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Super Precision Angular Contact Ball Bearings 71809 CDGB/P4

Super Precision Angular Contact Ball Bearings 71809 CDGB/P4

The 71809 CDGB/P4 is a super precision angular contact ball bearing with a 45mm bore and 58mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 1098 lbf and spins smoothly at speeds up to 41,000 RPM.

With a 15° contact angle and light preload, it offers excellent stability for high-precision applications. The open design and phenolic cage ensure reliable performance under varying conditions.

This bearing is ideal for machine tools or spindle systems where accuracy is key. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing just 0.039kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number 71809 CDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 58 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 31
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 1098 lbf
  • Static Radial Load 1192 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.039 kg
Super Precision Angular Contact Ball Bearings 71809 CDGB/P4 dimension drawing
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Features

Performance Features of 71809 CDGB/P4 Bearing

71809 CDGB/P4 Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 1098 lbf, it handles demanding conditions reliably.
The P4 tolerance class guarantees high precision, making it suitable for critical applications.

71809 CDGB/P4 Bearing operates smoothly at speeds up to 41,000 rpm.
Its lightweight design at 0.039 kg ensures easy integration without compromising performance.

The open seal type allows for easy lubrication, enhancing its service life.
It functions efficiently within a temperature range of -30°C to 110°C.

Application

Key Fields for 71809 CDGB/P4 Bearing
71809 CDGB/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload helps maintain stability during high-speed operations.

In robotics, 71809 CDGB/P4 Bearing supports articulated arms, providing smooth movement with minimal friction. Its phenolic cage offers durability in repetitive motion applications.

For medical imaging devices, 71809 CDGB/P4 Bearing’s P4 tolerance class ensures reliable performance in sensitive equipment. The chrome steel construction also resists wear in sterile environments.

Automotive applications like electric power steering benefit from 71809 CDGB/P4 Bearing’s ability to handle combined loads. The open design allows for easy lubrication, extending service life.

In aerospace components, 71809 CDGB/P4 Bearing’s high-speed capability makes it suitable for auxiliary systems. The matched arrangement option further enhances precision in critical assemblies.

Q&A

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