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Super Precision Angular Contact Ball Bearings 7009 CB/P4A

Super Precision Angular Contact Ball Bearings 7009 CB/P4A

The 7009 CB/P4A is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 2151 lbf and operates smoothly at speeds up to 40,000 RPM.

With a 15° contact angle and open design, it offers excellent performance in high-speed applications. The phenolic cage ensures durability and reduces friction, making it ideal for precision machinery.

This bearing is interchangeable with SKF models and comes with optional preload and matched arrangements for enhanced stability. Suitable for use in temperatures ranging from -30°C to 110°C.

Weighing just 0.26kg, it’s a lightweight yet robust choice for applications like spindles or high-precision tools. Compliant with P4 tolerance class for reliable performance.

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Product Parameters

  • Part Number 7009 CB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 75 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 25
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2151 lbf
  • Static Radial Load 1620 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 40000 rpm
  • Weight 0.26 kg
  • Price（$） 231.66
Super Precision Angular Contact Ball Bearings 7009 CB/P4A dimension drawing
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Features

Performance Features of 7009 CB/P4A Bearing

7009 CB/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle allows it to handle both radial and axial loads efficiently.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 40,000 rpm, it is ideal for high-speed applications.

How Is 7009 CB/P4A Bearing Engineered for Reliability?

7009 CB/P4A Bearing features a precision P4 tolerance class, ensuring consistent performance in demanding conditions.
The chrome steel construction resists wear, extending the bearing’s service life.
Its open design allows for easy lubrication, reducing maintenance needs.
With a dynamic radial load capacity of 2151 lbf, it handles heavy loads with ease.

Designed for Durability: 7009 CB/P4A Bearing

7009 CB/P4A Bearing’s chrome steel components provide excellent resistance to wear and tear.
The phenolic cage ensures smooth operation, even at high speeds.
Its 15° contact angle design optimises load distribution, enhancing reliability.
With a temperature range of -30° to 110°C, it performs well in various environments.

Steel vs Ceramic Bearings: Strengths of 7009 CB/P4A Bearing

7009 CB/P4A Bearing uses chrome steel for its rings and balls, offering a balance of strength and affordability.
The phenolic cage reduces friction, making it suitable for high-speed applications.
Its P4 tolerance class ensures precision, outperforming many standard bearings.
With a dynamic radial load of 2151 lbf, it handles demanding tasks effectively.

Application

Common Applications of 7009 CB/P4A Bearing
In machine tools, 7009 CB/P4A Bearing handles high-speed spindles with precision, thanks to its 15° contact angle and P4 tolerance class. The phenolic cage reduces friction, making it suitable for continuous operation.

Where Is 7009 CB/P4A Bearing Used?
You’ll often find 7009 CB/P4A Bearing in automotive transmissions, where its angular contact design manages combined loads efficiently. Its metric sizing ensures seamless integration with European and Asian vehicle designs.

Ideal for Precision: 7009 CB/P4A Bearing
For medical imaging devices, 7009 CB/P4A Bearing offers reliable performance due to its chrome steel construction. The open design allows for easy lubrication, extending service life in critical applications.

Automotive vs Aerospace: Applications of 7009 CB/P4A Bearing
In automotive systems, 7009 CB/P4A Bearing supports gearboxes, while in aerospace, it’s used in auxiliary power units. Its high-speed capability (up to 40,000 rpm) makes it versatile across industries.

Perfect Fit for Automation: 7009 CB/P4A Bearing
Robotic arms benefit from 7009 CB/P4A Bearing’s matched arrangement, ensuring smooth motion control. The preload option further enhances accuracy in automated assembly lines.

Q&A

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