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Super Precision Angular Contact Ball Bearings 71903 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71903 CDGC/P4A

The 71903 CDGC/P4A is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm, crafted from durable chrome steel. It features a 15° contact angle and handles radial loads up to 936 lbf, spinning smoothly at speeds up to 80,000 RPM.

Its phenolic cage ensures quiet operation and long life, while the open design allows for easy lubrication. 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 four, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing just 0.017kg, it’s lightweight yet robust, meeting the P4A tolerance class for exceptional accuracy. Perfect for scenarios demanding tight tolerances and reliable performance.

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Product Parameters

  • Part Number 71903 CDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 17 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 30 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 936 lbf
  • Static Radial Load 468 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 80000 rpm
  • Weight 0.017 kg
Super Precision Angular Contact Ball Bearings 71903 CDGC/P4A dimension drawing
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Features

Performance Features of 71903 CDGC/P4A Bearing

71903 CDGC/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 936 lbf.

With a maximum speed of 80,000 rpm, it delivers smooth operation in high-speed scenarios.
The phenolic cage ensures stability, reducing friction and wear during prolonged use.

Its P4A tolerance class guarantees precision, making it suitable for demanding tasks.
The open design allows for easy lubrication, maintaining performance across a temperature range of -30°C to 110°C.

Application

Key Fields for 71903 CDGC/P4A Bearing
71903 CDGC/P4A Bearing is widely used in high-speed machine tools, where its precision and moderate preload ensure smooth spindle operation. The open design and phenolic cage make it suitable for environments requiring minimal friction.

In robotics, 71903 CDGC/P4A Bearing provides reliable angular contact support for articulated arms, enhancing movement accuracy. Its compact size and P4A tolerance class are ideal for space-constrained applications.

For dental drills and other medical devices, 71903 CDGC/P4A Bearing’s chrome steel construction offers durability and consistent performance. The high-speed capability ensures efficient operation in critical healthcare equipment.

Automotive applications like electric vehicle motors benefit from 71903 CDGC/P4A Bearing’s ability to handle combined loads. The metric sizing and universal matching options simplify integration into various designs.

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