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Super Precision Angular Contact Ball Bearings 71830 CD/P4DBB

Super Precision Angular Contact Ball Bearings 71830 CD/P4DBB

The 71830 CD/P4DBB is a super precision angular contact ball bearing with a 150mm bore and 190mm outer diameter, measuring 40mm in width. Made from chrome steel, it offers excellent durability and performance.

Designed for angular contact loads, it handles dynamic radial loads up to 18720 lbf and spins smoothly at speeds up to 11000 RPM. The light preload and matched arrangement of two bearings ensure stability and precision.

Its open design allows for easy lubrication, while the phenolic cage enhances longevity. Suitable for temperatures from -30°C to 110°C, it’s ideal for high-precision applications like machine tools or spindles.

Weighing 2.2kg, this bearing is robust yet manageable. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71830 CD/P4DBB
  • 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 <> DB
  • 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
  • Price（$） 679.284
Super Precision Angular Contact Ball Bearings 71830 CD/P4DBB dimension drawing
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Features

How Does 71830 CD/P4DBB Bearing Ensure Precision in High-Speed Applications?

71830 CD/P4DBB Bearing features a 15° contact angle, optimised for high-speed and high-precision tasks.
Its chrome steel rings and balls provide excellent durability, while the phenolic cage ensures smooth operation.

With a dynamic radial load capacity of 18720 lbf, it handles demanding applications with ease.
The matched arrangement of two bearings enhances stability and reduces vibration during operation.

Its maximum speed of 11,000 rpm makes it suitable for high-performance machinery.
The P4 tolerance class ensures consistent precision, even under heavy loads.

The open design allows for easy lubrication, maintaining performance over time.
Operating within a temperature range of -30°C to 110°C, it adapts to various working conditions.

Application

Industrial Uses of 71830 CD/P4DBB Bearing
71830 CD/P4DBB Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The light preload ensures smooth operation, reducing vibration in demanding industrial settings.

In automotive applications, 71830 CD/P4DBB Bearing supports high-speed spindle systems, such as those found in performance vehicles. Its phenolic cage and chrome steel construction provide durability under continuous use.

For automation systems, 71830 CD/P4DBB Bearing is ideal for robotic arms and CNC machines, offering reliable performance with minimal maintenance. The matched arrangement of two bearings enhances stability in dynamic operations.

Medical imaging devices benefit from 71830 CD/P4DBB Bearing’s precision and low friction, ensuring accurate movement in scanners and diagnostic equipment. The P4 tolerance class guarantees consistent performance in critical applications.

In consumer electronics, 71830 CD/P4DBB Bearing can be found in high-end printers and precision instruments, where its smooth operation extends device lifespan. The lubricated design reduces wear, even with frequent use.

Q&A

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