+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 7028 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 7028 CD/P4ADBB

The 7028 CD/P4ADBB is a super precision angular contact ball bearing with a 140mm bore and 210mm outer diameter, crafted from durable chrome steel. It measures 66mm in width and comes as a matched pair for balanced performance.

This bearing handles radial loads up to 55575 lbf and operates smoothly at speeds up to 6300 RPM. Its 15° contact angle and light preload ensure precise movement with minimal friction.

The open design allows easy lubrication, while the phenolic cage offers quiet, long-lasting operation. It works reliably in temperatures from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and stability are key. Weighing 6.84kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for convenient replacements.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 7028 CD/P4ADBB
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • 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
Super Precision Angular Contact Ball Bearings 7028 CD/P4ADBB dimension drawing
Download DWG Download PDF

Features

Performance Features of 7028 CD/P4ADBB Bearing

7028 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The matched arrangement of two bearings ensures stability and balanced performance under radial loads.

Constructed from chrome steel, 7028 CD/P4ADBB Bearing offers high resistance to wear and fatigue.
Its phenolic cage enhances durability while maintaining smooth operation at speeds up to 6,300 rpm.

With a dynamic radial load capacity of 55,575 lbf, 7028 CD/P4ADBB Bearing handles demanding conditions reliably.
The P4A tolerance class guarantees consistent precision in high-performance settings.

The open design of 7028 CD/P4ADBB Bearing allows for easy lubrication and maintenance.
Its lightweight phenolic cage reduces friction, contributing to longer service life.

Operating within a temperature range of -30°C to 110°C, 7028 CD/P4ADBB Bearing performs well in varied environments.
The preloaded Class B setup ensures minimal vibration and noise during operation.

Application

Common Applications of 7028 CD/P4ADBB Bearing
In industrial settings, 7028 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The matched arrangement of two bearings enhances stability in demanding applications like spindle drives.

Where Is 7028 CD/P4ADBB Bearing Used?
You’ll often find 7028 CD/P4ADBB Bearing in automotive transmissions, where its light preload and phenolic cage reduce friction for smoother gear shifts. Its chrome steel construction also handles the high speeds typical in performance vehicles.

Optimized for Performance: 7028 CD/P4ADBB Bearing
For automation systems, 7028 CD/P4ADBB Bearing is a reliable choice for robotic arms, thanks to its P4A tolerance class ensuring minimal vibration. The open design allows for easy lubrication, extending service life in continuous operation.

Medical vs Industrial: Where 7028 CD/P4ADBB Bearing Excels
In medical imaging devices, 7028 CD/P4ADBB Bearing’s precision reduces noise and vibration, critical for clear scans. Industrial applications like CNC machines benefit from its high dynamic load capacity, ensuring durability under heavy use.

Q&A

SEND INQUIRY