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Super Precision Angular Contact Ball Bearings 71818 CDGA/P4

Super Precision Angular Contact Ball Bearings 71818 CDGA/P4

The 71818 CDGA/P4 is a super precision angular contact ball bearing with a 90mm bore and 115mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 4860 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 15,000 RPM, while the extra light preload enhances precision. The bearing works efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a universal matching set for versatile configurations like back-to-back or face-to-face. Ideal for high-precision applications such as machine tools or spindle drives.

Weighing just 0.28kg, it’s lightweight yet robust, meeting the P4 tolerance class for exceptional accuracy. Compliant with industry standards, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number 71818 CDGA/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 115 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 31
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • 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 4860 lbf
  • Static Radial Load 5962 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.28 kg
  • Price（$） 21.87
Super Precision Angular Contact Ball Bearings 71818 CDGA/P4 dimension drawing
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Features

Performance Features of 71818 CDGA/P4 Bearing

71818 CDGA/P4 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 4860 lbf, it suits high-demand applications.

71818 CDGA/P4 Bearing operates smoothly at speeds up to 15,000 rpm.
Its P4 tolerance class guarantees exceptional accuracy for precision tasks.

The open design simplifies lubrication, ensuring consistent performance over time.
Weighing just 0.28 kg, it offers a balance of strength and lightweight efficiency.

Application

Key Fields for 71818 CDGA/P4 Bearing
71818 CDGA/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, maintaining performance in demanding industrial settings.

What Makes 71818 CDGA/P4 Bearing a Preferred Choice?
In automotive applications, 71818 CDGA/P4 Bearing supports gearbox systems, offering smooth operation under radial and axial loads. Its phenolic cage reduces friction, making it ideal for high-speed scenarios.

Built for Heavy-Duty Use: 71818 CDGA/P4 Bearing
For robotics and automation, 71818 CDGA/P4 Bearing provides reliable performance in robotic arms and CNC machines. The P4 tolerance class ensures minimal vibration, crucial for precision tasks.

Medical vs Industrial: Where 71818 CDGA/P4 Bearing Excels
In medical imaging devices, 71818 CDGA/P4 Bearing’s chrome steel construction ensures durability and consistent performance. Its lightweight design also makes it suitable for portable equipment.

Practical Applications of 71818 CDGA/P4 Bearing
71818 CDGA/P4 Bearing is found in 3D printers, where its high-speed capability and precision are essential for detailed prints. The extra light preload further enhances its responsiveness in dynamic applications.

Q&A

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