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Super Precision Angular Contact Ball Bearings 71903 CDGB/P4A

Super Precision Angular Contact Ball Bearings 71903 CDGB/P4A

The 71903 CDGB/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 is designed for light preload applications, handling radial loads up to 936 lbf.

With a maximum speed of 80,000 RPM, this bearing spins smoothly and efficiently. Its open design and phenolic cage ensure reliable performance, while the lubricated setup reduces friction for extended use.

The P4A tolerance class guarantees high precision, making it suitable for demanding applications. It can be arranged in back-to-back, face-to-face, or tandem configurations for versatile use.

Ideal for precision machinery like spindles or high-speed tools, this bearing operates in temperatures from -30°C to 110°C. Weighing just 0.017kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71903 CDGB/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 Light / Class B
  • 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 CDGB/P4A dimension drawing
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Features

Performance Features of 71903 CDGB/P4A Bearing

71903 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 936 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed rotation.
With a maximum speed of 80,000 rpm, it delivers reliable performance in precision tasks.

71903 CDGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

The P4A tolerance class guarantees high precision, making it suitable for demanding applications.
Its lightweight design at 0.017 kg ensures easy handling without compromising strength.

Application

Key Fields for 71903 CDGB/P4A Bearing
71903 CDGB/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal and light preload make it suitable for applications demanding minimal friction.

In robotics, 71903 CDGB/P4A Bearing supports articulated arms, providing smooth movement and reliable performance. Its phenolic cage offers durability while reducing weight, ideal for repetitive motions.

For medical imaging devices, 71903 CDGB/P4A Bearing’s chrome steel construction maintains stability under radial loads. The P4A tolerance class guarantees consistent accuracy in sensitive equipment.

Automotive applications like electric motor shafts benefit from 71903 CDGB/P4A Bearing’s high-speed capability. The universal matching option allows flexible configurations in compact designs.

In 3D printers, 71903 CDGB/P4A Bearing ensures precise linear motion, critical for detailed prints. Its lightweight design and low heat generation contribute to longer operational life.

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