings 7028 ACD/P4ADT

The 7028 ACD/P4ADT is a super precision angular contact ball bearing with a 140mm bore and 210mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of two bearings for balanced performance.

This bearing handles radial loads up to 52650 lbf and operates smoothly at speeds up to 6300 RPM. Its phenolic cage ensures durability while the open design allows for easy lubrication and maintenance.

The P4A tolerance class guarantees exceptional precision, making it ideal for high-accuracy applications. It performs reliably in temperatures ranging from -30°C to 110°C.

Weighing 6.84kg, this bearing is suited for demanding machinery like spindles or high-speed gearboxes. It’s interchangeable with SKF bearings, offering a dependable replacement option.

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Product Parameters

  • Part Number 7028 ACD/P4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 66 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 22.225 mm
  • Ball Qty 22
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 52650 lbf
  • Static Radial Load 70875 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 6.84 kg
Super Precision Angular Contact Ball Bearings 7028 ACD/P4ADT dimension drawing
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Features

Performance Features of 7028 ACD/P4ADT Bearing

7028 ACD/P4ADT 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 52650 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 6,300 rpm.
With a precision tolerance class of P4A, it delivers consistent accuracy in demanding conditions.

7028 ACD/P4ADT Bearing operates reliably in temperatures from -30°C to 110°C, suitable for varied environments.
Its matched arrangement of two bearings provides balanced load handling and extended service life.

Application

Industrial Uses of 7028 ACD/P4ADT Bearing
The 7028 ACD/P4ADT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 7028 ACD/P4ADT Bearing supports wheel hubs and transmission systems, providing reliable performance under heavy loads. The P4A tolerance class ensures consistent quality in demanding conditions.

For automation equipment, 7028 ACD/P4ADT Bearing is ideal for robotic arms, offering smooth movement and long service life. The matched arrangement of two bearings enhances stability in dynamic applications.

Medical imaging devices benefit from 7028 ACD/P4ADT Bearing’s precision, ensuring quiet and vibration-free operation. The chrome steel construction adds durability in critical healthcare environments.

In aerospace systems, 7028 ACD/P4ADT Bearing handles both radial and axial loads, making it versatile for various aircraft components. The temperature range allows it to perform reliably in extreme conditions.

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