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Super Precision Angular Contact Ball Bearings S71926 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings S71926 ACD/P4AQBCA

The S71926 ACD/P4AQBCA is a super precision angular contact ball bearing with a 130mm bore and 180mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 51525 lbf and operates smoothly at speeds up to 11000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle provides excellent stability for angular loads.

This matched set of four bearings is preloaded for extra light operation, making it ideal for high-precision applications. Suitable for use in machine tools or spindle assemblies where accuracy is key.

Weighing 6.32kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71926 ACD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 130 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 96 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 27
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 51525 lbf
  • Static Radial Load 91125 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 6.32 kg
Super Precision Angular Contact Ball Bearings S71926 ACD/P4AQBCA dimension drawing
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Features

Performance Features of S71926 ACD/P4AQBCA Bearing

S71926 ACD/P4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and consistent performance under high radial loads.

The phenolic cage in S71926 ACD/P4AQBCA Bearing reduces friction and wear, enhancing operational smoothness.
With a dynamic radial load capacity of 51,525 lbf, it handles demanding conditions reliably.

S71926 ACD/P4AQBCA Bearing operates efficiently at speeds up to 11,000 rpm, making it suitable for high-speed machinery.
Its sealed design and grease lubrication minimise maintenance needs while ensuring long service life.

The matched arrangement of four bearings provides stability and precision in complex applications.
S71926 ACD/P4AQBCA Bearing’s P4A tolerance class guarantees exceptional accuracy for critical operations.

Application

Super Precision Angular Contact Ball Bearings S71926 ACD/P4AQBCA are commonly used in high-speed machine tools, where their sealed design and precision tolerances ensure smooth operation. The matched arrangement of four bearings provides stability in demanding applications.

In aerospace components, S71926 ACD/P4AQBCA handles radial and axial loads efficiently, making it suitable for gearboxes and rotor systems. The phenolic cage material reduces friction, enhancing performance at high speeds.

For automation equipment, S71926 ACD/P4AQBCA offers reliable angular contact support in robotic arms and CNC machines. Its grease lubrication ensures long service life with minimal maintenance.

Medical imaging devices benefit from S71926 ACD/P4AQBCA’s precision and low noise levels, crucial for accurate diagnostics. The chrome steel construction provides durability in sterile environments.

In electric vehicle drivetrains, S71926 ACD/P4AQBCA supports high-speed motors with consistent load handling. The extra light preload class ensures optimal efficiency for energy-saving applications.

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