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Super Precision Angular Contact Ball Bearings S7209 CD/HCP4A

Super Precision Angular Contact Ball Bearings S7209 CD/HCP4A

The S7209 CD/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, designed for high-speed applications. It features a 15° contact angle and is made from durable chrome steel with ceramic balls for smooth operation.

This bearing handles radial loads up to 9518 lbf and can reach speeds of 20,000 RPM, making it suitable for demanding tasks. Its phenolic cage ensures stability, while the sealed design keeps lubrication in and contaminants out.

Preload options and matched arrangements are available for precise performance. Ideal for machine tools or high-speed spindles where accuracy is crucial. The bearing operates in temperatures from -30°C to 110°C.

Weighing 0.35kg, it meets P4 tolerance standards for exceptional precision. Interchangeable with SKF bearings, it offers a reliable solution for replacement needs.

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Product Parameters

  • Part Number S7209 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 19 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 20000 rpm
  • Weight 0.35 kg
  • Price（$） 337.878
Super Precision Angular Contact Ball Bearings S7209 CD/HCP4A dimension drawing
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Features

Performance Features of S7209 CD/HCP4A Bearing

S7209 CD/HCP4A Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure high precision and durability in demanding applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 9518 lbf, it performs reliably under heavy loads.

S7209 CD/HCP4A Bearing can reach speeds up to 20,000 rpm, making it suitable for high-speed machinery.
Its sealed design and preload availability further improve performance and longevity.

The P4 tolerance class ensures exceptional precision, meeting the needs of high-accuracy applications.
Lubrication is already applied, simplifying installation and reducing initial maintenance.

Application

Industrial Uses of S7209 CD/HCP4A Bearing
S7209 CD/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for high-speed operations.

What Makes S7209 CD/HCP4A Bearing a Preferred Choice?
In automotive applications, S7209 CD/HCP4A Bearing supports wheel hubs and transmissions, offering reliable performance under heavy loads. Its sealed design helps keep contaminants out, extending service life.

Perfect Fit for Automation: S7209 CD/HCP4A Bearing
S7209 CD/HCP4A Bearing works well in robotic arms, providing smooth movement and precise positioning. The phenolic cage adds durability, even in continuous operation environments.

Medical vs Industrial: Where S7209 CD/HCP4A Bearing Excels
For medical imaging devices, S7209 CD/HCP4A Bearing’s precision and low noise are crucial. In industrial settings, it handles heavy loads in pumps and compressors with ease.

Key Fields for S7209 CD/HCP4A Bearing
S7209 CD/HCP4A Bearing is found in aerospace applications, where its high-speed capability and reliability are essential. The P4 tolerance class ensures consistent performance in demanding conditions.

Q&A

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