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Super Precision Angular Contact Ball Bearings 71909 CE/P4ADGA

Super Precision Angular Contact Ball Bearings 71909 CE/P4ADGA

The 71909 CE/P4ADGA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a universal matching set of two bearings for versatile mounting options.

This bearing handles radial loads up to 3780 lbf and can spin at impressive speeds up to 41,000 RPM. Its phenolic cage ensures smooth operation, while the extra light preload (Class A) minimises friction for enhanced performance.

The open design allows for easy lubrication, and it operates reliably in temperatures from -30°C to 110°C. With a P4A tolerance class, it offers exceptional precision for demanding applications.

Ideal for high-speed machinery like spindles or precision tools, this 0.26kg bearing is interchangeable with SKF models. Its universal matching capability supports back-to-back, face-to-face, or tandem arrangements for flexible installation.

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Product Parameters

  • Part Number 71909 CE/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3780 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.26 kg
  • Price（$） 212.958
Super Precision Angular Contact Ball Bearings 71909 CE/P4ADGA dimension drawing
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Features

Performance Features of 71909 CE/P4ADGA Bearing

71909 CE/P4ADGA Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 3780 lbf, it excels in demanding applications.

How Is 71909 CE/P4ADGA Bearing Engineered for Reliability?

71909 CE/P4ADGA Bearing features universal matching, enabling flexible arrangements like back-to-back or face-to-face.
Its extra light preload ensures smooth operation, ideal for high-speed applications up to 41,000 rpm.
The open design and lubrication reduce maintenance needs while maintaining efficiency.
With a P4A tolerance class, it guarantees exceptional precision and reliability.

Built for Precision: 71909 CE/P4ADGA Bearing

71909 CE/P4ADGA Bearing’s chrome steel construction provides excellent wear resistance and longevity.
The 21-ball design with 6.35 mm balls ensures balanced load distribution and reduced vibration.
Its temperature range of -30°C to 110°C makes it suitable for various operating conditions.
The matched set of two bearings offers versatility for complex mounting requirements.

Application

Essential Roles of 71909 CE/P4ADGA Bearing
71909 CE/P4ADGA Bearing is widely used in high-speed machine spindles, where its 15° contact angle ensures precise radial and axial load distribution. The phenolic cage reduces friction, making it suitable for applications demanding quiet operation.

In robotics, 71909 CE/P4ADGA Bearing supports articulated arms, providing smooth movement thanks to its universal matching design. The extra light preload helps maintain accuracy in repetitive tasks.

For medical imaging devices, 71909 CE/P4ADGA Bearing’s P4A tolerance class guarantees the precision needed for clear scans. Its chrome steel construction also ensures longevity in sterile environments.

Automotive enthusiasts appreciate 71909 CE/P4ADGA Bearing in performance gearboxes, where its high-speed capability (up to 41,000 rpm) enhances shifting smoothness. The tandem arrangement option allows for custom setups in racing applications.

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