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Super Precision Angular Contact Ball Bearings 71906 CD/P4A

Super Precision Angular Contact Ball Bearings 71906 CD/P4A

The 71906 CD/P4A is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and handles radial loads up to 1609 lbf, spinning smoothly at speeds up to 50,000 RPM.

Its open design allows for easy lubrication, while the phenolic cage ensures quiet and efficient operation. The bearing is preload-ready, offering enhanced stability for precise applications.

With a P4 tolerance class (ABEC-7), it delivers high accuracy for demanding tasks. Ideal for use in machine tools, spindles, or other high-speed equipment where precision is key.

Weighing just 0.048kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various environments.

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Product Parameters

  • Part Number 71906 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • 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 1609 lbf
  • Static Radial Load 1024 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 50000 rpm
  • Weight 0.048 kg
  • Price（$） 64.278
Super Precision Angular Contact Ball Bearings 71906 CD/P4A dimension drawing
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Features

Why Choose 71906 CD/P4A Bearing for Precision Tasks?

71906 CD/P4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and smooth operation even at high speeds.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 50,000 rpm, it is suited for high-speed applications.

71906 CD/P4A Bearing’s P4 tolerance class guarantees consistent accuracy in demanding conditions.
Its open design allows for easy lubrication, ensuring long-lasting reliability.

Application

Key Fields for 71906 CD/P4A Bearing
71906 CD/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

Where Is 71906 CD/P4A Bearing Used?
You’ll often find 71906 CD/P4A Bearing in automotive applications like electric motor systems, where its 15° contact angle handles combined loads smoothly. Its phenolic cage reduces friction, making it ideal for high-speed operations.

Perfect Fit for Automation: 71906 CD/P4A Bearing
In robotic arms and automated assembly lines, 71906 CD/P4A Bearing provides reliable performance due to its P4 tolerance class. The chrome steel construction ensures durability even in continuous operation.

Medical vs Industrial: Where 71906 CD/P4A Bearing Excels
While 71906 CD/P4A Bearing suits industrial gearboxes, it also shines in medical imaging devices where precision is key. Its lightweight design and high-speed capability make it versatile across sectors.

How Does 71906 CD/P4A Bearing Support High-Speed Operations?
With a max speed of 50,000 rpm, 71906 CD/P4A Bearing is a go-to for turbochargers and dental drill handpieces. The balanced load distribution prevents overheating during prolonged use.

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