+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 7228 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 7228 ACDGA/P4A

The 7228 ACDGA/P4A is a super precision angular contact ball bearing measuring 140mm by 250mm by 42mm, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for angular contact loads, with a dynamic radial load capacity of 47700 lbf.

This bearing spins smoothly at speeds up to 11000 RPM and operates efficiently in temperatures ranging from -30°C to 110°C. Its phenolic cage ensures durability, while the open design allows for easy lubrication and maintenance.

With a P4A tolerance class, it offers exceptional precision and is interchangeable with SKF bearings. Ideal for high-precision applications like machine tools or spindle assemblies, where accuracy and reliability are crucial.

Weighing 8.14kg, it’s robust yet manageable for its size. The bearing can be used in matched sets of four, arranged back-to-back, face-to-face, or tandem, providing flexibility for various setups.

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

Product Parameters

  • Part Number 7228 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 250 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 42 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 47700 lbf
  • Static Radial Load 51300 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 8.14 kg
Super Precision Angular Contact Ball Bearings 7228 ACDGA/P4A dimension drawing
Download DWG Download PDF

Features

Performance Features of 7228 ACDGA/P4A Bearing

7228 ACDGA/P4A Bearing is designed for precision applications with a 25° contact angle, ensuring optimal load distribution.
Its chrome steel rings and balls provide durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 47,700 lbf, it handles demanding conditions efficiently.
The extra light preload (Class A) enhances performance in high-speed applications up to 11,000 rpm.

7228 ACDGA/P4A Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its universal matching capability allows flexible configurations like back-to-back or face-to-face arrangements.

The P4A tolerance class ensures high precision, making it suitable for critical machinery.
Weighing 8.14 kg, it balances strength and manageability for industrial use.

Application

Industrial Uses of 7228 ACDGA/P4A Bearing
7228 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The open design and phenolic cage make it suitable for high-speed operations in industrial settings.

In robotics, 7228 ACDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra-light preload and P4A tolerance class. Its chrome steel construction also offers long-term durability in repetitive tasks.

For aerospace applications, 7228 ACDGA/P4A Bearing handles the demanding loads in aircraft landing gear systems. The metric sizing and universal matching options make it adaptable to various international standards.

Where Is 7228 ACDGA/P4A Bearing Used?
You’ll often find 7228 ACDGA/P4A Bearing in medical imaging devices, where its precision and low friction are essential for clear scans. The temperature range of -30°C to 110°C ensures reliability in different environments.

In automotive testing equipment, 7228 ACDGA/P4A Bearing supports high-speed spindles that require minimal vibration. Its dynamic radial load capacity of 47,700 lbf makes it a dependable choice for rigorous testing conditions.

Built for Heavy-Duty Use: 7228 ACDGA/P4A Bearing
7228 ACDGA/P4A Bearing excels in wind turbine yaw systems, where its ability to handle combined loads is crucial. The phenolic cage reduces weight while maintaining strength, ideal for large-scale energy applications.

For CNC machining centres, 7228 ACDGA/P4A Bearing ensures precise spindle rotation, enhancing cutting accuracy. Its lubricated design simplifies maintenance, reducing downtime in production lines.

Automotive vs Aerospace: Applications of 7228 ACDGA/P4A Bearing
In automotive transmissions, 7228 ACDGA/P4A Bearing supports smooth gear shifts with its angular contact design. The high-speed capability of 11,000 rpm makes it suitable for performance vehicles.

For aerospace actuators, 7228 ACDGA/P4A Bearing provides reliable performance under extreme conditions. Its universal matching feature allows for flexible configurations in complex assemblies.

Q&A

SEND INQUIRY