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Super Precision Angular Contact Ball Bearings 71830 CD/P4DGB
Super Precision Angular Contact Ball Bearings 71830 CD/P4DGB

Super Precision Angular Contact Ball Bearings 71830 CD/P4DGB

The 71830 CD/P4DGB is a super precision angular contact ball bearing with a 150mm bore and 190mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 18720 lbf and operates smoothly at speeds up to 11000 RPM.

With a 15° contact angle and universal matching design, it offers excellent stability for angular loads. The phenolic cage ensures durability while keeping the bearing lightweight.

This bearing comes in a matched set of two, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing 2.2kg, it performs reliably in temperatures from -30°C to 110°C. Its P4 tolerance class guarantees precise operation for demanding industrial uses.

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Product Parameters

  • Part Number 71830 CD/P4DGB
  • 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 Universal matching
  • 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 18720 lbf
  • Static Radial Load 32850 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.2 kg

Features

Performance Features of 71830 CD/P4DGB Bearing

71830 CD/P4DGB Bearing is crafted with a 15° contact angle, ideal for handling combined radial and axial loads.
Its universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

The chrome steel rings and balls ensure high durability, supporting dynamic radial loads up to 18720 lbf.
With a P4 tolerance class, it delivers precise performance for demanding applications.

Operating at speeds up to 11,000 rpm, 71830 CD/P4DGB Bearing maintains reliability in high-speed environments.
The phenolic cage reduces friction and wear, enhancing its service life.

Designed for temperatures from -30°C to 110°C, it performs consistently in varied conditions.
Its light preload ensures smooth operation while minimising energy loss.

Application

Key Fields for 71830 CD/P4DGB Bearing
71830 CD/P4DGB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71830 CD/P4DGB Bearing supports components like turbine shafts, thanks to its light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in demanding conditions.

For automation systems, 71830 CD/P4DGB Bearing excels in robotic arms, providing smooth movement under radial loads. Its P4 tolerance class guarantees consistent precision, which is vital for repetitive tasks.

Medical imaging devices benefit from 71830 CD/P4DGB Bearing’s reliability, as its chrome steel construction ensures long-term stability. The open design simplifies lubrication, maintaining efficiency in critical operations.

In electric vehicle motors, 71830 CD/P4DGB Bearing handles high-speed rotations with minimal heat generation. The matched set configuration ensures balanced load distribution, extending service life.

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