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Super Precision Angular Contact Ball Bearings 71908 CD/P4A

Super Precision Angular Contact Ball Bearings 71908 CD/P4A

The 71908 CD/P4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and handles radial loads up to 2790 lbf, spinning smoothly at speeds up to 34,000 RPM.

Its open design and phenolic cage ensure durability and easy maintenance, while the P4 tolerance class guarantees precise performance. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a versatile choice for replacements. Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is key.

Weighing just 0.11kg, it’s lightweight yet robust, and comes pre-lubricated for immediate use. Compliant with industry standards for reliable performance.

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Product Parameters

  • Part Number 71908 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • 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 2790 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.11 kg
  • Price（$） 288.441
Super Precision Angular Contact Ball Bearings 71908 CD/P4A dimension drawing
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Features

Why Choose 71908 CD/P4A Bearing for Precision Tasks?

71908 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 resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 34,000 rpm, it delivers reliable operation in demanding conditions.

71908 CD/P4A Bearing’s P4 tolerance class guarantees exceptional accuracy for precision machinery.
Its open design allows for easy lubrication, ensuring smooth and efficient performance over time.

Application

How Does 71908 CD/P4A Bearing Improve Performance?
71908 CD/P4A Bearing is widely used in high-speed machine tools, where its 15° contact angle ensures smooth rotation and precise positioning. The open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

In automotive applications, 71908 CD/P4A Bearing enhances performance in gearboxes and wheel hubs, thanks to its ability to handle both radial and axial loads. Its P4 tolerance class ensures reliability even under demanding driving conditions.

For robotics, 71908 CD/P4A Bearing provides the accuracy needed for robotic arms and automated systems. The chrome steel construction and high-speed capability make it a dependable choice for repetitive, precision movements.

In medical imaging devices, 71908 CD/P4A Bearing offers quiet and stable operation, essential for sensitive equipment. The lubricated design reduces maintenance needs, ensuring long-term performance in critical healthcare settings.

Consumer electronics like high-end printers benefit from 71908 CD/P4A Bearing’s precision and durability. Its compact size and high-speed tolerance make it ideal for devices requiring reliable, low-noise operation.

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