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Super Precision Angular Contact Ball Bearings 7028 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 7028 CD/P4ADGB

The 7028 CD/P4ADGB is a super precision angular contact ball bearing with a 140mm bore and 210mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and light preload ensure smooth operation under angular loads.

With a dynamic radial load capacity of 55575 lbf and a max speed of 6300 RPM, it performs reliably in demanding conditions. The open design and phenolic cage make it easy to maintain while offering durability.

This bearing is part of a universal matched set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or industrial pumps.

Weighing 6.84kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it ensures precise performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 7028 CD/P4ADGB
  • 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 15°
  • 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 55575 lbf
  • Static Radial Load 75375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 6.84 kg
  • Price（$） 1185.651
Super Precision Angular Contact Ball Bearings 7028 CD/P4ADGB dimension drawing
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Features

Why Choose 7028 CD/P4ADGB Bearing for Precision Tasks?

7028 CD/P4ADGB Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 55575 lbf, it handles demanding tasks with ease.
The P4A tolerance class guarantees exceptional accuracy, making it ideal for precision machinery.

Universal matching allows flexible arrangements like back-to-back or face-to-face setups.
Its maximum speed of 6,300 rpm ensures reliable performance in high-speed applications.

Application

Common Applications of 7028 CD/P4ADGB Bearing
In industrial settings, 7028 CD/P4ADGB Bearing is widely 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 machinery setups.

Where Is 7028 CD/P4ADGB Bearing Used?
You’ll often find 7028 CD/P4ADGB Bearing in automotive applications like high-performance gearboxes, where its light preload and phenolic cage contribute to smooth, quiet operation. Its metric sizing also makes it a reliable choice for European and Asian vehicle models.

Built for Heavy-Duty Use: 7028 CD/P4ADGB Bearing
This bearing excels in robotics and automation, particularly in robotic arms and CNC machines, where its high dynamic load capacity ensures long-lasting performance. The chrome steel construction adds durability, even in demanding environments.

Medical vs Industrial: Where 7028 CD/P4ADGB Bearing Excels
In medical imaging devices, 7028 CD/P4ADGB Bearing’s precision and low noise are crucial for accurate diagnostics. Meanwhile, in industrial pumps, its ability to handle high speeds and loads makes it a dependable choice.

Perfect Fit for Automation: 7028 CD/P4ADGB Bearing
For automated production lines, 7028 CD/P4ADGB Bearing offers reliable performance in high-speed applications like conveyor systems. Its open design simplifies maintenance, reducing downtime in busy factories.

Q&A

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