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Super Precision Angular Contact Ball Bearings 71815 CD/P4DGA

Super Precision Angular Contact Ball Bearings 71815 CD/P4DGA

The 71815 CD/P4DGA is a super precision angular contact ball bearing with a 75mm bore and 95mm outer diameter, crafted from durable chrome steel. Its 15° contact angle and extra light preload ensure smooth operation under radial loads up to 5152 lbf.

This open-design bearing reaches speeds of 22,000 RPM and works in temperatures from -30°C to 110°C. The phenolic cage and universal matching feature allow flexible arrangements like back-to-back or face-to-face setups.

Ideal for high-precision applications like machine tool spindles or robotics, it comes as a matched set of two bearings. Weighing just 0.28kg, it meets P4 tolerance standards for exceptional accuracy.

Its interchangeable design with SKF bearings makes it a practical choice for replacements or upgrades. The lubricated build ensures long-lasting performance with minimal maintenance.

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Product Parameters

  • Part Number 71815 CD/P4DGA
  • 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 Extra light / Class A
  • 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/P4DGA dimension drawing
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Features

Performance Features of 71815 CD/P4DGA Bearing

71815 CD/P4DGA Bearing is crafted with a 15° contact angle, ideal for handling combined radial and axial loads.
Its universal matching design allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 5152 lbf, it performs reliably in high-speed applications.

71815 CD/P4DGA Bearing operates smoothly at speeds up to 22,000 rpm, thanks to its precision P4 tolerance class.
The extra light preload enhances performance, making it suitable for demanding precision tasks.

Its open design simplifies lubrication, ensuring consistent performance across a temperature range of -30°C to 110°C.
The matched set of two bearings provides balanced load distribution, extending service life.

Application

Industrial Uses of 71815 CD/P4DGA Bearing
The 71815 CD/P4DGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its universal matching feature allows for flexible arrangements, making it suitable for complex setups.

Where Is 71815 CD/P4DGA Bearing Used?
You’ll often find the 71815 CD/P4DGA Bearing in automotive transmissions, where its extra light preload reduces friction and improves efficiency. The phenolic cage adds durability, even under high-speed conditions.

Built for Heavy-Duty Use: 71815 CD/P4DGA Bearing
In robotics, the 71815 CD/P4DGA Bearing handles precise movements in robotic arms, thanks to its P4 tolerance class. The chrome steel construction ensures long-lasting performance in demanding environments.

Automotive vs Aerospace: Applications of 71815 CD/P4DGA Bearing
In automotive systems, the 71815 CD/P4DGA Bearing supports gearboxes, while in aerospace, it’s used in flight control mechanisms. Its high-speed capability and reliability make it versatile across industries.

Perfect Fit for Automation: 71815 CD/P4DGA Bearing
The 71815 CD/P4DGA Bearing works well in automated production lines, where its consistent performance reduces downtime. Its open design allows for easy lubrication, keeping operations smooth.

Q&A

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