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Super Precision Angular Contact Ball Bearings 7212 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7212 CDGA/HCP4A

The 7212 CDGA/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 110mm 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 12870 lbf and spins at speeds up to 32500 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability and reduces friction.

Designed for angular contact loads, it comes with an extra light preload (Class A) for precision. The open seal allows easy lubrication and maintenance.

Ideal for machine tools or high-speed spindles, it operates in temperatures from -30°C to 110°C. Weighing 0.69kg, it’s part of a universal matching set for versatile mounting options.

Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades. Its P4A tolerance class ensures exceptional accuracy for demanding tasks.

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Product Parameters

  • Part Number 7212 CDGA/HCP4A
  • 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 22 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 16
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 12870 lbf
  • Static Radial Load 10462 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.69 kg
  • Price（$） 172.17
Super Precision Angular Contact Ball Bearings 7212 CDGA/HCP4A dimension drawing
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Features

Performance Features of 7212 CDGA/HCP4A Bearing

7212 CDGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 32,500 rpm.
With a dynamic radial load capacity of 12,870 lbf, it handles demanding tasks with ease.

7212 CDGA/HCP4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4A tolerance class guarantees consistent performance in precision machinery.

The open design allows for easy lubrication, extending the bearing’s service life.
Its universal matching capability makes it versatile for various mounting configurations.

Application

Key Fields for 7212 CDGA/HCP4A Bearing
In high-speed machine tools, 7212 CDGA/HCP4A Bearing excels due to its ceramic balls and phenolic cage, which reduce friction and heat buildup. The P4A tolerance ensures precision for tasks like milling and grinding.

Where Is 7212 CDGA/HCP4A Bearing Used?
You’ll often find 7212 CDGA/HCP4A Bearing in aerospace applications, such as helicopter rotor systems, where its angular contact design handles combined loads effortlessly. The extra-light preload also minimises vibration.

Built for Heavy-Duty Use: 7212 CDGA/HCP4A Bearing
This bearing is a go-to for industrial pumps, thanks to its chrome steel rings and lubricated design. It withstands constant radial and axial loads without compromising speed or accuracy.

Automotive vs Aerospace: Applications of 7212 CDGA/HCP4A Bearing
In automotive turbochargers, 7212 CDGA/HCP4A Bearing’s high-speed capability shines, while in aerospace gyroscopes, its precision is unmatched. The universal matching option adds versatility for custom setups.

Perfect Fit for Automation: 7212 CDGA/HCP4A Bearing
Robotic arms benefit from 7212 CDGA/HCP4A Bearing’s low friction and high rigidity, ensuring smooth, repeatable movements. The temperature range suits both indoor and outdoor automation systems.

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