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Super Precision Angular Contact Ball Bearings 71909 FE/P4ADBA

Super Precision Angular Contact Ball Bearings 71909 FE/P4ADBA

The 71909 FE/P4ADBA is a super precision angular contact ball bearing, measuring 45mm by 68mm by 24mm. Made from chrome steel, it features a phenolic cage for smooth operation and durability.

With a contact angle of 18°, it handles both radial and axial loads efficiently, supporting up to 3712 lbf dynamically. It spins at speeds up to 41,000 RPM, making it suitable for high-performance applications.

The open design allows easy lubrication, while the matched pair arrangement (DB) ensures stability under load. Its P4A tolerance class guarantees precise performance.

Ideal for machine tools or spindle drives where accuracy is key. Weighing 0.26kg, it’s lightweight yet robust. Works in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71909 FE/P4ADBA
  • 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 18°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3712 lbf
  • Static Radial Load 3015 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.26 kg
Super Precision Angular Contact Ball Bearings 71909 FE/P4ADBA dimension drawing
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Features

Performance Features of 71909 FE/P4ADBA Bearing

71909 FE/P4ADBA Bearing is designed with an 18° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 3712 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 41,000 rpm.
Precision P4A tolerance guarantees consistent performance in demanding conditions.

With matched arrangement for paired use, 71909 FE/P4ADBA Bearing offers stability and reliability.
Its extra light preload reduces friction, extending service life in precision machinery.

The open design allows easy lubrication, maintaining efficiency across a temperature range of -30°C to 110°C.
Weighing just 0.26 kg, it balances strength and lightweight performance.

Application

Industrial Uses of 71909 FE/P4ADGA Bearing
In high-speed machine tools, 71909 FE/P4ADGA Bearing excels with its precision angular contact design, ensuring smooth operation under radial and axial loads. The matched arrangement of two bearings enhances stability in demanding applications.

Where Is 71909 FE/P4ADGA Bearing Used?
You’ll often find 71909 FE/P4ADGA Bearing in automotive transmissions, where its extra light preload reduces friction and improves efficiency. The phenolic cage material also helps withstand high rotational speeds.

Built for Heavy-Duty Use: 71909 FE/P4ADGA Bearing
This bearing is a reliable choice for industrial robots, handling repetitive motions with consistent accuracy. Its chrome steel construction ensures durability even in continuous operation environments.

Automotive vs Aerospace: Applications of 71909 FE/P4ADGA Bearing
In automotive systems, 71909 FE/P4ADGA Bearing supports gearbox performance, while in aerospace, its precision makes it suitable for actuator mechanisms. The P4A tolerance class guarantees tight performance standards.

Perfect Fit for Automation: 71909 FE/P4ADGA Bearing
For automated production lines, 71909 FE/P4ADGA Bearing offers low friction and high-speed capability. Its open design allows for easy lubrication, extending service life in busy factories.

Q&A

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