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Super Precision Angular Contact Ball Bearings 71903 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71903 ACDGA/HCP4A

The 71903 ACDGA/HCP4A is a super precision angular contact ball bearing, measuring 17mm by 30mm by 7mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles radial loads up to 893 lbf and spins at speeds up to 121,000 RPM. Its extra light preload ensures minimal friction for high-precision applications.

The open design allows easy lubrication, while the phenolic cage provides stability. It works in temperatures from -30°C to 110°C, making it versatile for various environments.

Ideal for high-speed machinery like spindles or dental tools, this bearing is interchangeable with SKF models. Weighing just 0.015kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71903 ACDGA/HCP4A
  • 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 Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 893 lbf
  • Static Radial Load 450 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.015 kg
Super Precision Angular Contact Ball Bearings 71903 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 71903 ACDGA/HCP4A Bearing

71903 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.
Its 25° contact angle provides excellent radial and axial load capacity, making it suitable for precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 121,000 rpm, it delivers reliable performance in demanding environments.

71903 ACDGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload ensures minimal friction, contributing to longer service life.

The open design allows for easy lubrication, maintaining optimal performance over time.
This bearing is ideal for applications requiring high precision and speed.

Application

Where Is 71903 ACDGA/HCP4A Bearing Used?
71903 ACDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design allows for easy lubrication, extending its lifespan in demanding conditions.

In robotics, 71903 ACDGA/HCP4A Bearing ensures accurate movement in joints and arms, thanks to its angular contact design. The phenolic cage adds durability, making it suitable for repetitive tasks.

For medical imaging devices, 71903 ACDGA/HCP4A Bearing provides reliable performance with minimal vibration. Its P4A tolerance class ensures the precision needed for sensitive equipment.

In automotive applications, 71903 ACDGA/HCP4A Bearing supports components like electric motors, where high-speed capability is essential. The chrome steel rings and ceramic balls offer a balance of strength and efficiency.

For consumer electronics, 71903 ACDGA/HCP4A Bearing is ideal for small, high-performance devices like printers. Its compact size and lightweight design make it a practical choice for space-constrained applications.

Q&A

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