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Super Precision Angular Contact Ball Bearings 71830 CD/P4DFB

Super Precision Angular Contact Ball Bearings 71830 CD/P4DFB

The 71830 CD/P4DFB is a super precision angular contact ball bearing, measuring 150mm by 190mm by 40mm. Made from high-quality chrome steel, it’s designed for angular contact loads with a 15° contact angle.

This bearing handles dynamic radial loads up to 18720 lbf and spins smoothly at speeds up to 11000 RPM. Its phenolic cage ensures durability and quiet operation, even under light preload conditions.

The open design allows for easy lubrication, making maintenance straightforward. It’s ideal for high-precision applications like machine tool spindles or high-speed industrial equipment.

Weighing 2.2kg, this matched set of two bearings offers reliable performance in temperatures ranging from -30°C to 110°C. It’s interchangeable with SKF bearings, providing a trusted replacement option.

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Product Parameters

  • Part Number 71830 CD/P4DFB
  • 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 40 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 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 18720 lbf
  • Static Radial Load 32850 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.2 kg
Super Precision Angular Contact Ball Bearings 71830 CD/P4DFB dimension drawing
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Features

Performance Features of 71830 CD/P4DFB Bearing

71830 CD/P4DFB 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 18720 lbf.

Its phenolic cage ensures smooth operation at high speeds, reaching up to 11,000 rpm.
The matched arrangement of two bearings provides stability and precision in demanding conditions.

With a P4 tolerance class, 71830 CD/P4DFB Bearing delivers consistent performance in precision tasks.
The open design allows easy lubrication, maintaining efficiency over extended periods.

Operating within a temperature range of -30°C to 110°C, it adapts to various environments.
The lightweight phenolic cage reduces friction, contributing to longer service life.

Application

Key Fields for 71830 CD/P4DFB Bearing
In industrial settings, 71830 CD/P4DFB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate load distribution. The matched arrangement of two bearings enhances stability in demanding applications like CNC machining.

Where Is 71830 CD/P4DFB Bearing Used?
You’ll often find 71830 CD/P4DFB Bearing in automotive transmissions, where its light preload and phenolic cage reduce friction and noise. Its P4 tolerance class makes it ideal for systems requiring tight control, such as performance vehicle drivetrains.

Built for Heavy-Duty Use: 71830 CD/P4DFB Bearing
This bearing excels in robotics, particularly in articulated arms where smooth, precise movement is essential. The chrome steel construction and 35-ball setup provide durability and consistent performance even under continuous operation.

Medical vs Industrial: Where 71830 CD/P4DFB Bearing Excels
In medical imaging devices, 71830 CD/P4DFB Bearing offers reliability due to its low vibration and high-speed capability. Meanwhile, in industrial pumps, its robust design handles radial and axial loads effortlessly, ensuring long service life.

Q&A

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