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Super Precision Angular Contact Ball Bearings 71909 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71909 ACEGA/HCP4A

The 71909 ACEGA/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 2194 lbf and spins at speeds up to 41,000 RPM, thanks to its ceramic balls and phenolic cage.

With a 25° contact angle and extra light preload, it offers smooth operation and low friction. The open design allows for easy lubrication, ensuring long service life.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. Its P4A tolerance class guarantees exceptional accuracy.

Weighing just 0.12kg, it’s lightweight yet robust. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number 71909 ACEGA/HCP4A
  • 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 25°
  • 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 2194 lbf
  • Static Radial Load 1440 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 ACEGA/HCP4A dimension drawing
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Features

Performance Features of 71909 ACEGA/HCP4A Bearing

71909 ACEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of angular loads, making it suitable for demanding applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 2194 lbf, it delivers reliable operation under stress.

71909 ACEGA/HCP4A Bearing operates smoothly at speeds up to 41,000 rpm, balancing speed and stability.
Its extra light preload ensures minimal resistance, ideal for precision tasks.

The open seal design simplifies maintenance while the P4A tolerance class guarantees consistent accuracy.
Its temperature range of -30°C to 110°C ensures performance in varied environments.

Application

Key Fields for 71909 ACEGA/HCP4A Bearing
71909 ACEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design and light preload make it ideal for applications requiring minimal resistance.

In robotics, 71909 ACEGA/HCP4A Bearing supports articulated arms, ensuring accurate movement with its angular contact design. The phenolic cage adds durability, even in continuous operation.

For aerospace components, 71909 ACEGA/HCP4A Bearing handles radial and axial loads efficiently, thanks to its chrome steel rings. Its high-speed capability makes it suitable for turbine systems and flight control mechanisms.

Medical imaging devices benefit from 71909 ACEGA/HCP4A Bearing’s low vibration and precise tolerance. The ceramic balls and P4A class ensure reliability in sensitive diagnostic equipment.

In automotive electric motors, 71909 ACEGA/HCP4A Bearing provides stable performance under angular loads. Its lubricated design and temperature range make it adaptable to various driving conditions.

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