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Super Precision Angular Contact Ball Bearings 7019 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 7019 CD/P4ADBC

The 7019 CD/P4ADBC is a super precision angular contact ball bearing with a 95mm bore and 145mm outer diameter, crafted from durable chrome steel. It measures 48mm in width and comes as a matched pair for balanced performance.

This bearing handles radial loads up to 29925 lbf and spins smoothly at speeds up to 15000 RPM. Its 15° contact angle and moderate preload ensure stable operation under angular forces.

The open design allows easy lubrication, while the phenolic cage reduces friction for quiet running. It operates well in temperatures from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy is key. Weighing 2.42kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7019 CD/P4ADBC
  • 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 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 29925 lbf
  • Static Radial Load 36000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.42 kg
Super Precision Angular Contact Ball Bearings 7019 CD/P4ADBC dimension drawing
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Features

Performance Features of 7019 CD/P4ADBC Bearing

7019 CD/P4ADBC Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability and high load capacity, with a dynamic radial load of 29,925 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 15,000 rpm, it is suitable for precision applications requiring smooth operation.

7019 CD/P4ADBC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its moderate preload (Class C) ensures stability and reduces vibration during use.

The matched arrangement of two bearings (DB) provides balanced load distribution.
This design improves reliability and extends the bearing’s service life in demanding conditions.

Application

Industrial Uses of 7019 CD/P4ADBC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In automotive applications, 7019 CD/P4ADBC Bearing supports high-speed gearboxes, providing smooth power transmission. Its phenolic cage reduces friction, making it suitable for performance-oriented systems.

For robotics, 7019 CD/P4ADBC Bearing excels in articulated arms, offering reliable movement under angular loads. The matched arrangement enhances rigidity, which is crucial for repeatable tasks.

Medical imaging devices benefit from 7019 CD/P4ADBC Bearing’s precision, ensuring quiet and vibration-free operation. The chrome steel construction also resists wear in continuous-use environments.

In aerospace systems, 7019 CD/P4ADBC Bearing handles radial and axial loads in flight control mechanisms. Its P4A tolerance class guarantees consistent performance under demanding conditions.

Q&A

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