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Super Precision Angular Contact Ball Bearings S71919 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S71919 ACDGA/P4A

The S71919 ACDGA/P4A 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 10395 lbf and operates 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 bearing works reliably in temperatures from -30°C to 110°C.

With a 25° contact angle and extra light preload, it’s ideal for high-precision applications like machine tool spindles or robotics. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for added versatility.

Weighing just 0.6kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71919 ACDGA/P4A
  • 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 18 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 No
  • Number Of Bearings In Matched Set 4
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 10395 lbf
  • Static Radial Load 11700 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 21000 rpm
  • Weight 0.6 kg
Super Precision Angular Contact Ball Bearings S71919 ACDGA/P4A dimension drawing
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Features

Performance Features of S71919 ACDGA/P4A Bearing

S71919 ACDGA/P4A Bearing is designed for super precision applications with a 25° contact angle, ensuring optimal load distribution.
Its chrome steel rings and balls provide high durability, supporting dynamic radial loads up to 10395 lbf.

The sealed design and grease lubrication reduce maintenance needs while maintaining performance.
With a maximum speed of 21,000 rpm, it is suitable for high-speed operations.

The phenolic cage ensures smooth operation and reduces friction.
Its P4A tolerance class guarantees consistent precision in demanding conditions.

S71919 ACDGA/P4A Bearing works well in temperatures from -30°C to 110°C.
The extra light preload enhances performance in precision tasks.

Application

Industrial Uses of S71919 ACDGA/P4A Bearing
S71919 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The sealed construction helps maintain lubrication, reducing maintenance needs in demanding environments.

Where Is S71919 ACDGA/P4A Bearing Used?
In automotive applications, S71919 ACDGA/P4A Bearing supports components like wheel hubs and transmissions, thanks to its ability to handle both radial and axial loads. Its phenolic cage offers durability under high-speed conditions.

Built for Heavy-Duty Use: S71919 ACDGA/P4A Bearing
For robotics and automation, S71919 ACDGA/P4A Bearing provides reliable motion control in robotic arms and CNC machines. The extra-light preload ensures smooth operation without unnecessary friction.

Automotive vs Aerospace: Applications of S71919 ACDGA/P4A Bearing
In aerospace, S71919 ACDGA/P4A Bearing is favoured for its high-speed capabilities and precision in components like turbine shafts. Meanwhile, automotive systems benefit from its durability in gearboxes and drivetrains.

Essential Roles of S71919 ACDGA/P4A Bearing
S71919 ACDGA/P4A Bearing is ideal for medical imaging devices, where its low noise and high accuracy are critical. The chrome steel construction ensures long-lasting performance in sensitive environments.

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