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Super Precision Angular Contact Ball Bearings 7213 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7213 ACDGA/HCP4A

The 7213 ACDGA/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 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 14332 lbf and spins at speeds up to 32500 RPM. Its phenolic cage ensures quiet performance, while the open design allows easy lubrication.

With P4A tolerance class, it offers extra-light preload for high-precision applications. The bearing works in temperatures from -30°C to 110°C.

Ideal for machine tools or high-speed spindles, it can be arranged back-to-back, face-to-face, or tandem. Weighing 0.88kg, it’s robust yet manageable for precision engineering needs.

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Product Parameters

  • Part Number 7213 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 23 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 15
  • Contact Angle 25°
  • 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 14332 lbf
  • Static Radial Load 11475 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.88 kg
Super Precision Angular Contact Ball Bearings 7213 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 7213 ACDGA/HCP4A Bearing

7213 ACDGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage in 7213 ACDGA/HCP4A Bearing ensures smooth operation, even at high speeds up to 32,500 rpm.
This design also helps maintain precision under dynamic radial loads of 14,332 lbf.

7213 ACDGA/HCP4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload (Class A) ensures consistent performance in precision tasks.

With a P4A tolerance class, 7213 ACDGA/HCP4A Bearing meets high accuracy requirements.
The lubricated design further enhances its reliability and longevity.

Application

Common Applications of 7213 ACDGA/HCP4A Bearing
7213 ACDGA/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.

In robotics, 7213 ACDGA/HCP4A Bearing supports articulated arms, providing stability and load capacity for repetitive movements. Its phenolic cage offers lightweight durability, ideal for automated systems.

For aerospace components, 7213 ACDGA/HCP4A Bearing handles both radial and axial loads in navigation systems. The P4A tolerance class guarantees consistent performance in critical environments.

Where Is 7213 ACDGA/HCP4A Bearing Used?
You’ll find 7213 ACDGA/HCP4A Bearing in dental drills, where its high-speed capability and precision are essential. The open design allows for easy lubrication, extending service life.

In packaging machinery, 7213 ACDGA/HCP4A Bearing ensures smooth conveyor belt operation. Its extra-light preload reduces vibration, improving efficiency in production lines.

Built for Heavy-Duty Use: 7213 ACDGA/HCP4A Bearing
7213 ACDGA/HCP4A Bearing excels in wind turbine yaw systems, handling variable loads with reliability. The chrome steel rings provide strength against harsh weather conditions.

For CNC lathes, 7213 ACDGA/HCP4A Bearing maintains precision under heavy cutting forces. Its tandem arrangement option allows for customised load distribution in complex setups.

Automotive vs Aerospace: Applications of 7213 ACDGA/HCP4A Bearing
In automotive testing equipment, 7213 ACDGA/HCP4A Bearing ensures accurate sensor readings. The ceramic balls minimise heat buildup during prolonged use.

For satellite antenna positioning, 7213 ACDGA/HCP4A Bearing offers the required angular precision. Its temperature range suits both terrestrial and orbital conditions.

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