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Super Precision Angular Contact Ball Bearings 71909 CE/HCP4AQBCA

Super Precision Angular Contact Ball Bearings 71909 CE/HCP4AQBCA

The 71909 CE/HCP4AQBCA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and comes in a matched set of four bearings for balanced performance.

With ceramic balls and a phenolic cage, it handles radial loads up to 6075 lbf and spins smoothly at speeds up to 41,000 RPM. Its extra-light preload ensures minimal friction and precise operation.

The open design allows easy lubrication, while the P4A tolerance class guarantees high accuracy. Ideal for applications like machine tool spindles or high-speed robotics where precision is key.

Weighing 0.47kg, it’s lightweight yet robust, and operates reliably in temperatures from -30°C to 110°C. A versatile choice for demanding industrial environments.

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Product Parameters

  • Part Number 71909 CE/HCP4AQBCA
  • 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 48 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 6075 lbf
  • Static Radial Load 6188 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.47 kg
Super Precision Angular Contact Ball Bearings 71909 CE/HCP4AQBCA dimension drawing
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Features

Performance Features of 71909 CE/HCP4AQBCA Bearing

71909 CE/HCP4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its ceramic balls and phenolic cage reduce friction, enhancing speed capabilities up to 41,000 rpm.

The chrome steel rings provide durability, while the matched arrangement of 4 bearings ensures consistent performance.
With a dynamic radial load capacity of 6075 lbf, it handles demanding angular contact loads reliably.

Extra light preload (Class A) minimises noise and vibration, ideal for high-precision machinery.
The open design allows for easy lubrication, maintaining smooth operation over extended periods.

Operating between -30°C to 110°C, 71909 CE/HCP4AQBCA Bearing performs well in varied temperature conditions.
Its P4A tolerance class guarantees exceptional accuracy for critical applications.

Application

Key Fields for 71909 CE/HCP4AQBCA Bearing
71909 CE/HCP4AQBCA Bearing is widely used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precision in demanding applications like CNC machining.

In aerospace systems, 71909 CE/HCP4AQBCA Bearing supports components requiring tight angular contact, such as helicopter rotor assemblies. Its matched arrangement of four bearings provides stability under varying loads.

For medical imaging devices, 71909 CE/HCP4AQBCA Bearing’s chrome steel rings and ceramic balls offer reliable performance in sensitive environments. The extra-light preload helps maintain smooth rotation in precision instruments.

Automotive vs Aerospace: Applications of 71909 CE/HCP4AQBCA Bearing
In automotive turbochargers, 71909 CE/HCP4AQBCA Bearing handles high rotational speeds with minimal wear. Its lubricated design ensures longevity even under continuous use.

For aerospace actuators, 71909 CE/HCP4AQBCA Bearing’s 15° contact angle provides optimal load distribution. The metric sizing makes it compatible with international aircraft components.

Built for Heavy-Duty Use: 71909 CE/HCP4AQBCA Bearing
71909 CE/HCP4AQBCA Bearing excels in industrial robotics, where its dynamic radial load capacity supports repetitive movements. The open seal design allows for easy inspection and maintenance.

In 3D printing systems, 71909 CE/HCP4AQBCA Bearing’s phenolic cage reduces vibration, improving print accuracy. The ceramic balls also resist wear in high-speed operations.

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