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Super Precision Angular Contact Ball Bearings 7213 CD/PA9AQBCC

Super Precision Angular Contact Ball Bearings 7213 CD/PA9AQBCC

The 7213 CD/PA9AQBCC 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 40050 lbf and operates smoothly at speeds up to 32500 RPM.

Its 15° contact angle and moderate preload (Class C) ensure stable performance under angular loads. The phenolic cage offers lightweight strength, while the open design allows easy lubrication.

This set includes four matched bearings (QBC arrangement), ideal for high-precision applications like machine tool spindles. It works reliably in temperatures from -30°C to 110°C.

Weighing 4.11kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 7213 CD/PA9AQBCC
  • 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 92 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 40050 lbf
  • Static Radial Load 47700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 4.11 kg
Super Precision Angular Contact Ball Bearings 7213 CD/PA9AQBCC dimension drawing
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Features

Performance Features of 7213 CD/PA9AQBCC Bearing

7213 CD/PA9AQBCC Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability and high load capacity, with a dynamic radial load of 40050 lbf.
The phenolic cage provides stability and reduces friction, enhancing performance at high speeds up to 32,500 rpm.
Preloaded moderately for precision, it suits applications requiring tight tolerance and smooth operation.

Application

Industrial Uses of 7213 CD/PA9AQBCC Bearing
This bearing is commonly used in high-speed machine tools, where its moderate preload and precision design ensure smooth operation. The 15° contact angle makes it suitable for handling combined radial and axial loads efficiently.

Where Is 7213 CD/PA9AQBCC Bearing Used?
You’ll find 7213 CD/PA9AQBCC Bearing in automotive applications like electric motors and gearboxes, thanks to its high dynamic radial load capacity. Its phenolic cage also reduces friction, which is ideal for high-speed scenarios.

Optimized for Performance: 7213 CD/PA9AQBCC Bearing
In robotics and automation, 7213 CD/PA9AQBCC Bearing excels due to its matched arrangement and PA9A tolerance class. The chrome steel construction ensures durability even in demanding environments.

Automotive vs Aerospace: Applications of 7213 CD/PA9AQBCC Bearing
While 7213 CD/PA9AQBCC Bearing is popular in automotive systems for its speed capabilities, it’s also trusted in aerospace for precision instrumentation. The open design allows for easy lubrication, extending its service life.

Key Fields for 7213 CD/PA9AQBCC Bearing
Medical imaging devices benefit from 7213 CD/PA9AQBCC Bearing’s quiet and smooth operation. The phenolic cage material ensures minimal vibration, which is critical for sensitive equipment.

Q&A

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