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Super Precision Angular Contact Ball Bearings 71830 CD/P4

Super Precision Angular Contact Ball Bearings 71830 CD/P4

The 71830 CD/P4 is a super precision angular contact ball bearing with a 150mm bore and 190mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 11700 lbf and operates smoothly at speeds up to 9000 RPM.

With a 15° contact angle and P4 tolerance class, it offers high accuracy for demanding applications. The open design and phenolic cage ensure reliable performance and easy maintenance.

This bearing is suitable for temperatures from -30°C to 110°C, making it versatile for various environments. Its lightweight design at 1.1kg balances strength and ease of handling.

Ideal for precision machinery like spindles or high-speed tools, where angular contact and low friction are key. Compatible with SKF bearings for straightforward replacements.

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Product Parameters

  • Part Number 71830 CD/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.011mm 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 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • 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° to 110 °C
  • Max Speed 9000 rpm
  • Weight 1.1 kg
  • Price（$） 229.266
Super Precision Angular Contact Ball Bearings 71830 CD/P4 dimension drawing
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Features

Performance Features of 71830 CD/P4 Bearing

71830 CD/P4 Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 11,700 lbf, it handles demanding conditions reliably.
The P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Operating at speeds up to 9,000 rpm, 71830 CD/P4 Bearing maintains performance without compromising stability.
Its open design allows for easy lubrication, extending service life in varied temperature ranges.

Application

Practical Applications of 71830 CD/P4 Bearing
71830 CD/P4 Bearing works well in high-precision machine tools, where its 15° contact angle helps manage combined radial and axial loads smoothly. The P4 tolerance ensures minimal vibration, which is key for fine machining tasks.

In robotics, 71830 CD/P4 Bearing supports articulated arms that require both accuracy and durability. Its phenolic cage reduces friction, making it suitable for repetitive movements in automated systems.

For medical imaging devices, 71830 CD/P4 Bearing’s chrome steel construction offers reliable performance under consistent use. The open design allows for easy lubrication, extending its lifespan in critical applications.

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