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Super Precision Angular Contact Ball Bearings 71812 CDGB/P4

Super Precision Angular Contact Ball Bearings 71812 CDGB/P4

The 71812 CDGB/P4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3038 lbf and operates smoothly at speeds up to 33,000 RPM.

With a 15° contact angle and light preload, it offers precise performance for demanding applications. The phenolic cage ensures quiet operation and long service life.

This bearing is suitable for temperatures from -30°C to 110°C and comes pre-lubricated for easy use. Its P4 tolerance class guarantees high accuracy.

Ideal for precision machinery like spindles or CNC equipment, where low vibration and high-speed performance are key. Weighing just 0.1kg, it’s lightweight yet robust.

It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile setups. Interchangeable with SKF bearings, making replacements straightforward.

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Product Parameters

  • Part Number 71812 CDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 78 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 28
  • 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 3038 lbf
  • Static Radial Load 3218 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.1 kg
Super Precision Angular Contact Ball Bearings 71812 CDGB/P4 dimension drawing
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Features

Performance Features of 71812 CDGB/P4 Bearing

71812 CDGB/P4 Bearing features a 15° contact angle, optimised for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 33,000 rpm, it delivers reliable performance in demanding conditions.

71812 CDGB/P4 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4 tolerance class guarantees high precision, making it suitable for critical applications.

The open design allows for easy lubrication, ensuring consistent performance over time.
Light preload class B further enhances its stability and reduces vibration during operation.

Application

Practical Applications of 71812 CDGB/P4 Bearing
71812 CDGB/P4 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The light preload helps maintain stability during demanding operations.

In robotics, 71812 CDGB/P4 Bearing supports articulated arms, providing smooth movement and reducing friction. Its phenolic cage offers durability in repetitive motion scenarios.

For medical imaging devices, 71812 CDGB/P4 Bearing’s P4 tolerance class guarantees consistent performance in sensitive equipment. The chrome steel construction also resists wear in sterile environments.

Automotive applications include electric vehicle motors, where 71812 CDGB/P4 Bearing handles angular loads efficiently. Its metric sizing fits seamlessly into European and Asian designs.

In 3D printers, 71812 CDGB/P4 Bearing ensures precise linear motion, thanks to its high-speed capabilities. The open design allows for easy lubrication, extending service life.

Q&A

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