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Super Precision Angular Contact Ball Bearings 7019 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 7019 ACD/P4ATBTB

The 7019 ACD/P4ATBTB is a super precision angular contact ball bearing with a 95mm bore and 145mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 37,125 lbf and operates smoothly at speeds up to 15,000 RPM.

Its 25° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability under angular loads. The phenolic cage ensures quiet, long-lasting performance, even in temperatures from -30°C to 110°C.

Preloaded lightly for precision, this open-design bearing is lubricated for easy maintenance. Ideal for high-precision applications like machine tool spindles or high-speed industrial equipment.

Weighing 3.63kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 7019 ACD/P4ATBTB
  • 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 72 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 37125 lbf
  • Static Radial Load 51300 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 3.63 kg
  • Price（$） 75.6
Super Precision Angular Contact Ball Bearings 7019 ACD/P4ATBTB dimension drawing
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Features

Performance Features of 7019 ACD/P4ATBTB Bearing

7019 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 37,125 lbf, it handles demanding conditions effortlessly.

The matched arrangement of three bearings enhances stability and performance in precision tasks.

Application

Industrial Uses of 7019 ACD/P4ATBTB Bearing
7019 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability in demanding industrial environments.

In automotive applications, 7019 ACD/P4ATBTB Bearing supports gearbox systems, offering reliable performance under radial and axial loads. Its phenolic cage material helps reduce friction, enhancing efficiency in high-speed operations.

For medical imaging equipment, 7019 ACD/P4ATBTB Bearing’s P4A tolerance class ensures smooth and precise movement. The chrome steel construction adds durability, making it suitable for long-term use in critical devices.

Automation systems benefit from 7019 ACD/P4ATBTB Bearing’s light preload, which minimises vibration in robotic arms. Its open design allows for easy lubrication, maintaining performance in continuous operation.

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