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Super Precision Angular Contact Ball Bearings 71909 CEGB/P4A

Super Precision Angular Contact Ball Bearings 71909 CEGB/P4A

The 71909 CEGB/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and is designed for light preload applications.

With a dynamic radial load capacity of 2340 lbf, it spins smoothly at speeds up to 41,000 RPM. The open design and phenolic cage ensure reliable performance and easy maintenance.

This bearing is ideal for high-precision machinery like spindles or CNC tools, where accuracy is key. It operates well in temperatures from -30°C to 110°C and comes lubricated for immediate use.

Weighing just 0.13kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings, making it a versatile choice for replacements. Suitable for matched arrangements in back-to-back, face-to-face, or tandem configurations.

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Product Parameters

  • Part Number 71909 CEGB/P4A
  • 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 12 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 No
  • Number Of Bearings In Matched Set 2
  • 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 2340 lbf
  • Static Radial Load 1530 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71909 CEGB/P4A dimension drawing
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Features

Performance Features of 71909 CEGB/P4A Bearing

71909 CEGB/P4A Bearing is crafted with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 2340 lbf, it performs reliably in high-speed applications.
The P4A tolerance class guarantees precision, making it suitable for demanding machinery.

71909 CEGB/P4A Bearing operates smoothly at speeds up to 41,000 rpm, maintaining efficiency.
Its open design allows for easy lubrication, ensuring consistent performance over time.

The lightweight construction at 0.13 kg makes it easy to handle without compromising strength.
It can withstand temperatures from -30°C to 110°C, adapting to various working conditions.

Application

Industrial Uses of 71909 CEGB/P4A Bearing
71909 CEGB/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

In automotive systems, 71909 CEGB/P4A Bearing supports components like electric motors and gearboxes, where its 15° contact angle handles combined loads effectively. The chrome steel construction provides durability in demanding environments.

For automation equipment, 71909 CEGB/P4A Bearing’s phenolic cage reduces friction, making it ideal for robotic arms and CNC machines. Its high-speed capability (up to 41,000 rpm) ensures smooth operation in continuous-use scenarios.

Medical imaging devices benefit from 71909 CEGB/P4A Bearing’s precise movement and low noise levels. The open design allows for easy lubrication, maintaining performance in critical healthcare applications.

In consumer electronics, 71909 CEGB/P4A Bearing is found in high-performance fans and printers, where its compact size and reliability are key. The metric dimensions ensure compatibility with various international designs.

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