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Super Precision Angular Contact Ball Bearings 7012 CBGA/HCP4A

Super Precision Angular Contact Ball Bearings 7012 CBGA/HCP4A

The 7012 CBGA/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 95mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 3285 lbf and spins at speeds up to 33,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures quiet running and long service life.

The open design allows easy lubrication, while the P4A tolerance class guarantees precision. Ideal for machine tools or spindle applications where accuracy is key.

Weighing 0.43kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 7012 CBGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 95 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.747 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3285 lbf
  • Static Radial Load 2700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.43 kg
Super Precision Angular Contact Ball Bearings 7012 CBGA/HCP4A dimension drawing
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Features

Performance Features of 7012 CBGA/HCP4A Bearing

7012 CBGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 15° contact angle ensures efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 33,000 rpm, it excels in high-speed applications.

7012 CBGA/HCP4A Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal friction and optimal efficiency.

The open design allows for easy lubrication, extending the bearing’s service life.
Its P4A tolerance class guarantees precision and reliability in demanding conditions.

Application

Industrial Uses of 7012 CBGA/HCP4A Bearing
7012 CBGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, making it ideal for spindle applications.

In robotics, 7012 CBGA/HCP4A Bearing supports articulated arms, providing smooth motion and long service life. Its angular contact design handles combined radial and axial loads efficiently.

For aerospace components, 7012 CBGA/HCP4A Bearing’s lightweight construction and high-speed capability are well-suited for actuators and control systems. The extra-light preload enhances performance in demanding flight conditions.

Where Is 7012 CBGA/HCP4A Bearing Used?
You’ll often find 7012 CBGA/HCP4A Bearing in precision grinding machines, where its low vibration and high rigidity improve surface finish quality. The open design allows for easy lubrication access.

In electric motors, 7012 CBGA/HCP4A Bearing’s ceramic balls minimise electrical arcing, extending the motor’s lifespan. The 15° contact angle optimises load distribution during high-speed rotation.

Built for Heavy-Duty Use: 7012 CBGA/HCP4A Bearing
7012 CBGA/HCP4A Bearing excels in gearbox applications, where its chrome steel rings withstand constant shock loads. The matched set option provides additional stability for paired installations.

For printing machinery, 7012 CBGA/HCP4A Bearing maintains precise registration during high-speed operation. Its temperature stability ensures consistent performance in varying workshop conditions.

Automotive vs Aerospace: Applications of 7012 CBGA/HCP4A Bearing
In automotive turbochargers, 7012 CBGA/HCP4A Bearing handles extreme rotational speeds while maintaining oil-free operation. The ceramic balls resist heat better than traditional steel versions.

For satellite mechanisms, 7012 CBGA/HCP4A Bearing’s vacuum-compatible materials and precision tolerances ensure reliable performance in space environments. The universal matching simplifies assembly in complex systems.

Q&A

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