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Super Precision Angular Contact Ball Bearings 7219 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 7219 ACD/P4ADGA

The 7219 ACD/P4ADGA is a super precision angular contact ball bearing with a 95mm bore and 170mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 48600 lbf and operates smoothly at speeds up to 15000 RPM.

With a 25° contact angle and universal matching, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is preloaded for extra light performance, making it ideal for precision applications like machine tools or spindles. It works reliably in temperatures ranging from -30°C to 110°C.

Weighing 5.4kg, it’s robust yet designed for precision. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings, ensuring easy replacements. Perfect for demanding industrial environments.

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Product Parameters

  • Part Number 7219 ACD/P4ADGA
  • 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 64 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 Universal matching
  • 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 48600 lbf
  • Static Radial Load 51300 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 5.4 kg
Super Precision Angular Contact Ball Bearings 7219 ACD/P4ADGA dimension drawing
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Features

Performance Features of 7219 ACD/P4ADGA Bearing

7219 ACD/P4ADGA Bearing is crafted with chrome steel rings and balls, ensuring durability and precision.
Its 25° contact angle optimises load distribution, enhancing performance in angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed operation.
With a maximum speed of 15,000 rpm, it delivers reliable performance in demanding conditions.

7219 ACD/P4ADGA Bearing’s universal matching design allows flexible arrangement for various setups.
Its extra light preload ensures smooth operation, minimising vibration and noise.

The bearing’s dynamic radial load capacity of 48,600 lbf makes it suitable for heavy-duty applications.
Its precision P4A tolerance class guarantees consistent performance in high-accuracy machinery.

Operating between -30°C to 110°C, 7219 ACD/P4ADGA Bearing performs reliably in diverse environments.
The lubricated design reduces maintenance needs, ensuring long service life.

Application

Industrial Uses of 7219 ACD/P4ADGA Bearing
This bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows flexible arrangements for different operational needs.

Where Is 7219 ACD/P4ADGA Bearing Used?
You’ll often find 7219 ACD/P4ADGA Bearing in automotive applications like electric motors, where its extra-light preload reduces friction. Its phenolic cage also helps maintain stability at high speeds.

Built for Heavy-Duty Use: 7219 ACD/P4ADGA Bearing
In robotics, 7219 ACD/P4ADGA Bearing supports articulated arms, thanks to its P4A tolerance class for smooth motion. The chrome steel construction ensures long-lasting performance in demanding environments.

Automotive vs Aerospace: Applications of 7219 ACD/P4ADGA Bearing
While cars benefit from its precision in transmissions, aerospace systems rely on 7219 ACD/P4ADGA Bearing for reliable performance in actuators. The tandem arrangement option adds versatility for complex setups.

Practical Applications of 7219 ACD/P4ADGA Bearing
For medical imaging devices, 7219 ACD/P4ADGA Bearing provides quiet and precise rotation. Its lubricated design minimises maintenance, making it ideal for critical healthcare equipment.

Q&A

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