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Super Precision Angular Contact Ball Bearings 7213 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7213 CD/HCP4A

The 7213 CD/HCP4A is a super precision angular contact ball bearing with a 65mm bore and 120mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 14918 lbf and spins at speeds up to 22000 RPM. Its phenolic cage ensures stability, while the P4 tolerance class guarantees high precision.

The open design allows easy lubrication, making maintenance straightforward. It performs reliably in temperatures from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or high-speed motors. Weighing 0.88kg, it offers a robust yet lightweight solution for demanding environments.

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Product Parameters

  • Part Number 7213 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 23 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 14918 lbf
  • Static Radial Load 11925 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.88 kg
  • Price（$） 56.466
Super Precision Angular Contact Ball Bearings 7213 CD/HCP4A dimension drawing
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Features

Performance Features of 7213 CD/HCP4A Bearing

7213 CD/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 14918 lbf, it excels in demanding applications.

How Does 7213 CD/HCP4A Bearing Achieve High-Speed Performance?

7213 CD/HCP4A Bearing’s ceramic balls and precision design enable smooth operation at speeds up to 22,000 rpm.
The open seal type and lubrication ensure minimal heat generation during high-speed use.
Its P4 tolerance class guarantees consistent performance in precision machinery.
The balanced construction reduces vibration, making it ideal for high-speed applications.

Engineered for Precision: 7213 CD/HCP4A Bearing

7213 CD/HCP4A Bearing meets ABEC-7 standards, offering exceptional accuracy for critical applications.
The chrome steel rings and ceramic balls provide excellent wear resistance and longevity.
Its preload availability allows for fine-tuning to achieve optimal performance.
With a static radial load capacity of 11925 lbf, it ensures reliability under heavy loads.

Steel vs Ceramic Bearings: Strengths of 7213 CD/HCP4A Bearing

7213 CD/HCP4A Bearing combines chrome steel rings with ceramic balls for superior performance.
This hybrid design reduces weight and friction while maintaining strength and durability.
The ceramic balls resist wear better than traditional steel balls in high-speed applications.
Its phenolic cage further enhances performance by ensuring smooth operation and reduced maintenance.

Application

Key Fields for 7213 CD/HCP4A Bearing
In high-speed machining centres, 7213 CD/HCP4A Bearing ensures smooth spindle rotation thanks to its ceramic balls and phenolic cage. The 15° contact angle provides excellent radial and axial load support.

How Does 7213 CD/HCP4A Bearing Improve Performance?
This bearing’s P4 tolerance class makes it ideal for precision applications like CNC lathes, where minimal runout is crucial. Its lubricated design reduces friction even at speeds up to 22,000 rpm.

Built for Heavy-Duty Use: 7213 CD/HCP4A Bearing
You’ll find 7213 CD/HCP4A Bearing in industrial gearboxes handling combined loads, where chrome steel rings offer lasting durability. The open seal design allows for easy relubrication during maintenance.

Medical vs Industrial: Where 7213 CD/HCP4A Bearing Excels
While suitable for medical imaging devices requiring quiet operation, 7213 CD/HCP4A Bearing truly shines in industrial robotics arms needing both precision and speed. The ceramic balls minimise heat generation during rapid movements.

Automotive vs Aerospace: Applications of 7213 CD/HCP4A Bearing
In automotive turbochargers, this bearing handles high RPMs effectively, whereas aerospace applications benefit from its consistent performance across temperature extremes (-30° to 110°C). The metric sizing ensures broad compatibility.

Q&A

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