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Super Precision Angular Contact Ball Bearings 71820 CDGB/P4

Super Precision Angular Contact Ball Bearings 71820 CDGB/P4

The 71820 CDGB/P4 is a super precision angular contact ball bearing with a 100mm bore and 125mm outer diameter, crafted from high-quality chrome steel. Its compact 13mm width makes it suitable for space-conscious applications while handling radial loads up to 5062 lbf.

With a 15° contact angle and phenolic cage, it offers smooth operation at speeds up to 15,000 RPM. The open design allows for easy lubrication, ensuring consistent performance in temperatures from -30°C to 110°C.

This P4-class bearing is interchangeable with SKF models and works well in matched sets for back-to-back or face-to-face arrangements. Ideal for precision machinery like spindles or high-speed tools where accuracy is key.

Weighing just 0.31kg, it combines lightweight design with robust performance. Its universal matching capability provides flexibility in various mounting configurations.

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Product Parameters

  • Part Number 71820 CDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 34
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5062 lbf
  • Static Radial Load 6525 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.31 kg
Super Precision Angular Contact Ball Bearings 71820 CDGB/P4 dimension drawing
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Features

Performance Features of 71820 CDGB/P4 Bearing

71820 CDGB/P4 Bearing is crafted with chrome steel rings and balls, offering excellent resistance to angular contact loads.
Its dynamic radial load capacity of 5062 lbf ensures reliable operation in high-precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing longevity.
With a maximum speed of 15,000 rpm, it delivers both precision and efficiency.

71820 CDGB/P4 Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its light preload design ensures consistent performance in demanding conditions.

The open seal type allows for easy lubrication, reducing maintenance needs.
Its universal matching capability makes it versatile for various configurations.

Application

Industrial Uses of 71820 CDGB/P4 Bearing
71820 CDGB/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4 tolerance class make it ideal for applications demanding minimal runout.

In automotive systems, 71820 CDGB/P4 Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads efficiently. Its chrome steel construction provides durability under varying driving conditions.

For automation equipment, 71820 CDGB/P4 Bearing’s phenolic cage reduces friction, enhancing performance in robotic arms and CNC machines. The open design allows for easy lubrication, extending service life in continuous operations.

Medical imaging devices benefit from 71820 CDGB/P4 Bearing’s precision, ensuring smooth movement in scanners and X-ray machines. The temperature stability also makes it reliable in clinical environments.

Q&A

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