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Super Precision Angular Contact Ball Bearings 71913 CDGB/P4A

Super Precision Angular Contact Ball Bearings 71913 CDGB/P4A

The 71913 CDGB/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 light preload applications, offering smooth operation at speeds up to 31,000 RPM.

Its phenolic cage ensures durability, while the open design allows for easy lubrication. The bearing handles dynamic radial loads up to 4680 lbf and static radial loads up to 3825 lbf, making it reliable for high-performance use.

This model is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or high-speed tools where accuracy is crucial.

Weighing just 0.21kg, it’s lightweight yet robust, and operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for exceptional precision.

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Product Parameters

  • Part Number 71913 CDGB/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 Light / Class B
  • 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
Super Precision Angular Contact Ball Bearings 71913 CDGB/P4A dimension drawing
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Features

Performance Features of 71913 CDGB/P4A Bearing

71913 CDGB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 4680 lbf.

The phenolic cage in 71913 CDGB/P4A Bearing reduces friction and wear, enhancing performance at high speeds up to 31,000 rpm.
Its precise P4A tolerance class guarantees reliable operation in demanding conditions.

71913 CDGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

Application

Key Fields for 71913 CDGB/P4A Bearing
71913 CDGB/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

What Makes 71913 CDGB/P4A Bearing a Preferred Choice?
In automotive applications, 71913 CDGB/P4A Bearing supports components like wheel hubs and transmissions, thanks to its light preload and high-speed capability. The phenolic cage material reduces friction, enhancing overall efficiency.

Perfect Fit for Automation: 71913 CDGB/P4A Bearing
For robotics and automation systems, 71913 CDGB/P4A Bearing provides reliable angular load handling in robotic arms and linear guides. Its P4A tolerance class ensures consistent performance in repetitive tasks.

Medical vs Industrial: Where 71913 CDGB/P4A Bearing Excels
In medical imaging devices, 71913 CDGB/P4A Bearing’s chrome steel construction offers durability and smooth operation. Industrial pumps also benefit from its high dynamic radial load capacity and temperature resistance.

Q&A

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