Super Precision Angular Contact Ball Bearings 7209 CD/P4AQBTB

Super Precision Angular Contact Ball Bearings 7209 CD/P4AQBTB

The 7209 CD/P4AQBTB is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 25200 lbf and operates smoothly at speeds up to 41000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance under light preload conditions. The open design allows for easy lubrication and maintenance.

This bearing comes in a matched set of four, making it ideal for high-precision applications like machine tool spindles or robotics. It works reliably in temperatures from -30°C to 110°C.

Weighing 1.64kg, it balances strength and precision. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for seamless replacements.

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Product Parameters

  • Part Number 7209 CD/P4AQBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <>>> QBT
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 25200 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 1.64 kg

Features

Performance Features of 7209 CD/P4AQBTB Bearing

7209 CD/P4AQBTB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls provide strength, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 25200 lbf, it handles demanding conditions reliably.

The P4A tolerance class guarantees precision, making it suitable for high-performance machinery.

Application

Industrial Uses of 7209 CD/P4AQBTB Bearing
7209 CD/P4AQBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of four bearings provides stability in demanding industrial environments.

In automotive applications, 7209 CD/P4AQBTB Bearing supports high-speed components like turbochargers and gearbox shafts. Its light preload and phenolic cage contribute to smooth performance under angular loads.

For medical imaging devices, 7209 CD/P4AQBTB Bearing’s P4A tolerance class guarantees the precision needed for consistent operation. The chrome steel construction also offers durability in critical healthcare equipment.

Automation systems benefit from 7209 CD/P4AQBTB Bearing’s ability to handle both radial and axial loads in robotic arms. The lubricated design reduces maintenance needs, making it ideal for continuous operation.

In consumer electronics, 7209 CD/P4AQBTB Bearing can be found in high-end printers, where its quiet operation and reliability are key. The metric sizing ensures compatibility with various European and Asian device designs.

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