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Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBC

The 7209 CD/P4ADBC is a super precision angular contact ball bearing, measuring 45mm by 85mm by 38mm. Made from chrome steel, it handles radial loads up to 15795 lbf and spins smoothly at speeds up to 41000 RPM.

With a 15° contact angle and moderate preload, it offers stable performance for angular contact loads. The open design and phenolic cage ensure durability and easy maintenance.

This matched set of two bearings is ideal for high-precision applications like machine tool spindles or robotics. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.82kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7209 CD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 38 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • 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 15795 lbf
  • Static Radial Load 13950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.82 kg
Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBC dimension drawing
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Features

Performance Features of 7209 CD/P4ADBC Bearing

7209 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel construction ensures durability and resistance to wear under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 41,000 rpm, it delivers reliable performance in high-speed scenarios.

7209 CD/P4ADBC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its moderate preload (Class C) ensures stability, making it suitable for matched bearing arrangements.

The open design allows for easy lubrication, extending the bearing’s service life.
Its dynamic radial load capacity of 15,795 lbf ensures robust performance in demanding conditions.

Application

Industrial Uses of 7209 CD/P4ADBC Bearing
7209 CD/P4ADBC 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, 7209 CD/P4ADBC Bearing supports gearbox systems, providing smooth power transmission under radial and axial loads. Its phenolic cage reduces friction, enhancing efficiency in high-speed scenarios.

For robotics, 7209 CD/P4ADBC Bearing is ideal for articulated arms, offering precise movement control. The matched bearing arrangement ensures consistent performance in repetitive tasks.

Where Is 7209 CD/P4ADBC Bearing Used?
7209 CD/P4ADBC Bearing finds its place in medical imaging devices, where its P4A tolerance class guarantees minimal vibration. The chrome steel construction ensures long-term reliability in sterile environments.

In automation systems, 7209 CD/P4ADBC Bearing is a go-to for linear guides, providing smooth motion with minimal maintenance. The open design allows for easy lubrication, extending service life.

Built for Heavy-Duty Use: 7209 CD/P4ADBC Bearing
7209 CD/P4ADBC Bearing excels in industrial pumps, handling both radial and axial loads with ease. Its high dynamic load capacity makes it suitable for continuous operation.

For aerospace applications, 7209 CD/P4ADBC Bearing is used in actuator systems, where precision and durability are critical. The temperature range ensures performance in varying conditions.

Automotive vs Aerospace: Applications of 7209 CD/P4ADBC Bearing
In automotive transmissions, 7209 CD/P4ADBC Bearing ensures smooth gear shifts with its angular contact design. The phenolic cage reduces noise, improving driver comfort.

For aerospace landing gear, 7209 CD/P4ADBC Bearing provides reliable performance under extreme loads. Its high-speed capability is essential for safe takeoffs and landings.

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