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Super Precision Angular Contact Ball Bearings 71909 CEGA/HCP4AL

Super Precision Angular Contact Ball Bearings 71909 CEGA/HCP4AL

The 71909 CEGA/HCP4AL is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 2340 lbf and spins smoothly at speeds up to 41,000 RPM.

Its open design and phenolic cage ensure low friction and easy maintenance, while the 15° contact angle provides stability under angular loads. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a set of two, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.12kg, it’s lightweight yet robust, meeting P4A tolerance standards for exceptional accuracy. Preloaded for extra light performance, it ensures smooth operation in demanding conditions.

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Product Parameters

  • Part Number 71909 CEGA/HCP4AL
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • 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 0.12 kg
Super Precision Angular Contact Ball Bearings 71909 CEGA/HCP4AL dimension drawing
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Features

Performance Features of 71909 CEGA/HCP4AL Bearing

71909 CEGA/HCP4AL Bearing is designed with a 15° contact angle, optimising it for angular contact loads.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 41,000 rpm.
This combination of materials makes 71909 CEGA/HCP4AL Bearing suitable for precision applications.

With a dynamic radial load capacity of 2340 lbf, it handles demanding conditions reliably.
The extra light preload further enhances its performance in high-speed scenarios.

71909 CEGA/HCP4AL Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, ensuring long-term reliability.

Application

Common Applications of 71909 CEGA/HCP4AL Bearing
71909 CEGA/HCP4AL Bearing is widely used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design and phenolic cage make it suitable for environments requiring minimal lubrication.

In robotics, 71909 CEGA/HCP4AL Bearing ensures accurate movement in joints and arms, thanks to its angular contact design. Its lightweight construction also helps in reducing overall system weight.

For medical imaging devices, 71909 CEGA/HCP4AL Bearing provides reliable performance with minimal noise, essential for sensitive equipment. The P4A tolerance class ensures consistent accuracy in critical applications.

Automotive applications like electric vehicle motors benefit from 71909 CEGA/HCP4AL Bearing’s high-speed capabilities and durability. The ceramic balls enhance performance under demanding conditions.

In aerospace systems, 71909 CEGA/HCP4AL Bearing’s ability to handle angular loads makes it ideal for control mechanisms. Its temperature range ensures reliability in varying operational conditions.

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