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Super Precision Angular Contact Ball Bearings 7213 CDGB/P4A

Super Precision Angular Contact Ball Bearings 7213 CDGB/P4A

The 7213 CDGB/P4A is a super precision angular contact ball bearing with a 65mm bore and 120mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 14918 lbf and operates smoothly at speeds up to 32,500 RPM.

With a 15° contact angle and phenolic cage, it offers low friction and reliable performance. The open design allows for easy lubrication, extending its service life.

This bearing is ideal for high-precision applications like machine tool spindles or industrial pumps. Its P4A tolerance class ensures consistent accuracy under demanding conditions.

Weighing 1.03kg, it’s part of a universal matching set for flexible arrangements. Suitable for temperatures from -30°C to 110°C, it’s a versatile choice for engineers.

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Product Parameters

  • Part Number 7213 CDGB/P4A
  • 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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 14918 lbf
  • Static Radial Load 11925 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 1.03 kg
  • Price（$） 144.45
Super Precision Angular Contact Ball Bearings 7213 CDGB/P4A dimension drawing
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Features

Performance Features of 7213 CDGB/P4A Bearing

7213 CDGB/P4A Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 15° contact angle ensures optimal load distribution, enhancing performance in dynamic conditions.
With a dynamic radial load capacity of 14918 lbf, it handles demanding tasks with ease.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

How Is 7213 CDGB/P4A Bearing Engineered for Reliability?

7213 CDGB/P4A Bearing features a P4A tolerance class, guaranteeing exceptional precision in high-speed operations.
Its open design allows for easy lubrication, ensuring smooth performance up to 32,500 rpm.
The chrome steel construction resists wear, making it suitable for rigorous industrial use.
Light preload class B ensures consistent operation without excessive friction.

Built for Precision: 7213 CDGB/P4A Bearing

7213 CDGB/P4A Bearing’s 15.875 mm balls and 15-ball arrangement provide balanced load handling.
Its universal matching capability allows flexible configurations like back-to-back or face-to-face setups.
The phenolic cage material reduces weight while maintaining structural integrity.
Operating between -30°C to 110°C, it performs reliably in varied temperature conditions.

Steel vs Ceramic Bearings: Strengths of 7213 CDGB/P4A Bearing

7213 CDGB/P4A Bearing uses chrome steel for rings and balls, ensuring durability and cost-effectiveness.
Its static radial load capacity of 11925 lbf makes it robust for precision applications.
The phenolic cage offers quiet operation, ideal for high-speed environments.
Weighing 1.03 kg, it balances strength and manageable installation.

Application

Industrial Uses of 7213 CDGB/P4A Bearing
7213 CDGB/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design help maintain accuracy during operations. The light preload ensures smooth rotation, reducing vibration in demanding industrial settings.

Where Is 7213 CDGB/P4A Bearing Used?
In automotive applications, 7213 CDGB/P4A Bearing supports components like wheel hubs and transmissions, thanks to its ability to handle both radial and axial loads. Its phenolic cage offers durability under high-speed conditions.

Built for Heavy-Duty Use: 7213 CDGB/P4A Bearing
For robotics and automation, 7213 CDGB/P4A Bearing provides reliable performance in robotic arms and CNC machines. The P4A tolerance class ensures consistent precision, even in repetitive tasks.

Automotive vs Aerospace: Applications of 7213 CDGB/P4A Bearing
In aerospace, 7213 CDGB/P4A Bearing is suited for flight control systems due to its high-speed capabilities and temperature resistance. Automotive uses include electric vehicle motors, where its low friction improves efficiency.

Practical Applications of 7213 CDGB/P4A Bearing
Medical imaging devices benefit from 7213 CDGB/P4A Bearing’s quiet operation and precision. The chrome steel construction ensures long-term reliability in critical healthcare equipment.

Q&A

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