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Super Precision Angular Contact Ball Bearings 71913 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71913 CDGC/P4A

The 71913 CDGC/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle efficiently manages combined radial and axial loads, with a dynamic radial load capacity of 4680 lbf.

Designed for high-speed applications, it can reach up to 31,000 RPM while maintaining smooth operation. The phenolic cage ensures durability and reduces friction, enhancing performance.

This bearing comes pre-lubricated and operates well in temperatures from -30°C to 110°C. It’s part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements.

Ideal for precision machinery like CNC spindles or high-speed motors, where accuracy and reliability are crucial. Weighing just 0.21kg, it’s lightweight yet robust for demanding applications.

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Product Parameters

  • Part Number 71913 CDGC/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 Moderate / Class C
  • 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 CDGC/P4A dimension drawing
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Features

Performance Features of 71913 CDGC/P4A Bearing

71913 CDGC/P4A Bearing is crafted 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 maintains ball alignment, reducing friction and enhancing performance at high speeds up to 31,000 rpm.
With a P4A tolerance class, it delivers precision and reliability in demanding conditions.

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

Application

Common Applications of 71913 CDGC/P4A Bearing
71913 CDGC/P4A Bearing is widely used in high-speed machine tools, where its moderate preload and precision design ensure smooth operation. The open seal type allows for easy lubrication, making it suitable for continuous use.

In automotive applications, 71913 CDGC/P4A Bearing supports components like electric motors and gearboxes, thanks to its angular contact design. The chrome steel construction provides durability under varying loads and speeds.

For robotics, 71913 CDGC/P4A Bearing excels in articulated arms and joints, where its phenolic cage reduces friction. The P4A tolerance class ensures consistent performance in precise movements.

Medical imaging devices benefit from 71913 CDGC/P4A Bearing’s reliability and low noise operation. The temperature range makes it adaptable to different clinical environments.

In consumer electronics, 71913 CDGC/P4A Bearing is found in high-performance printers and scanners. Its compact size and weight make it ideal for space-constrained designs.

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