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Super Precision Angular Contact Ball Bearings 71917 CDGA/P4A

Super Precision Angular Contact Ball Bearings 71917 CDGA/P4A

The 71917 CDGA/P4A is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from high-grade chrome steel. It features a 15° contact angle and is designed for angular loads up to 10395 lbf, with a maximum speed of 17000 RPM.

Its open design and phenolic cage ensure smooth operation and easy maintenance, while the extra light preload (Class A) enhances precision. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a universal matching set of three, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or aerospace components.

Weighing 0.53kg, it offers a balance of durability and lightweight performance, meeting P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71917 CDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 10395 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.53 kg
  • Price（$） 227.781
Super Precision Angular Contact Ball Bearings 71917 CDGA/P4A dimension drawing
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Features

Performance Features of 71917 CDGA/P4A Bearing

71917 CDGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 10395 lbf, 71917 CDGA/P4A Bearing handles demanding conditions reliably.
The P4A tolerance class guarantees high precision, making it suitable for critical applications.

71917 CDGA/P4A Bearing operates smoothly at speeds up to 17,000 rpm, balancing performance and longevity.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The open design and lubrication ensure minimal maintenance, reducing operational costs over time.
71917 CDGA/P4A Bearing performs consistently in temperatures ranging from -30°C to 110°C.

Application

Industrial Uses of 71917 CDGA/P4A Bearing
71917 CDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design help maintain accuracy during operations. The phenolic cage reduces friction, making it suitable for continuous use in demanding environments.

In automotive applications, 71917 CDGA/P4A Bearing supports components like electric motors and transmissions, ensuring smooth performance under radial and axial loads. Its P4A tolerance class guarantees consistent quality in vehicle systems.

For automation equipment, 71917 CDGA/P4A Bearing’s extra light preload enhances responsiveness in robotic arms and CNC machines. The chrome steel construction provides durability, even in high-speed scenarios.

Medical imaging devices benefit from 71917 CDGA/P4A Bearing’s low vibration and high precision, crucial for clear and reliable diagnostics. The open design allows for easy lubrication, extending service life in critical applications.

Q&A

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