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Super Precision Angular Contact Ball Bearings 71956 ACD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71956 ACD/HCP4ADGA

The 71956 ACD/HCP4ADGA is a super precision angular contact ball bearing with a 280mm bore and 380mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 99450 lbf and operates smoothly at speeds up to 4500 RPM.

Its ceramic balls and phenolic cage reduce friction, while the open design allows easy lubrication. The bearing is preloaded for extra light performance, ideal for high-precision applications.

This model is universally matched, suitable for back-to-back, face-to-face, or tandem arrangements. Perfect for machine tools or spindle systems where accuracy is key.

Weighing 22.2kg, it’s robust yet designed for precision. Compliant with P4A tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71956 ACD/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 280 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 380 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 92 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 99450 lbf
  • Static Radial Load 194625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 4500 rpm
  • Weight 22.2 kg
  • Price（$） 6335.496
Super Precision Angular Contact Ball Bearings 71956 ACD/HCP4ADGA dimension drawing
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Features

How Is 71956 ACD/HCP4ADGA Bearing Engineered for Reliability?

71956 ACD/HCP4ADGA Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The ceramic balls and chrome steel rings enhance durability while reducing friction for smoother operation.

Its universal matching design allows flexible arrangements like back-to-back or face-to-face mounting.
With a dynamic radial load capacity of 99450 lbf, it delivers reliable performance in precision applications.

The phenolic cage ensures stability at high speeds, up to 4,500 rpm.
Precision P4A tolerance class guarantees consistent performance in demanding conditions.

Application

Common Applications of 71956 ACD/HCP4ADGA Bearing
71956 ACD/HCP4ADGA Bearing is widely used in high-precision machine tools, where its ceramic balls and phenolic cage ensure smooth operation under demanding conditions. The universal matching design allows for flexible arrangements in complex setups.

In aerospace applications, 71956 ACD/HCP4ADGA Bearing handles radial and axial loads in turbine systems, thanks to its extra-light preload and P4A tolerance class. Its chrome steel rings provide durability in high-speed environments.

For automation equipment, 71956 ACD/HCP4ADGA Bearing’s 25° contact angle offers stability in robotic arms and CNC machinery. The lubricated design reduces friction, extending service life in continuous operations.

Medical imaging devices benefit from 71956 ACD/HCP4ADGA Bearing’s precision, ensuring accurate movement in scanners and diagnostic tools. The ceramic balls minimise heat generation, crucial for sensitive environments.

In wind turbine gearboxes, 71956 ACD/HCP4ADGA Bearing’s high dynamic load capacity supports reliable performance under variable loads. The matched set configuration simplifies installation and maintenance.

Q&A

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