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Super Precision Angular Contact Ball Bearings S71919 ACD/HCP4AQBCB

Super Precision Angular Contact Ball Bearings S71919 ACD/HCP4AQBCB

The S71919 ACD/HCP4AQBCB is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from chrome steel and ceramic balls. It handles radial loads up to 27225 lbf and spins smoothly at speeds up to 21000 RPM.

Its sealed design keeps grease in place, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and light preload make it ideal for high-precision applications.

This set includes four matched bearings, offering balanced performance for demanding setups. Perfect for machine tools or high-speed spindles where accuracy is crucial.

Weighing 2kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for reliable, precise operation.

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Product Parameters

  • Part Number S71919 ACD/HCP4AQBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 72 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 27225 lbf
  • Static Radial Load 46800 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 21000 rpm
  • Weight 2 kg
Super Precision Angular Contact Ball Bearings S71919 ACD/HCP4AQBCB dimension drawing
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Features

Why Choose S71919 ACD/HCP4AQBCB Bearing for Precision Tasks?

S71919 ACD/HCP4AQBCB Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.

Its ceramic balls and chrome steel rings ensure smooth operation, even at speeds up to 21,000 rpm.

The phenolic cage provides excellent heat resistance, making it suitable for demanding applications.

With a matched arrangement of four bearings, it offers consistent performance and reliability.

Application

Industrial Uses of S71919 ACD/HCP4AQBCB Bearing
S71919 ACD/HCP4AQBCB Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

What Makes S71919 ACD/HCP4AQBCB Bearing a Preferred Choice?
In robotics, S71919 ACD/HCP4AQBCB Bearing ensures smooth motion in articulated arms, thanks to its light preload and sealed design. The phenolic cage adds durability, even in continuous operation environments.

Built for Heavy-Duty Use: S71919 ACD/HCP4AQBCB Bearing
For aerospace applications, S71919 ACD/HCP4AQBCB Bearing’s P4A tolerance class guarantees precision in flight control systems. Its grease lubrication ensures reliable performance across a wide temperature range.

Automotive vs Aerospace: Applications of S71919 ACD/HCP4AQBCB Bearing
In automotive transmissions, S71919 ACD/HCP4AQBCB Bearing supports high-speed rotations, while in aerospace, its ceramic balls handle extreme conditions. The matched set arrangement enhances stability in both fields.

Perfect Fit for Automation: S71919 ACD/HCP4AQBCB Bearing
S71919 ACD/HCP4AQBCB Bearing excels in automated production lines, where its sealed design prevents contamination. The chrome steel rings provide long-lasting performance in demanding industrial settings.

Q&A

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