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Super Precision Angular Contact Ball Bearings S71903 ACDGD/P4A
Super Precision Angular Contact Ball Bearings S71903 ACDGD/P4A

Super Precision Angular Contact Ball Bearings S71903 ACDGD/P4A

The S71903 ACDGD/P4A is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm, crafted from durable chrome steel. It features a 25° contact angle and comes sealed for protection, with a heavy preload for stability.

This bearing handles dynamic radial loads up to 893 lbf and spins smoothly at speeds up to 85,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in temperatures from -30°C to 110°C.

Designed for matched arrangements, it works well in back-to-back, face-to-face, or tandem setups. Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and reliability are key.

Weighing just 0.017kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71903 ACDGD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 17 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 30 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 893 lbf
  • Static Radial Load 450 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 85000 rpm
  • Weight 0.017 kg

Features

Why Choose S71903 ACDGD/P4A Bearing for Precision Tasks?

S71903 ACDGD/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 893 lbf, it handles demanding tasks efficiently.
The sealed design and grease lubrication minimise maintenance, extending its service life.

S71903 ACDGD/P4A Bearing operates at speeds up to 85,000 rpm, making it ideal for high-speed machinery.
Its P4A tolerance class guarantees exceptional precision in performance-critical applications.

Application

Industrial Uses of S71903 ACDGD/P4A Bearing
S71903 ACDGD/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 S71903 ACDGD/P4A Bearing a Preferred Choice?
In robotics, S71903 ACDGD/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and chrome steel components. Its matched arrangement option also allows for better load distribution in complex setups.

Medical vs Industrial: Where S71903 ACDGD/P4A Bearing Excels
For medical imaging devices, S71903 ACDGD/P4A Bearing offers reliable operation due to its P4A tolerance class and grease lubrication. In industrial settings, it handles heavy preloads well, making it suitable for spindle applications.

Built for Heavy-Duty Use: S71903 ACDGD/P4A Bearing
S71903 ACDGD/P4A Bearing works well in automotive transmissions, where its 25° contact angle manages combined radial and thrust loads effectively. The high max speed rating ensures it can keep up with demanding drivetrain requirements.

How Does S71903 ACDGD/P4A Bearing Support High-Speed Operations?
In 3D printers, S71903 ACDGD/P4A Bearing enables precise linear motion due to its super precision design. The lightweight construction also helps reduce inertia, improving overall print accuracy and speed.

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