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Super Precision Angular Contact Ball Bearings 7219 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 7219 ACDGA/P4A

The 7219 ACDGA/P4A is a super precision angular contact ball bearing with a 95mm bore and 170mm outer diameter, designed for high-performance applications. Its 25° contact angle efficiently handles both radial and axial loads, with dynamic radial load capacity up to 29925 lbf.

Made from durable chrome steel with a phenolic cage, it offers smooth operation at speeds up to 15000 RPM. The extra light preload (Class A) ensures minimal friction and precise movement in demanding setups.

This open-type bearing comes lubricated and works in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional accuracy for precision machinery.

Weighing 2.7kg, it’s suitable for spindle assemblies or machine tools where high-speed rotation and tight tolerances are required. The bearing can be arranged back-to-back, face-to-face, or tandem for different load needs.

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Product Parameters

  • Part Number 7219 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 170 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 23.812 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 29925 lbf
  • Static Radial Load 25650 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.7 kg
Super Precision Angular Contact Ball Bearings 7219 ACDGA/P4A dimension drawing
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Features

Performance Features of 7219 ACDGA/P4A Bearing

7219 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel construction ensures durability and resistance to wear under high dynamic radial loads of 29925 lbf.

The phenolic cage reduces friction and noise, making it suitable for high-speed operations up to 15,000 rpm.

With a precision tolerance class of P4A, it delivers reliable performance in demanding conditions.

Application

Key Fields for 7219 ACDGA/P4A Bearing
The 7219 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. Its phenolic cage offers smooth operation at high speeds, making it suitable for demanding industrial environments.

Where Is 7219 ACDGA/P4A Bearing Used?
In automotive applications, the 7219 ACDGA/P4A Bearing supports components like wheel hubs and transmissions, thanks to its robust chrome steel construction. The extra light preload also enhances performance in high-speed scenarios.

Built for Heavy-Duty Use: 7219 ACDGA/P4A Bearing
This bearing excels in robotics and automation systems, where its P4A tolerance class ensures precise movement in mechanical arms. The open design allows for easy lubrication, extending its service life in continuous operations.

Medical vs Industrial: Where 7219 ACDGA/P4A Bearing Excels
In medical imaging devices, the 7219 ACDGA/P4A Bearing provides reliable performance due to its low friction and high-speed capabilities. Industrial applications benefit from its durability in heavy machinery like pumps and compressors.

Q&A

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