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Super Precision Angular Contact Ball Bearings S71908 ACB/HCP4ADGA

Super Precision Angular Contact Ball Bearings S71908 ACB/HCP4ADGA

The S71908 ACB/HCP4ADGA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and sealed design, ensuring smooth operation under angular loads.

With a dynamic radial load capacity of 1843 lbf, it spins efficiently at speeds up to 41,000 RPM. The ceramic balls and phenolic cage reduce friction, while the grease lubrication simplifies maintenance.

Its universal matching design allows flexible arrangements like back-to-back or face-to-face, ideal for high-precision applications. The extra-light preload (Class A) ensures minimal deflection during use.

Suitable for machine tools or spindle systems, this bearing operates in temperatures from -30°C to 110°C. Weighing 0.24kg, it’s lightweight yet robust, and interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number S71908 ACB/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 28
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1843 lbf
  • Static Radial Load 1755 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.24 kg
Super Precision Angular Contact Ball Bearings S71908 ACB/HCP4ADGA dimension drawing
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Features

How Does S71908 ACB/HCP4ADGA Bearing Achieve High-Speed Performance?

S71908 ACB/HCP4ADGA Bearing features ceramic balls and a phenolic cage, reducing friction for smoother high-speed operation.

With a maximum speed of 41,000 rpm, it excels in precision applications requiring rapid rotation.

The 25° contact angle ensures optimal load distribution, enhancing stability under dynamic radial loads.

Its sealed design and grease lubrication minimise maintenance while extending service life.

Application

Ideal for Precision: S71908 ACB/HCP4ADGA Bearing
The S71908 ACB/HCP4ADGA Bearing is a go-to choice for high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. Its sealed design keeps contaminants out, ensuring consistent performance in demanding industrial settings.

In robotics, S71908 ACB/HCP4ADGA Bearing excels in articulated arms, providing smooth motion thanks to its 25° contact angle and universal matching capability. The extra-light preload also minimises vibration, crucial for precision tasks.

For medical imaging devices, S71908 ACB/HCP4ADGA Bearing’s P4A tolerance class delivers the accuracy needed for stable rotation in scanners. The grease lubrication ensures quiet operation, ideal for sensitive healthcare environments.

Automotive enthusiasts appreciate S71908 ACB/HCP4ADGA Bearing in performance gearboxes, where its high-speed rating (41,000 rpm) handles rapid shifts. The chrome steel rings add durability, while the ceramic balls reduce weight for better efficiency.

In 3D printers, S71908 ACB/HCP4ADGA Bearing’s tandem arrangement supports precise linear motion, reducing wobble during high-detail prints. The metric sizing makes it compatible with most European and Asian printer models.

Q&A

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