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Super Precision Angular Contact Ball Bearings 71909 ACE/HCP4ALDGA

Super Precision Angular Contact Ball Bearings 71909 ACE/HCP4ALDGA

The 71909 ACE/HCP4ALDGA 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 3578 lbf and spins smoothly at speeds up to 41,000 RPM.

Its open design and phenolic cage ensure low friction and long-lasting performance, even in temperatures from -30°C to 110°C. The extra-light preload (Class A) enhances precision for demanding applications.

This bearing comes in a universal matched set of two, allowing flexible arrangements like back-to-back or face-to-face. Ideal for high-speed machinery, spindles, or precision tools where accuracy is key.

Weighing just 0.23kg, it meets P4A tolerance standards for reliable performance. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71909 ACE/HCP4ALDGA
  • 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 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 3578 lbf
  • Static Radial Load 2902 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.23 kg
Super Precision Angular Contact Ball Bearings 71909 ACE/HCP4ALDGA dimension drawing
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Features

Performance Features of 71909 ACE/HCP4ALDGA Bearing

71909 ACE/HCP4ALDGA Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.
Its 25° contact angle provides excellent radial and axial load capacity, making it versatile for various applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 41,000 rpm, it delivers reliable performance in precision tasks.

71909 ACE/HCP4ALDGA Bearing’s universal matching design allows flexible arrangement options like back-to-back or face-to-face.
Its extra light preload ensures minimal friction, ideal for high-precision machinery.

The bearing operates efficiently within a temperature range of -30°C to 110°C.
Its lubricated design further reduces maintenance needs, ensuring long service life.

Application

Common Applications of 71909 ACE/HCP4ALDGA Bearing
71909 ACE/HCP4ALDGA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.

In robotics, 71909 ACE/HCP4ALDGA Bearing supports articulated arms, providing stability during repetitive movements. Its phenolic cage offers lightweight durability, ideal for automated systems.

For aerospace components, 71909 ACE/HCP4ALDGA Bearing’s universal matching feature allows flexible mounting in tight spaces. The P4A tolerance class ensures reliability in critical flight systems.

Medical imaging devices benefit from 71909 ACE/HCP4ALDGA Bearing’s low vibration and high-speed capabilities. The chrome steel rings and ceramic balls maintain performance in sterile environments.

Q&A

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