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Super Precision Angular Contact Ball Bearings S71909 ACE/P4ADGA

Super Precision Angular Contact Ball Bearings S71909 ACE/P4ADGA

The S71909 ACE/P4ADGA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3578 lbf and spins smoothly at speeds up to 41,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The bearing operates reliably in temperatures from -30°C to 110°C.

This model comes in a matched set of two, allowing flexible arrangements like back-to-back or face-to-face. Ideal for high-precision applications such as machine tools or spindle drives where accuracy is key.

Weighing just 0.25kg, it’s lightweight yet robust, with a 25° contact angle for optimal load distribution. Compliant with P4A tolerance class for exceptional precision.

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Product Parameters

  • Part Number S71909 ACE/P4ADGA
  • 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 Sealed
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3578 lbf
  • Static Radial Load 2902 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.25 kg
Super Precision Angular Contact Ball Bearings S71909 ACE/P4ADGA dimension drawing
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Features

Why Choose S71909 ACE/P4ADGA Bearing for Precision Tasks?

S71909 ACE/P4ADGA Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its universal matching design allows flexible arrangements like back-to-back or face-to-face, catering to various application needs.

The extra light preload ensures smooth operation, minimising friction and enhancing performance.
With a maximum speed of 41,000 rpm, it excels in high-speed applications while maintaining accuracy.

Chrome steel rings and balls provide durability, while the phenolic cage reduces weight and noise.
Its P4A tolerance class guarantees exceptional precision, making it suitable for demanding tasks.

Sealed design and grease lubrication ensure long service life with minimal maintenance.
The temperature range of -30°C to 110°C allows reliable operation in diverse environments.

Application

Key Fields for S71909 ACE/P4ADGA Bearing
S71909 ACE/P4ADGA Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure smooth operation. The sealed construction keeps contaminants out, extending its lifespan in demanding environments.

In automotive applications, S71909 ACE/P4ADGA Bearing supports components like electric motors and transmissions, offering reliable performance under radial and axial loads. Its universal matching feature allows for flexible installation in various configurations.

For medical imaging devices, S71909 ACE/P4ADGA Bearing’s phenolic cage and chrome steel construction provide stability and low friction. This makes it suitable for delicate equipment where consistent accuracy is essential.

Automation systems benefit from S71909 ACE/P4ADGA Bearing’s high-speed capabilities, particularly in robotic arms and CNC machinery. The extra light preload ensures minimal vibration during operation.

In consumer electronics, S71909 ACE/P4ADGA Bearing can be found in precision devices like 3D printers, where its tight tolerances contribute to accurate movements. The grease lubrication reduces maintenance needs for long-term use.

Q&A

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