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Super Precision Angular Contact Ball Bearings 7212 ACD/HCP4ADBB

Super Precision Angular Contact Ball Bearings 7212 ACD/HCP4ADBB

The 7212 ACD/HCP4ADBB is a super precision angular contact ball bearing with a 60mm bore and 110mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 19890 lbf and reaches speeds of 31000 RPM, thanks to its ceramic balls and phenolic cage.

With a 25° contact angle and light preload, it offers smooth operation and high accuracy. The open design allows for easy lubrication, ensuring long service life.

This matched set of two bearings (DB arrangement) is ideal for high-speed applications like machine tool spindles or precision instruments. It operates reliably in temperatures from -30°C to 110°C.

Weighing 1.39kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance class, it ensures precise performance. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7212 ACD/HCP4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 110 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 44 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 16
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 19890 lbf
  • Static Radial Load 20250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 1.39 kg
Super Precision Angular Contact Ball Bearings 7212 ACD/HCP4ADBB dimension drawing
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Features

Performance Features of 7212 ACD/HCP4ADBB Bearing

7212 ACD/HCP4ADBB Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure smooth operation even at high speeds up to 31,000 rpm.

The phenolic cage in 7212 ACD/HCP4ADBB Bearing reduces friction and wear, enhancing durability.
With a dynamic radial load capacity of 19,890 lbf, it performs reliably in demanding applications.

7212 ACD/HCP4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class ensures consistent performance in high-accuracy machinery.

The matched arrangement of two bearings provides stability and balanced load distribution.
Light preload class B further enhances the smooth operation and longevity of 7212 ACD/HCP4ADBB Bearing.

Application

Industrial Uses of 7212 ACD/HCP4ADBB Bearing
The 7212 ACD/HCP4ADBB Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. Its ceramic balls reduce friction, making it ideal for applications requiring consistent performance.

In automotive systems, 7212 ACD/HCP4ADBB Bearing supports components like wheel hubs and transmissions, thanks to its angular contact design. The phenolic cage adds durability, even under heavy loads and high speeds.

For robotics, 7212 ACD/HCP4ADBB Bearing excels in articulated arms and joints, where its matched arrangement provides stability. The P4A tolerance class ensures accuracy in repetitive movements.

Medical imaging devices benefit from 7212 ACD/HCP4ADBB Bearing’s low friction and high-speed capabilities. Its chrome steel rings and ceramic balls offer reliability in critical diagnostic equipment.

In consumer electronics, 7212 ACD/HCP4ADBB Bearing is found in high-performance fans and printers, where quiet operation is essential. The open design allows for easy lubrication, extending its lifespan.

Q&A

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