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Super Precision Angular Contact Ball Bearings 71918 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71918 ACDGA/HCP4A

The 71918 ACDGA/HCP4A is a super precision angular contact ball bearing measuring 90mm by 125mm by 18mm, crafted from chrome steel with ceramic balls for enhanced performance. It handles radial loads up to 9945 lbf and spins smoothly at speeds up to 15000 RPM.

Its 25° contact angle and extra-light preload ensure precise operation, while the phenolic cage offers durability. The bearing operates well in temperatures from -30°C to 110°C and comes pre-lubricated for immediate use.

This model is interchangeable with SKF bearings and can be arranged in back-to-back, face-to-face, or tandem configurations. Ideal for high-precision applications like machine tools or spindle drives where accuracy is key.

Weighing 0.47kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71918 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 26
  • 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 9945 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.47 kg
  • Price（$） 346.824
Super Precision Angular Contact Ball Bearings 71918 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 71918 ACDGA/HCP4A Bearing

71918 ACDGA/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
The chrome steel rings and ceramic balls reduce friction, enhancing speed and durability.

With a dynamic radial load capacity of 9945 lbf, it handles demanding operations smoothly.
Its phenolic cage ensures stable performance at high speeds up to 15,000 rpm.

The extra light preload (Class A) minimises vibration, ideal for precision machinery.
Operating between -30°C to 110°C, it maintains reliability in varied conditions.

Its universal matching capability allows flexible arrangements like back-to-back or tandem setups.
This design ensures consistent performance in complex bearing systems.

Application

Key Fields for 71918 ACDGA/HCP4A Bearing
71918 ACDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 25° contact angle makes it ideal for handling combined radial and axial loads.

In robotics, 71918 ACDGA/HCP4A Bearing ensures precise movement in articulated arms, thanks to its P4A tolerance class. The extra-light preload helps maintain accuracy in repetitive tasks.

For aerospace applications, 71918 ACDGA/HCP4A Bearing’s chrome steel rings provide durability in avionics systems. Its wide temperature range (-30°C to 110°C) suits both ground and flight conditions.

Medical imaging devices benefit from 71918 ACDGA/HCP4A Bearing’s low vibration, crucial for clear scans. The open design allows easy lubrication, extending service life in demanding environments.

Automotive testing equipment relies on 71918 ACDGA/HCP4A Bearing for consistent performance under dynamic loads. Its metric sizing ensures compatibility with European and Asian machinery standards.

Q&A

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