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Super Precision Angular Contact Ball Bearings 71814 CD/P4DGA

Super Precision Angular Contact Ball Bearings 71814 CD/P4DGA

The 71814 CD/P4DGA is a super precision angular contact ball bearing with a 70mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 5062 lbf and operates smoothly at speeds up to 28,000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for precise applications. The phenolic cage ensures quiet performance and long service life.

Lubricated for easy maintenance, it works in temperatures from -30°C to 110°C. Weighing just 0.27kg, it’s lightweight yet robust for its size.

Perfect for high-precision machinery like spindles or CNC equipment where accuracy and speed are key. Compliant with P4 tolerance class for reliable performance.

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Product Parameters

  • Part Number 71814 CD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 31
  • 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 5062 lbf
  • Static Radial Load 7200 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.27 kg
  • Price（$） 47.79
Super Precision Angular Contact Ball Bearings 71814 CD/P4DGA dimension drawing
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Features

Performance Features of 71814 CD/P4DGA Bearing

71814 CD/P4DGA Bearing is crafted with chrome steel rings and balls, offering high precision and durability.

Its 15° contact angle ensures efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a maximum speed of 28,000 rpm, it excels in high-speed applications.

Why Choose 71814 CD/P4DGA Bearing for Precision Tasks?

71814 CD/P4DGA Bearing’s P4 tolerance class guarantees exceptional accuracy for demanding tasks.

The universal matching design allows flexible arrangements like back-to-back or face-to-face.

Its extra light preload ensures smooth operation with minimal resistance.

The dynamic radial load capacity of 5062 lbf makes it reliable for heavy-duty use.

Engineered for Precision: 71814 CD/P4DGA Bearing

71814 CD/P4DGA Bearing features a 70 mm bore with tight tolerances for precise fitment.

The open seal type allows easy lubrication, maintaining optimal performance.

With 31 balls of 5.556 mm diameter, it ensures even load distribution.

Its temperature range of -30°C to 110°C suits various operating conditions.

Steel vs Ceramic Bearings: Strengths of 71814 CD/P4DGA Bearing

71814 CD/P4DGA Bearing uses chrome steel for rings and balls, balancing cost and performance.

The phenolic cage offers quiet operation and reduced wear compared to metal cages.

Its static radial load capacity of 7200 lbf ensures stability under heavy loads.

The matched set of two bearings provides versatility in mounting configurations.

Application

Practical Applications of 71814 CD/P4DGA Bearing
In industrial settings, 71814 CD/P4DGA Bearing is commonly used in high-speed spindles and machine tools, where its precision angular contact design ensures accurate performance. The universal matching feature allows flexible arrangement options for various load requirements.
For automotive applications, 71814 CD/P4DGA Bearing fits well in gearboxes and electric motors, providing smooth operation under angular loads. Its phenolic cage offers durability while maintaining low friction during high-speed rotation.
In automation systems, 71814 CD/P4DGA Bearing supports robotic arms and CNC machinery, where consistent precision is key. The extra light preload helps reduce vibration, enhancing overall equipment efficiency.
Medical imaging devices benefit from 71814 CD/P4DGA Bearing’s reliable performance, thanks to its chrome steel construction and P4 tolerance class. The open design simplifies lubrication maintenance in critical healthcare equipment.
For consumer electronics, 71814 CD/P4DGA Bearing is suitable for high-end printers and precision instruments, where quiet operation and long service life are important. The metric sizing ensures compatibility with a wide range of compact devices.

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