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Super Precision Angular Contact Ball Bearings 71909 FEGA/HCP4AL

Super Precision Angular Contact Ball Bearings 71909 FEGA/HCP4AL

The 71909 FEGA/HCP4AL 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 compact 12mm width and an 18° contact angle for smooth operation.

With a dynamic radial load capacity of 2272 lbf and a max speed of 41,000 RPM, it performs reliably in high-speed applications. The ceramic balls and phenolic cage reduce friction, enhancing durability.

This open-design bearing comes pre-lubricated and operates in temperatures from -30°C to 110°C. Its P4A tolerance class ensures exceptional precision.

Ideal for machine tools or spindle drives, it can be paired in back-to-back, face-to-face, or tandem arrangements. Weighing just 0.12kg, it’s lightweight yet robust for precision machinery.

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Product Parameters

  • Part Number 71909 FEGA/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 18°
  • 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 2272 lbf
  • Static Radial Load 1508 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 FEGA/HCP4AL dimension drawing
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Features

Performance Features of 71909 FEGA/HCP4AL Bearing

71909 FEGA/HCP4AL Bearing features a precise 18° contact angle, optimised for angular contact loads.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 2272 lbf, it handles demanding applications smoothly.
The phenolic cage ensures stable operation at high speeds, up to 41,000 rpm.

Designed for extra light preload (Class A), it offers consistent performance in precision tasks.
Its P4A tolerance class guarantees high accuracy, making it suitable for critical machinery.

The open design allows easy lubrication, maintaining efficiency in varied temperature ranges.
Weighing just 0.12 kg, it balances strength and lightweight construction effectively.

Application

Key Fields for 71909 FEGA/HCP4AL Bearing
71909 FEGA/HCP4AL Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precision in demanding industrial environments.

In automotive applications, 71909 FEGA/HCP4AL Bearing supports electric motor shafts, providing smooth rotation under angular loads. Its lightweight design and high-speed capability make it suitable for modern vehicle systems.

For medical imaging devices, 71909 FEGA/HCP4AL Bearing’s chrome steel rings and ceramic balls offer reliable performance with minimal noise. The open seal design allows for easy lubrication in critical healthcare equipment.

Automation systems benefit from 71909 FEGA/HCP4AL Bearing’s extra light preload, which enhances accuracy in robotic arms. The universal matching feature simplifies installation in complex setups.

In consumer electronics, 71909 FEGA/HCP4AL Bearing’s compact size and high-speed tolerance make it ideal for precision devices like 3D printers. The phenolic cage ensures durability in continuous operation.

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