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Super Precision Angular Contact Ball Bearings S71930 ACD/HCP4ATGA

Super Precision Angular Contact Ball Bearings S71930 ACD/HCP4ATGA

The S71930 ACD/HCP4ATGA is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, measuring 84mm in width. Made from chrome steel and ceramic balls, it offers high durability and smooth operation.

It handles radial loads up to 52650 lbf and speeds up to 11000 RPM, with a temperature range of -30°C to 110°C. The sealed design and grease lubrication ensure low maintenance and long service life.

This bearing comes in a matched set of three, suitable for universal arrangements like back-to-back or face-to-face mounting. Its extra light preload (Class A) ensures precise performance in demanding applications.

Ideal for high-precision machinery like CNC spindles or aerospace equipment, where accuracy and reliability are crucial. Weighing 6.3kg, it’s robust yet designed for efficiency. Compliant with P4A tolerance standards for superior quality.

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Product Parameters

  • Part Number S71930 ACD/HCP4ATGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 84 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • 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 52650 lbf
  • Static Radial Load 84375 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 6.3 kg
Super Precision Angular Contact Ball Bearings S71930 ACD/HCP4ATGA dimension drawing
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Features

How Is S71930 ACD/HCP4ATGA Bearing Engineered for Reliability?

S71930 ACD/HCP4ATGA Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 52,650 lbf, it performs reliably in high-stress applications.
The phenolic cage ensures stable operation at speeds up to 11,000 rpm.

Its sealed design and grease lubrication minimise maintenance needs.
The universal matching arrangement allows flexible installation in back-to-back, face-to-face, or tandem configurations.

Application

Key Fields for S71930 ACD/HCP4ATGA Bearing
S71930 ACD/HCP4ATGA Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate alignment under heavy loads. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

In aerospace components, S71930 ACD/HCP4ATGA Bearing’s sealed design protects against contaminants, crucial for reliable performance in demanding environments. Its universal matching feature allows flexible arrangement in complex assemblies.

For medical imaging devices, S71930 ACD/HCP4ATGA Bearing’s phenolic cage provides smooth, quiet operation essential for sensitive equipment. The P4A tolerance class guarantees the precision needed for diagnostic accuracy.

Automation systems benefit from S71930 ACD/HCP4ATGA Bearing’s extra light preload, reducing energy consumption in robotic arms. The grease lubrication ensures long service life even in continuous operation.

In high-performance electric motors, S71930 ACD/HCP4ATGA Bearing’s chrome steel rings handle radial and angular loads efficiently. Its temperature range suits both industrial and consumer applications.

Q&A

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