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Super Precision Angular Contact Ball Bearings S71913 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S71913 ACDGA/P4A

The S71913 ACDGA/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. Its compact 13mm width makes it suitable for tight spaces while maintaining high performance.

Designed for angular contact loads, it handles dynamic radial loads up to 4388 lbf and spins smoothly at speeds up to 31,000 RPM. The sealed design and grease lubrication ensure low maintenance and long service life.

With a 25° contact angle and P4A tolerance class, it offers excellent precision for demanding applications. The phenolic cage enhances durability and reduces friction.

Ideal for high-speed machinery like spindles or CNC equipment, it operates reliably in temperatures from -30°C to 110°C. Weighing just 0.21kg, it’s lightweight yet robust for its size.

This bearing is interchangeable with SKF models and can be used in matched sets for back-to-back, face-to-face, or tandem arrangements, providing flexibility in complex setups.

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Product Parameters

  • Part Number S71913 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4388 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.21 kg
  • Price（$） 123.849
Super Precision Angular Contact Ball Bearings S71913 ACDGA/P4A dimension drawing
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Features

Performance Features of S71913 ACDGA/P4A Bearing

S71913 ACDGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 31,000 rpm, it excels in high-speed applications.

S71913 ACDGA/P4A Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance requirements.

The P4A tolerance class ensures exceptional accuracy for precision tasks.
Its dynamic radial load capacity of 4388 lbf guarantees reliable operation under stress.

The universal matching capability allows for flexible arrangements like back-to-back or tandem.
This makes S71913 ACDGA/P4A Bearing a versatile choice for various industrial needs.

Application

Key Fields for S71913 ACDGA/P4A Bearing
S71913 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71913 ACDGA/P4A Bearing supports articulated arms, providing smooth movement and low friction. Its extra light preload makes it ideal for applications requiring fine control and responsiveness.

For medical imaging devices, S71913 ACDGA/P4A Bearing offers reliable operation due to its chrome steel construction and P4A tolerance class. The phenolic cage reduces vibration, which is crucial for maintaining image clarity.

Automotive vs Aerospace: Applications of S71913 ACDGA/P4A Bearing
In automotive systems, S71913 ACDGA/P4A Bearing is found in high-performance transmissions, where its grease lubrication ensures longevity. The 25° contact angle helps manage combined radial and axial loads effectively.

Aerospace applications benefit from S71913 ACDGA/P4A Bearing’s lightweight design and ability to handle high speeds. Its temperature range makes it suitable for varying operational conditions in flight systems.

Q&A

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