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Super Precision Angular Contact Ball Bearings 7209 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 7209 ACD/P4ATBTC

The 7209 ACD/P4ATBTC is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 19890 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 and efficient performance.

This bearing comes in a matched set of three, arranged in a TBT configuration for balanced load distribution. Ideal for machine tools or spindles where accuracy is key.

Weighing 1.23kg, it’s robust yet manageable. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 7209 ACD/P4ATBTC
  • 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 57 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • 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 19890 lbf
  • Static Radial Load 20250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 1.23 kg
Super Precision Angular Contact Ball Bearings 7209 ACD/P4ATBTC dimension drawing
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Features

How Is 7209 ACD/P4ATBTC Bearing Engineered for Reliability?

7209 ACD/P4ATBTC Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 19890 lbf, it performs reliably in demanding applications.
The matched arrangement of three bearings provides stability and precision under moderate preload.

7209 ACD/P4ATBTC Bearing operates efficiently at speeds up to 41,000 rpm.
Its P4A tolerance class guarantees consistent performance in precision tasks.

The open design allows for easy lubrication, maintaining optimal performance.
This bearing is ideal for applications requiring high-speed and high-precision operation.

Application

Industrial Uses of 7209 ACD/P4ATBTC Bearing
7209 ACD/P4ATBTC Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate spindle performance. The matched set of three bearings provides stability in demanding industrial environments.

In automotive applications, 7209 ACD/P4ATBTC Bearing supports components like wheel hubs and transmissions, offering reliable performance under radial and angular loads. Its phenolic cage enhances durability in high-speed scenarios.

For automation systems, 7209 ACD/P4ATBTC Bearing is ideal for robotic arms and CNC machines, where its P4A tolerance class guarantees precision. The chrome steel construction ensures long service life even in continuous operation.

Medical imaging devices benefit from 7209 ACD/P4ATBTC Bearing’s smooth operation and low noise levels. The open design allows for easy lubrication, maintaining performance in critical healthcare equipment.

In consumer electronics, 7209 ACD/P4ATBTC Bearing can be found in high-end printers and scanners, where its precision and speed are essential. The metric sizing makes it compatible with various European and Asian models.

Q&A

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