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Super Precision Angular Contact Ball Bearings 71909 ACEGA/P4A

Super Precision Angular Contact Ball Bearings 71909 ACEGA/P4A

The 71909 ACEGA/P4A 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 25° contact angle and is designed for angular contact loads, handling up to 2194 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at high speeds, reaching up to 41,000 RPM. The bearing comes preloaded for extra light performance, making it ideal for precision applications.

This model is interchangeable with SKF bearings and can be used in universal matching sets for back-to-back or face-to-face arrangements. Suitable for machine tools or high-speed spindles where accuracy is key.

Weighing just 0.13kg, it’s lightweight yet durable, operating efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71909 ACEGA/P4A
  • 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 Chrome Steel
  • 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 0.13 kg
Super Precision Angular Contact Ball Bearings 71909 ACEGA/P4A dimension drawing
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Features

Performance Features of 71909 ACEGA/P4A Bearing

71909 ACEGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 2194 lbf, it handles demanding conditions reliably.
The extra light preload (Class A) enhances precision, making it suitable for high-speed operations up to 41,000 rpm.

71909 ACEGA/P4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The open design simplifies lubrication, ensuring smooth performance over time.
Precision tolerances (P4A) guarantee consistent accuracy in critical applications.

Application

Key Fields for 71909 ACEGA/P4A Bearing
71909 ACEGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The extra light preload makes it suitable for applications requiring minimal friction.

In automotive applications, 71909 ACEGA/P4A Bearing supports components like electric motors and gearboxes, thanks to its high-speed capability. The phenolic cage material helps reduce weight while maintaining durability.

For automation systems, 71909 ACEGA/P4A Bearing is ideal for robotic arms and CNC machines, where its P4A tolerance class guarantees consistent operation. The open seal type allows for easy lubrication and maintenance.

In medical imaging devices, 71909 ACEGA/P4A Bearing’s chrome steel construction ensures reliable performance under demanding conditions. The 25° contact angle provides excellent load distribution for smooth rotation.

Consumer electronics like high-end printers benefit from 71909 ACEGA/P4A Bearing’s low-noise operation and high-speed performance. Its compact size makes it a practical choice for space-constrained designs.

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