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Super Precision Angular Contact Ball Bearings S71909 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S71909 ACDGA/P4A

The S71909 ACDGA/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. Its compact 12mm width makes it suitable for tight spaces while maintaining high performance.

Designed for angular contact loads, it handles dynamic radial loads up to 2790 lbf and spins smoothly at speeds up to 41,000 RPM. The sealed design and grease lubrication ensure low maintenance and long service life.

With a 25° contact angle and P4A tolerance class, it offers excellent precision for demanding applications. The phenolic cage enhances durability and reduces friction.

Ideal for high-speed machinery like spindles or robotics, it operates reliably in temperatures from -30°C to 110°C. Weighing just 0.13kg, it’s lightweight yet robust. This model is interchangeable with SKF bearings, offering flexibility in replacements.

The bearing can be arranged in back-to-back, face-to-face, or tandem configurations, making it versatile for various setups. Its universal matching feature allows easy pairing with other bearings in a set.

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Product Parameters

  • Part Number S71909 ACDGA/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 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 2790 lbf
  • Static Radial Load 2025 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings S71909 ACDGA/P4A dimension drawing
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Features

Performance Features of S71909 ACDGA/P4A Bearing

S71909 ACDGA/P4A Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 25° contact angle ensures optimal load distribution, enhancing performance in high-speed operations.
The phenolic cage maintains ball alignment, reducing friction and wear.
With a maximum speed of 41,000 rpm, it delivers reliable efficiency in demanding conditions.

Application

Industrial Uses of S71909 ACDGA/P4A Bearing
S71909 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The sealed construction helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

What Makes S71909 ACDGA/P4A Bearing a Preferred Choice?
In robotics, S71909 ACDGA/P4A Bearing provides smooth motion control for robotic arms, thanks to its extra light preload and high-speed capability. The phenolic cage reduces friction, making it ideal for repetitive movements.

Automotive vs Aerospace: Applications of S71909 ACDGA/P4A Bearing
For automotive applications, S71909 ACDGA/P4A Bearing supports components like electric motors, where its grease lubrication ensures quiet operation. In aerospace, its P4A tolerance class meets the strict precision requirements for flight control systems.

Perfect Fit for Automation: S71909 ACDGA/P4A Bearing
S71909 ACDGA/P4A Bearing works well in automated production lines, handling both radial and axial loads efficiently. Its chrome steel construction offers durability, even in continuous operation scenarios.

Medical vs Industrial: Where S71909 ACDGA/P4A Bearing Excels
In medical imaging devices, S71909 ACDGA/P4A Bearing’s high precision ensures reliable performance for critical diagnostics. Industrial pumps benefit from its ability to handle mixed loads while maintaining stability.

Q&A

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