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Super Precision Angular Contact Ball Bearings 71913 CDGA/P4A

Super Precision Angular Contact Ball Bearings 71913 CDGA/P4A

The 71913 CDGA/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 4680 lbf dynamically.

With a maximum speed of 31,000 RPM, this bearing offers smooth operation and is lubricated for long-lasting performance. Its phenolic cage ensures durability, while the P4A tolerance class guarantees high precision.

The open design allows for easy maintenance, and it can be used in matched sets for back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.21kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. Compliant with industry standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 71913 CDGA/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 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 4680 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.21 kg
  • Price（$） 127.134
Super Precision Angular Contact Ball Bearings 71913 CDGA/P4A dimension drawing
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Features

Performance Features of 71913 CDGA/P4A Bearing

71913 CDGA/P4A Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 4680 lbf, it performs reliably in high-speed applications.

The bearing’s P4A tolerance class guarantees precision, making it suitable for demanding tasks.

Application

Industrial Uses of 71913 CDGA/P4A Bearing
71913 CDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The phenolic cage reduces friction, making it suitable for continuous operation.

Where Is 71913 CDGA/P4A Bearing Used?
You’ll find 71913 CDGA/P4A Bearing in automotive transmissions, supporting smooth gear shifts with its extra-light preload. Its chrome steel construction also handles the demands of high-speed driving.

Built for Heavy-Duty Use: 71913 CDGA/P4A Bearing
71913 CDGA/P4A Bearing excels in robotics, particularly in articulated arms requiring precise movement. The P4A tolerance class guarantees reliability in repetitive tasks.

Medical vs Industrial: Where 71913 CDGA/P4A Bearing Excels
In medical imaging devices, 71913 CDGA/P4A Bearing offers quiet operation and minimal vibration. Industrial applications benefit from its ability to handle both radial and axial loads efficiently.

Perfect Fit for Automation: 71913 CDGA/P4A Bearing
71913 CDGA/P4A Bearing is ideal for automated production lines, where its high-speed capability and low maintenance reduce downtime. The open design allows for easy lubrication when needed.

Q&A

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