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Super Precision Angular Contact Ball Bearings 71828 CDGA/P4

Super Precision Angular Contact Ball Bearings 71828 CDGA/P4

The 71828 CDGA/P4 is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 10102 lbf and operates smoothly at speeds up to 11000 RPM.

With a 15° contact angle and open design, it offers excellent performance in high-speed applications. The phenolic cage ensures durability and reduces friction for smoother rotation.

This bearing is suitable for temperatures ranging from -30°C to 110°C and comes pre-lubricated for immediate use. Its P4 tolerance class guarantees precise and reliable operation.

Ideal for machine tools or precision equipment, it can be arranged back-to-back, face-to-face, or tandem. Weighing 0.8kg, it’s a robust yet lightweight choice for demanding applications.

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Product Parameters

  • Part Number 71828 CDGA/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 175 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 10.319 mm
  • Ball Qty 35
  • 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 10102 lbf
  • Static Radial Load 13950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 0.8 kg
Super Precision Angular Contact Ball Bearings 71828 CDGA/P4 dimension drawing
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Features

Performance Features of 71828 CDGA/P4 Bearing

71828 CDGA/P4 Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 15° contact angle ensures optimal load distribution, enhancing performance under dynamic radial loads up to 10102 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 11,000 rpm, it delivers reliable efficiency in demanding conditions.

71828 CDGA/P4 Bearing operates smoothly in temperatures ranging from -30°C to 110°C.
Its P4 tolerance class guarantees consistent precision, making it suitable for critical applications.

The open design allows for easy lubrication, ensuring long-lasting performance with minimal maintenance.
Its universal matching capability supports versatile configurations like back-to-back or face-to-face arrangements.

Application

Industrial Uses of 71828 CDGA/P4 Bearing
The 71828 CDGA/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. Its open seal type allows for efficient lubrication, making it suitable for continuous operation.

In automotive applications, 71828 CDGA/P4 Bearing supports components like wheel hubs and transmissions, where its extra light preload enhances performance. The phenolic cage material provides durability under varying temperatures and speeds.

For automation systems, 71828 CDGA/P4 Bearing is ideal for robotic arms and CNC machines, thanks to its P4 tolerance class. The chrome steel construction ensures long-lasting reliability in demanding environments.

Medical imaging devices benefit from 71828 CDGA/P4 Bearing’s smooth operation and low friction. Its compatibility with universal matching setups makes it versatile for different configurations.

In aerospace applications, 71828 CDGA/P4 Bearing’s high-speed capability and precision are crucial for flight control systems. The metric sizing ensures easy integration with European and Asian equipment standards.

Q&A

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