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Super Precision Angular Contact Ball Bearings S71920 ACE/HCP4ADGA

Super Precision Angular Contact Ball Bearings S71920 ACE/HCP4ADGA

The S71920 ACE/HCP4ADGA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 13612 lbf and operates smoothly at speeds up to 16250 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, efficient performance. The 25° contact angle and extra-light preload make it ideal for high-precision applications.

This bearing is part of a matched set, suitable for universal mounting in back-to-back, face-to-face, or tandem arrangements. Perfect for machine tools or high-speed spindles where accuracy is key.

Weighing 1.32kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it offers reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71920 ACE/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 24
  • 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 13612 lbf
  • Static Radial Load 13500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 1.32 kg
Super Precision Angular Contact Ball Bearings S71920 ACE/HCP4ADGA dimension drawing
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Features

Performance Features of S71920 ACE/HCP4ADGA Bearing

S71920 ACE/HCP4ADGA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing efficiency and longevity.

The sealed design protects against contaminants, ensuring reliable operation in various environments.
With a dynamic radial load capacity of 13612 lbf, it handles demanding conditions with ease.

S71920 ACE/HCP4ADGA Bearing’s phenolic cage maintains ball alignment, reducing wear and noise.
Its extra light preload (Class A) ensures smooth performance in high-speed applications up to 16,250 rpm.

The universal matching feature allows flexible arrangements like back-to-back or face-to-face mounting.
This adaptability makes S71920 ACE/HCP4ADGA Bearing suitable for complex machinery setups.

Application

Essential Roles of S71920 ACE/HCP4ADGA Bearing
S71920 ACE/HCP4ADGA Bearing is widely used in high-speed machine tools, where its angular contact design ensures precise spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth, quiet operation.

In robotics, S71920 ACE/HCP4ADGA Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its sealed design helps keep contaminants out, extending service life in challenging environments.

For aerospace components, S71920 ACE/HCP4ADGA Bearing’s phenolic cage and chrome steel rings offer reliable performance under varying temperatures. The extra light preload ensures minimal resistance, crucial for fuel-efficient systems.

Automotive testing equipment benefits from S71920 ACE/HCP4ADGA Bearing’s high dynamic radial load capacity. Its universal matching feature allows flexible arrangement, simplifying installation in complex setups.

In medical imaging devices, S71920 ACE/HCP4ADGA Bearing’s precision tolerances contribute to consistent, vibration-free operation. The grease lubrication ensures long-term reliability with minimal maintenance.

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