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Super Precision Angular Contact Ball Bearings 7009 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 7009 ACD/P4ATBTC

The 7009 ACD/P4ATBTC is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 13320 lbf and operates smoothly at speeds up to 41000 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This set includes three matched bearings arranged in a TBT configuration, ideal for complex load requirements. Suitable for machine tools or spindle drives where accuracy is crucial.

Weighing 0.71kg, it works in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7009 ACD/P4ATBTC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 75 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 17
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 13320 lbf
  • Static Radial Load 14400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.71 kg
Super Precision Angular Contact Ball Bearings 7009 ACD/P4ATBTC dimension drawing
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Features

Performance Features of 7009 ACD/P4ATBTC Bearing

7009 ACD/P4ATBTC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and resistance to wear under high radial loads.
The phenolic cage enhances stability, reducing friction and noise during operation.
With a maximum speed of 41,000 rpm, it delivers reliable performance in precision tasks.

How Is 7009 ACD/P4ATBTC Bearing Engineered for Reliability?

7009 ACD/P4ATBTC Bearing features a matched arrangement of three bearings, providing balanced load distribution.
Its moderate preload (Class C) ensures smooth operation and reduces vibration.
The open design allows for easy lubrication, maintaining performance over time.
With a dynamic radial load capacity of 13,320 lbf, it handles demanding applications with ease.

Built for Reliability: 7009 ACD/P4ATBTC Bearing

7009 ACD/P4ATBTC Bearing’s chrome steel construction offers excellent resistance to wear and fatigue.
The phenolic cage minimises friction, ensuring quiet and efficient operation.
Its P4A tolerance class guarantees high precision, making it suitable for critical applications.
The temperature range of -30°C to 110°C ensures performance in various environments.

Steel vs Ceramic Bearings: Strengths of 7009 ACD/P4ATBTC Bearing

7009 ACD/P4ATBTC Bearing uses chrome steel for both rings and balls, providing a balance of strength and affordability.
This material choice ensures reliable performance under high radial and angular loads.
The phenolic cage adds durability while reducing operational noise.
With a static radial load capacity of 14,400 lbf, it excels in precision engineering tasks.

Application

Industrial Uses of 7009 ACD/P4ATBTC Bearing
7009 ACD/P4ATBTC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set arrangement of three bearings provides stability in demanding industrial environments.

In automotive applications, 7009 ACD/P4ATBTC Bearing supports wheel hubs and transmission systems, offering reliable performance under radial and axial loads. Its moderate preload helps maintain smooth operation even at high speeds.

For automation systems, 7009 ACD/P4ATBTC Bearing is ideal for robotic arms and CNC machines, thanks to its phenolic cage reducing friction. The P4A tolerance class ensures consistent precision in repetitive tasks.

Medical imaging devices benefit from 7009 ACD/P4ATBTC Bearing’s chrome steel construction, which provides durability in high-speed rotations. The open design allows for easy lubrication, extending service life in critical applications.

In consumer electronics, 7009 ACD/P4ATBTC Bearing can be found in high-end printers and scanners, where its low noise operation is a key advantage. The metric sizing makes it compatible with various European and Asian equipment designs.

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