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Super Precision Angular Contact Ball Bearings 7028 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7028 ACDGA/HCP4A

The 7028 ACDGA/HCP4A is a super precision angular contact ball bearing with a 140mm bore and 210mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 32850 lbf and operates smoothly at speeds up to 6300 RPM.

Its 25° contact angle and phenolic cage ensure stable performance, while the open design allows for easy lubrication. The bearing works well in temperatures from -30°C to 110°C.

This model is available in matched sets of three, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing 2.83kg, it’s robust yet manageable for its size. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 7028 ACDGA/HCP4A
  • 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 33 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 Available
  • Number Of Bearings In Matched Set 3
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 32850 lbf
  • Static Radial Load 35100 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 2.83 kg
Super Precision Angular Contact Ball Bearings 7028 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 7028 ACDGA/HCP4A Bearing

7028 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
The 25° contact angle ensures efficient load distribution, making it suitable for angular contact applications.
With a dynamic radial load capacity of 32,850 lbf, it handles demanding operations with ease.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

Why Choose 7028 ACDGA/HCP4A Bearing for Precision Tasks?

7028 ACDGA/HCP4A Bearing’s P4A tolerance class guarantees exceptional accuracy for high-precision machinery.
Its ceramic balls and chrome steel rings provide low friction and long-lasting performance.
The bearing supports speeds up to 6,300 rpm, balancing speed and reliability.
Available in matched sets, it offers flexibility for various mounting configurations.

Engineered for Precision: 7028 ACDGA/HCP4A Bearing

7028 ACDGA/HCP4A Bearing features a phenolic cage that ensures smooth operation and reduced wear.
The extra light preload (Class A) enhances precision, making it ideal for sensitive applications.
With a static radial load capacity of 35,100 lbf, it delivers consistent performance under heavy loads.
Its universal matching capability allows for back-to-back, face-to-face, or tandem arrangements.

Application

Industrial Uses of 7028 ACDGA/HCP4A Bearing
7028 ACDGA/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation.
The ceramic balls and phenolic cage reduce friction, making it suitable for high-speed operations in industrial settings.

What Makes 7028 ACDGA/HCP4A Bearing a Preferred Choice?
In automotive applications, 7028 ACDGA/HCP4A Bearing excels in gearbox systems due to its ability to handle both radial and axial loads.
Its P4A tolerance class guarantees consistent performance, even under demanding conditions.

Built for Heavy-Duty Use: 7028 ACDGA/HCP4A Bearing
This bearing is ideal for robotics, where its matched arrangement allows for precise movement in mechanical arms.
The extra light preload ensures smooth operation, reducing wear over time.

Medical vs Industrial: Where 7028 ACDGA/HCP4A Bearing Excels
In medical imaging devices, 7028 ACDGA/HCP4A Bearing provides reliable performance thanks to its chrome steel rings and ceramic balls.
Its open design allows for easy lubrication, extending its lifespan in high-use environments.

Perfect Fit for Automation: 7028 ACDGA/HCP4A Bearing
7028 ACDGA/HCP4A Bearing is often found in automated production lines, where its high-speed capabilities improve efficiency.
The universal matching option makes it versatile for various configurations, from back-to-back to tandem setups.

Q&A

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