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Super Precision Angular Contact Ball Bearings 7019 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7019 ACDGA/HCP4A

The 7019 ACDGA/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 145mm outer diameter, designed for high-performance applications. Its 25° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 17122 lbf.

Made from chrome steel with a phenolic cage, it offers durability and can handle speeds up to 15000 RPM. The open design allows for easy lubrication, and it operates efficiently in temperatures from -30°C to 110°C.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or high-speed tools where accuracy is crucial.

Weighing 1kg, it meets P4A tolerance standards for exceptional performance. Its interchangeable design with SKF bearings makes it a versatile choice for replacements or upgrades.

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Product Parameters

  • Part Number 7019 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 145 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • 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 17122 lbf
  • Static Radial Load 17212 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1 kg
Super Precision Angular Contact Ball Bearings 7019 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 7019 ACDGA/HCP4A Bearing

7019 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent load distribution, making it ideal for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 17122 lbf, it handles demanding conditions effortlessly.

7019 ACDGA/HCP4A Bearing operates smoothly at speeds up to 15,000 rpm, thanks to its advanced design.
Its temperature range of -30°C to 110°C ensures reliability in various environments.

The extra light preload (Class A) ensures minimal friction and optimal efficiency.
This bearing is part of a universal matching set, offering flexibility in installation configurations.

Application

Ideal for Precision: 7019 ACDGA/HCP4A Bearing
In high-speed machine tools, 7019 ACDGA/HCP4A Bearing excels with its ceramic balls and phenolic cage, reducing friction and heat buildup. The 25° contact angle ensures stable performance under radial and axial loads.

Where Is 7019 ACDGA/HCP4A Bearing Used?
You’ll often find 7019 ACDGA/HCP4A Bearing in precision spindles for CNC machines, where its P4A tolerance class guarantees accuracy. Its open design simplifies lubrication, extending service life in demanding conditions.

Automotive vs Aerospace: Applications of 7019 ACDGA/HCP4A Bearing
In automotive testing rigs, 7019 ACDGA/HCP4A Bearing handles high rotational speeds with minimal vibration. For aerospace applications, its lightweight ceramic balls and chrome steel rings offer reliability in critical systems.

Built for Heavy-Duty Use: 7019 ACDGA/HCP4A Bearing
7019 ACDGA/HCP4A Bearing supports heavy loads in industrial pumps and compressors, thanks to its robust dynamic radial load capacity. The extra-light preload ensures smooth operation without excessive wear.

Perfect Fit for Automation: 7019 ACDGA/HCP4A Bearing
Robotic arms benefit from 7019 ACDGA/HCP4A Bearing’s low friction and high-speed capabilities, ensuring precise movement. Its universal matching option allows flexible configurations for tandem or back-to-back setups.

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