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Super Precision Angular Contact Ball Bearings S71928 ACD/HCP4ADGA

Super Precision Angular Contact Ball Bearings S71928 ACD/HCP4ADGA

The S71928 ACD/HCP4ADGA is a super precision angular contact ball bearing, measuring 140mm by 190mm by 48mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles both radial and axial loads efficiently. Its sealed design keeps grease in and contaminants out, making it low-maintenance.

This bearing set includes two universally matched units, suitable for back-to-back or face-to-face arrangements. It spins up to 11000 RPM and works in temperatures from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or aerospace systems. Its phenolic cage ensures quiet performance under heavy loads. Weighing 2.8kg, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number S71928 ACD/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 29
  • 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 32850 lbf
  • Static Radial Load 49500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.8 kg
Super Precision Angular Contact Ball Bearings S71928 ACD/HCP4ADGA dimension drawing
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Features

Performance Features of S71928 ACD/HCP4ADGA Bearing

S71928 ACD/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 25° contact angle ensures optimal load distribution for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 32850 lbf, it handles demanding conditions effortlessly.

S71928 ACD/HCP4ADGA Bearing operates smoothly at speeds up to 11,000 rpm, thanks to its sealed design.
The universal matching feature allows flexible arrangement options for various setups.

Its extra light preload (Class A) ensures minimal friction and precise operation.
The temperature range of -30°C to 110°C makes it suitable for diverse environments.

Grease lubrication ensures consistent performance with minimal maintenance.
The P4A tolerance class guarantees high precision in critical applications.

Application

Common Applications of S71928 ACD/HCP4ADGA Bearing
S71928 ACD/HCP4ADGA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls and phenolic cage reduce friction, making it ideal for high-speed operations.

In aerospace applications, S71928 ACD/HCP4ADGA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and universal matching. Its sealed design also protects against contaminants in demanding environments.

For robotics, S71928 ACD/HCP4ADGA Bearing provides reliable performance in articulated arms, where smooth movement and precision are essential. The grease lubrication ensures long service life even in continuous operation.

Medical imaging devices benefit from S71928 ACD/HCP4ADGA Bearing’s consistent performance and low noise levels. The P4A tolerance class guarantees the precision needed for sensitive diagnostic equipment.

In automation systems, S71928 ACD/HCP4ADGA Bearing is a go-to choice for linear actuators and CNC machines. Its chrome steel rings and ceramic balls offer a balance of durability and efficiency.

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