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Super Precision Angular Contact Ball Bearings 71815 CD/P4DGC

Super Precision Angular Contact Ball Bearings 71815 CD/P4DGC

The 71815 CD/P4DGC is a super precision angular contact ball bearing with a 75mm bore and 95mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for moderate preload, making it suitable for high-speed applications.

With a dynamic radial load capacity of 5152 lbf, it spins smoothly at speeds up to 22,000 RPM. The open design and phenolic cage ensure durability and easy maintenance, while the universal matching allows flexible arrangements like back-to-back or face-to-face.

This bearing is ideal for precision machinery, such as spindles or CNC equipment, where accuracy and speed are crucial. It operates efficiently in temperatures ranging from -30°C to 110°C.

Weighing just 0.28kg, it’s lightweight yet robust, and comes in a matched set of two for versatile use. Compliant with P4 tolerance standards, it ensures reliable performance in demanding conditions.

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Product Parameters

  • Part Number 71815 CD/P4DGC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 95 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 33
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5152 lbf
  • Static Radial Load 7650 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.28 kg
Super Precision Angular Contact Ball Bearings 71815 CD/P4DGC dimension drawing
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Features

Performance Features of 71815 CD/P4DGC Bearing

71815 CD/P4DGC Bearing is crafted with chrome steel rings and balls, ensuring durability and precision.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 5152 lbf, it excels in demanding applications.

How Does 71815 CD/P4DGC Bearing Achieve High-Speed Performance?

71815 CD/P4DGC Bearing supports speeds up to 22,000 rpm, thanks to its precision-engineered design.
The universal matching feature enables flexible arrangement options for various load conditions.
Its moderate preload (Class C) ensures smooth operation and reduces vibration.
The open seal type allows for easy lubrication, maintaining optimal performance.

Designed for Precision: 71815 CD/P4DGC Bearing

71815 CD/P4DGC Bearing meets P4 tolerance class standards, ensuring high accuracy.
Its chrome steel construction provides excellent resistance to wear and corrosion.
The 33-ball configuration enhances load distribution, improving reliability.
With a static radial load of 7650 lbf, it handles heavy-duty applications with ease.

Steel vs Ceramic Bearings: Strengths of 71815 CD/P4DGC Bearing

71815 CD/P4DGC Bearing uses chrome steel for rings and balls, offering a balance of strength and cost-efficiency.
Its phenolic cage reduces weight and friction, unlike traditional metal cages.
The bearing operates smoothly in temperatures from -30°C to 110°C.
Its universal matching capability makes it versatile for various mounting configurations.

Application

Key Fields for 71815 CD/P4DGC Bearing
71815 CD/P4DGC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4 tolerance class make it suitable for applications demanding tight control.

In automotive systems, 71815 CD/P4DGC Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads efficiently. Its universal matching feature allows flexible arrangement in various configurations.

For robotics, 71815 CD/P4DGC Bearing’s phenolic cage and chrome steel construction provide durability in high-speed robotic arms. The open design facilitates easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 71815 CD/P4DGC Bearing’s precision and smooth operation, essential for maintaining accuracy in diagnostic equipment. The temperature range ensures reliability in diverse clinical environments.

In consumer electronics, 71815 CD/P4DGC Bearing is found in high-performance printers and scanners, where its low noise and vibration enhance user experience. The metric sizing ensures compatibility with compact designs.

Q&A

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