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Super Precision Angular Contact Ball Bearings 71830 CDGB/P4

Super Precision Angular Contact Ball Bearings 71830 CDGB/P4

The 71830 CDGB/P4 is a super precision angular contact ball bearing with a 150mm bore and 190mm outer diameter, crafted from durable chrome steel. Its compact 20mm width makes it suitable for space-conscious applications.

With a 15° contact angle, it handles radial loads up to 11700 lbf and spins smoothly at 11000 RPM. The phenolic cage ensures quiet operation and long service life.

This bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. Its P4 tolerance class guarantees high precision for demanding applications.

Ideal for machine tools or high-speed spindles, it can be paired in back-to-back, face-to-face, or tandem arrangements. Weighing 1.1kg, it offers robust performance in a manageable size.

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Product Parameters

  • Part Number 71830 CDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 35
  • 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 11700 lbf
  • Static Radial Load 16200 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 1.1 kg
Super Precision Angular Contact Ball Bearings 71830 CDGB/P4 dimension drawing
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Features

Performance Features of 71830 CDGB/P4 Bearing

71830 CDGB/P4 Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.

Its 15° contact angle ensures optimal load distribution, enhancing performance in high-speed operations.

The phenolic cage maintains ball alignment, reducing friction and extending the bearing’s lifespan.

With a maximum speed of 11,000 rpm, it delivers reliable efficiency in demanding conditions.

Application

Industrial Uses of 71830 CDGB/P4 Bearing
71830 CDGB/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4 tolerance class make it suitable for applications demanding minimal vibration and high rigidity.

Where Is 71830 CDGB/P4 Bearing Used?
In automotive applications, 71830 CDGB/P4 Bearing supports components like wheel hubs and transmissions, where its chrome steel construction provides durability. The open design allows for easy lubrication, extending service life in demanding conditions.

Built for Heavy-Duty Use: 71830 CDGB/P4 Bearing
71830 CDGB/P4 Bearing excels in robotics, particularly in articulated arms requiring smooth, precise movement. Its phenolic cage reduces friction, making it ideal for high-speed operations in automated systems.

Automotive vs Aerospace: Applications of 71830 CDGB/P4 Bearing
In aerospace, 71830 CDGB/P4 Bearing is used in landing gear systems, where its high dynamic load capacity ensures reliability. For automotive, it’s favoured in performance vehicles for its ability to handle combined radial and axial loads.

Practical Applications of 71830 CDGB/P4 Bearing
71830 CDGB/P4 Bearing is found in medical imaging devices, where its precision and low noise are critical. The temperature range of -30°C to 110°C ensures stable performance in various clinical environments.

Q&A

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