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Super Precision Angular Contact Ball Bearings S71919 ACD/P4ADGC

Super Precision Angular Contact Ball Bearings S71919 ACD/P4ADGC

The S71919 ACD/P4ADGC is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 17122 lbf and spins smoothly at speeds up to 21000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle provides stable support for combined radial and axial loads.

This bearing comes in a matched set of two, allowing flexible arrangements like back-to-back or face-to-face mounting. Ideal for high-precision applications like machine tool spindles or high-speed motors.

Weighing 1.19kg, it operates reliably in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number S71919 ACD/P4ADGC
  • 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 36 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 17122 lbf
  • Static Radial Load 23400 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 21000 rpm
  • Weight 1.19 kg
Super Precision Angular Contact Ball Bearings S71919 ACD/P4ADGC dimension drawing
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Features

Performance Features of S71919 ACD/P4ADGC Bearing

S71919 ACD/P4ADGC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 17,122 lbf.

The sealed design and grease lubrication reduce maintenance needs while maintaining performance.
With a maximum speed of 21,000 rpm, it balances precision and efficiency in demanding conditions.

Universal matching allows flexible arrangement options, including back-to-back or face-to-face configurations.
The phenolic cage keeps the 28 balls aligned, minimising wear and extending service life.

S71919 ACD/P4ADGC Bearing operates reliably within a temperature range of -30°C to 110°C.
Its P4A tolerance class ensures high precision for critical applications.

Application

Super Precision Angular Contact Ball Bearings S71919 ACD/P4ADGC are commonly used in high-speed machine tools, where their 25° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in demanding industrial environments.

In automotive applications, S71919 ACD/P4ADGC supports precision components like turbochargers and transmission systems, thanks to its moderate preload and universal matching capability. The chrome steel construction provides durability under high rotational speeds.

For medical imaging devices, S71919 ACD/P4ADGC offers reliable performance with minimal vibration, crucial for maintaining image clarity. The phenolic cage further reduces friction, enhancing smooth operation in sensitive equipment.

Automation systems benefit from S71919 ACD/P4ADGC’s ability to handle combined loads in robotic arms and CNC machinery. Its P4A tolerance class ensures consistent precision in repetitive tasks.

In aerospace applications, S71919 ACD/P4ADGC’s grease lubrication and temperature resilience make it suitable for flight control systems. The matched bearing set simplifies installation in tight spaces.

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