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Super Precision Angular Contact Ball Bearings 7019 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 7019 ACDGA/P4A

The 7019 ACDGA/P4A is a super precision angular contact ball bearing with a 95mm bore and 145mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for angular contact loads, handling up to 17122 lbf dynamically.

With a maximum speed of 15000 RPM, it operates smoothly in temperatures ranging from -30°C to 110°C. The open design and phenolic cage ensure durability and easy maintenance, while the extra light preload enhances precision.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or high-speed industrial equipment.

Weighing 1.21kg, it meets P4A tolerance standards for exceptional accuracy. Interchangeable with SKF bearings, it offers a reliable solution for demanding environments.

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Product Parameters

  • Part Number 7019 ACDGA/P4A
  • 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 Chrome Steel
  • 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 1.21 kg
  • Price（$） 226.8
Super Precision Angular Contact Ball Bearings 7019 ACDGA/P4A dimension drawing
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Features

Performance Features of 7019 ACDGA/P4A Bearing

7019 ACDGA/P4A Bearing is crafted 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 and noise.

With a dynamic radial load capacity of 17122 lbf, it handles demanding conditions reliably.

The P4A tolerance class guarantees precision, making it suitable for high-speed operations up to 15,000 rpm.

Application

Key Fields for 7019 ACDGA/P4A Bearing
7019 ACDGA/P4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 7019 ACDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra-light preload and P4A tolerance class. Its chrome steel construction offers durability in repetitive movements.

For aerospace applications, 7019 ACDGA/P4A Bearing handles the demanding loads in actuator systems, where reliability is critical. The open design allows for easy lubrication, extending service life in harsh conditions.

Medical imaging devices benefit from 7019 ACDGA/P4A Bearing’s precision, ensuring quiet and vibration-free operation. The metric dimensions make it compatible with a range of European-designed equipment.

In automotive testing rigs, 7019 ACDGA/P4A Bearing supports high-speed spindles, where its dynamic radial load capacity ensures consistent performance. The temperature range also accommodates varying operational conditions.

Q&A

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