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Super Precision Angular Contact Ball Bearings 729 CD/HCP4A
Super Precision Angular Contact Ball Bearings 729 CD/HCP4A

Super Precision Angular Contact Ball Bearings 729 CD/HCP4A

The 729 CD/HCP4A is a super precision angular contact ball bearing with a compact size of 9mm by 26mm by 8mm, crafted from chrome steel and ceramic balls for durability. It handles radial loads up to 922 lbf and spins at speeds up to 120,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and open design allow for smooth operation and easy maintenance. The phenolic cage ensures stability, while the P4 tolerance class guarantees precision.

This bearing is ideal for use in machine tools or high-speed spindles where accuracy is crucial. It comes pre-lubricated and can withstand temperatures from -30°C to 110°C.

Weighing just 0.018kg, it’s lightweight yet robust. Interchangeable with SKF bearings, it offers a reliable replacement option for demanding setups.

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Product Parameters

  • Part Number 729 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 9 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 26 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 8 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 9
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 922 lbf
  • Static Radial Load 374 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 120000 rpm
  • Weight 0.018 kg
  • Price($) 96.57

Features

Performance Features of 729 CD/HCP4A Bearing

729 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision and speed capabilities.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds up to 120,000 rpm.
With a dynamic radial load capacity of 922 lbf, it handles demanding tasks reliably.

729 CD/HCP4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its P4 tolerance class guarantees high precision, making it suitable for critical applications.

Application

Industrial Uses of 729 CD/HCP4A Bearing
The 729 CD/HCP4A Bearing is commonly used in high-speed machine tools, where its angular contact design handles both radial and axial loads efficiently. Its ceramic balls reduce friction, making it ideal for precision applications.

Where Is 729 CD/HCP4A Bearing Used?
You’ll often find 729 CD/HCP4A Bearing in automotive transmissions, where its phenolic cage ensures smooth operation under high speeds. The P4 tolerance class guarantees consistent performance in demanding conditions.

Perfect Fit for Automation: 729 CD/HCP4A Bearing
In robotic arms, 729 CD/HCP4A Bearing’s matched arrangement provides stability for precise movements. The open design allows for easy lubrication, extending its lifespan in continuous use.

Medical vs Industrial: Where 729 CD/HCP4A Bearing Excels
While 729 CD/HCP4A Bearing suits industrial gearboxes, its ceramic balls also make it a quiet choice for medical imaging devices. The chrome steel rings offer durability in both environments.

Essential Roles of 729 CD/HCP4A Bearing
For 3D printers, 729 CD/HCP4A Bearing ensures accurate positioning with its high-speed capability. The lightweight design reduces inertia, improving overall print quality.

Q&A

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